Last Aired S07E11 on Nov 09, 2007
0 episodes available of 74 aired
6.6 (8 Ratings)
11 Min

The Grim Adventures of Billy & Mandy is an American animated television series that aired on Cartoon Network. The show began in 2003 and is a spin-off of the show Grim & Evil. The Grim Adventures of Billy & Mandy follows two children, Mandy and Billy, who after winning a game to save Billy's ten-year-old pet hamster, gain the Grim Reaper as their best friend and slave forever. The show ran from June 13, 2003, to November 9, 2007, in all seven seasons with seventy-one episodes were made in its original run. In addition to the episodes three movies, two special episodes, and nineteen shorts were made, with 3 award wins for the series as a whole. Billy and Mandy has also been made into a video game as well as various licensed merchandise.

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All The Grim Adventures of Billy and Mandy (2001) Episodes

The Grim Adventures of Billy and Mandy Episodes

  1. 11 Watch The Grim Adventures of Billy and Mandy S07E11 online - El Dia De Los Muertos Estupidos / Heartburn
    Not Available Aired on Nov 09, 2007
  2. 10
    Not Available Aired on Sep 28, 2007
  3. 9
    Not Available Aired on Sep 21, 2007
  4. 8
    Not Available Aired on Jun 01, 2007
  5. 7
    Not Available Aired on Apr 06, 2007
  6. 6
    Not Available Aired on Mar 23, 2007
  7. 5
    Not Available Aired on Mar 16, 2007
  8. 4
    Not Available Aired on Mar 09, 2007
  9. 3
    Not Available Aired on Mar 02, 2006
  10. 2
    Not Available Aired on Oct 20, 2006
  11. 1
    Not Available Aired on Oct 06, 2006
  1. 13
    Not Available Aired on Aug 11, 2006
  2. 11
    Not Available Aired on Jul 14, 2006
  3. 10
    Not Available Aired on Jun 02, 2006
  4. 9
    Not Available Aired on May 12, 2006
  5. 8
    Not Available Aired on Mar 24, 2006
  6. 7
    Not Available Aired on Mar 17, 2006
  7. 6
    Not Available Aired on Mar 10, 2006
  8. 5
    Not Available Aired on Mar 03, 2006
  9. 4
    Not Available Aired on Jan 27, 2006
  10. 3
    Not Available Aired on Jan 20, 2006
  11. 2
    Not Available Aired on Jan 13, 2006
  12. 1
    Not Available Aired on Jan 06, 2006
  1. 13
    Not Available Aired on Jul 15, 2005
  2. 12
    Not Available Aired on Jul 08, 2005
  3. 11
    Not Available Aired on Jul 08, 2005
  4. 10
    Not Available Aired on Jul 01, 2005
  5. 9
    Not Available Aired on Jul 01, 2005
  6. 8
    Not Available Aired on Jun 24, 2005
  7. 7
    Not Available Aired on Jun 17, 2005
  8. 6
    Not Available Aired on Jun 10, 2005
  9. 5
    Not Available Aired on Jun 03, 2005
  10. 4
    Not Available Aired on Apr 15, 2005
  11. 3
    Not Available Aired on Apr 08, 2005
  12. 2
    Not Available Aired on Apr 01, 2005
  13. 1
    Not Available Aired on Feb 25, 2005
  1. 16
    Not Available Aired on Nov 26, 2004
  2. 15
    Not Available Aired on Nov 12, 2004
  3. 14
    Not Available Aired on Nov 05, 2004
  4. 13
    Not Available Aired on Oct 29, 2004
  5. 12
    Not Available Aired on Oct 22, 2004
  6. 11
    Not Available Aired on Oct 15, 2004
  7. 10
    Not Available Aired on Oct 08, 2004
  8. 9
    Not Available Aired on Oct 01, 2004
  9. 8
    Not Available Aired on Jul 30, 2004
  10. 6
    Not Available Aired on Jul 16, 2004
  11. 5
    Not Available Aired on Jul 09, 2004
  12. 4
    Not Available Aired on Jul 02, 2004
  13. 3
    Not Available Aired on Jun 25, 2004
  14. 2
    Not Available Aired on Jun 18, 2004
  15. 1
    Not Available Aired on Jun 11, 2004

Watch The Grim Adventures of Billy and Mandy season 7 episode 11 (S07E11)

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"El Dia de Los Muertos Estupidos" When Billy's dad drives Billy, Mandy and Grim to the hamburger restaurant, they somehow end up in Mexico. There, the people are celebrating Dia de los Muertos, but local kids say it may be the last celebration ever, because Del Uglio, a masked and ugly luchador, is set on stealing the "Golden Nose of Chipotle", a prehispanic relic on which the festivity is based. To get to the nose, Del Uglio has one half of the map, while the other half is held by his lost twin brother, who turns out to be Billy. Grim defeats Del Uglio, but it is Mandy who keeps the golden nose for herself, which makes her rich. "Heartburn" When Billy starts taking pictures with a camera found in Grim's trunk, Grim tells him that is an Underworld's True-heart Camera, which shows the real essence of a person's heart. When Mandy takes Irwin's picture, it is revealed that he is actually half-good and half-evil. Irwin explains that although he was born evil, his dad taught him about love and respect, and he had a change of heart. Upon knowing this, and against her own wishes, Mandy also experiences a painful change, turning good and kind-hearted. Mandy and Irwin finally share a romantic kiss in this episode, but it makes Mandy revert to her old dark and sinister self, which was Irwin's true intention, as he likes her just the way she is.

Watch The Grim Adventures of Billy and Mandy season 7 episode 10 (S07E10)

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"Nigel Planter and the Order of the Peanuts" When Billy, Mandy and Grim go to a joke shop, they find the owner is former boy wizard Nigel Planter, who reveals that his powers diminished and was kicked out of Toadblatt's School of Sorcery. Planter steals Grim's scythe and heads to the school to exact revenge on those who wronged him. The guys seek the help of Planter's sworn enemy, Lord Moldybutt, to find the school. Grim recovers his scythe, and Moldybutt turns out to be in fact only a real estate agent, who informs Planter that he is the heir to the "Peanuts by Planter" farming company. "The Incredible Shrinking Mandy" When Grim cannot take any more abuse from Mandy, Billy tries using Grim's scythe to shrink her to mouse size. Instead of shrinking, Mandy becomes a giant and destroys Billy's house. Although Mandy enjoys being a giant for a while, there are inconveniences, as she keeps growing as time passes, and she wants to return to her normal size. Billy is the only one who can cancel the curse he put on Mandy, and he refuses to do so. Mandy grows bigger than the planet, and she finds herself in the "Realm of the Infinite" with other creatures that grow at infinite pace. Mandy starts bossing them around to please her.

Watch The Grim Adventures of Billy and Mandy season 7 episode 9 (S07E09)

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"Dracula Must Die!" When vampire hunter Lionel Van Helsing prepares to kill Dracula, Billy, Mandy, and Grim arrive to stop him since Dracula is just senile and harmless. Van Helsing reveals the source of his hatred: in the past, he and Dracula were "best friends forever", until Dracula used his irresistible dance moves to marry Tanya, the woman of his dreams. Tanya arrives too, revealing that she is none other than Irwin's grandmother, making Irwin one-quarter-vampire on his father's side and half-mummy on his mother's side. Van Helsing leaves, but Dracula is unsatisfied with his newfound family of nerds. "Short Tall Tales" As Billy, Mandy, and Irwin need to write a school report on tall tales, Grim tells outrageous tall tales about Pecos Billy (based on Pecos Bill), Paula Bunyan (based on Paul Bunyan), and John Henry. In Grim's stories, Pecos Billy (Billy) tames a twister using his personal laser-shooting cow-like spacecraft, saving an Arizona trailer park; Paula Bunyan (Mandy) uses her blue ox companion, Babe, to stomp over a villain, creating the Grand Canyon in the process; John Henry (Irwin) digs through a tunnel so fast that he breaks the laws of physics and bursts into the "eighth dimension". After Grim tells them the stories, Mandy informs Billy and Irwin that he is trying to get them F's.

Watch The Grim Adventures of Billy and Mandy season 7 episode 8 (S07E08)

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"Billy and Mandy Moon the Moon" When Billy is sent to bed after playing with his Dr. Brainiac action figure, he wishes he had an adventure. He notices a strange light outside and wanders into a corn field to investigate; he encounters Sperg, and both of them got caught by a UFO's tractor beam. Inside the extraterrestrials decide to experiment on them. When they return home, it is revealed that Sperg has a bomb implanted in his head, and also that there is a shortage of dairy products; Billy explains that the aliens are stealing Earth's dairy products because they are werewolf-like creatures who need cheese, and they have already mined all the cheese in the Moon. Billy's crazy story is confirmed when too many UFOs appear. Billy says they must assemble a team of dairy superheroes, the Green Squeaker (Billy), Milk Mandy, the Cheese Reaper, and Diary Boy (Sperg), to combat the aliens, but everybody is opposed to the idea. Later, the four of them have been captured and are sent to the Moon to be destroyed, but they escape and try to stop the Moon ship from getting to Earth. The Moon aliens start their transformation into werewolves, and they bite Billy, who becomes a werewolf too. With their backs to the wall, Grim finally chooses to give Billy, Mandy and himself their dairy superpowers. Meanwhile, Sperg sacrifices himself by letting the bomb in his head explode in the control room, crashing the spaceship in the Moon and saving Earth. This was the fifth and final chapter of Cartoon Network Invaded which also concluded with an alternate ending on June 1.

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"The Greatest Love Story Ever Told Ever" When Irwin lacks the courage to ask Mandy to go with him to the Valentine's Day school dance, he tells Nergal Jr. to do it for him. Mandy mistakes Junior's invitation for his own, and surprisingly accepts to go with him, which naturally makes Irwin jealous. With the ill advice received from his father, to be possessive with Mandy, at the dance Junior becomes overprotective of her, that eventually he and Irwin start fighting, throwing punch at each other and ruining the ball. It is revealed that this was Mandy's true intention all along so that no one could enjoy Valentine's Day. "Detention X" When Billy accidentally food-poisons Miss Butterbean, Principal Goodvibes offers Grim the job of substitute teacher, which Grim accepts as now Billy and Mandy have to obey him. Grim sends misbehaving students to the "Detention Dimension", a place of eternal classroom punishment, until only Mandy remains in his class. Grim tricks Mandy into opening a portal and she is dragged into the dimension too. Mandy proves to be more terrifying than Miss Slither, the giant, rattlesnake-like creature in charge of the Detention Dimension, that Mandy escapes the place and takes revenge on Grim by sending him there too.

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"Waking Nightmare" When Mandy finds Billy playing with Grim's gigantic dog, Cerberus, she tells Grim to keep Billy under tight control because she needs a good night of sleep to be ready for the next day's test. With a little persuasion from his own dad, Billy tries to wake up Mandy at night, so she will fail the test and he can score higher than her for the first time. After Grim spends the night guarding Mandy's house from Billy, the latter succeeds in waking up Mandy. It is revealed that this Mandy is in fact Irwin, used as a decoy by the real Mandy, who slept in her dog's house. Mandy passes the test, and Grim is punished for not guarding her properly. "Beware of the Undertoad" When Billy, Mandy and Grim once again go to the beach, Grim warns Billy to avoid swimming too far, because the "undertoad", a frog-like creature, will try to drag him into the sea. Billy encounters the undertoad, and he barely makes it back to the beach. With the dangers of the sea averted, the guys go back home, but the undertoad is set on bringing Billy down, that he follows him to his house. The next day, the undertoad becomes a constant annoyance to Billy, even at school. Grim and Mandy capture the undertoad, and set sail to release him at sea, where they meat the giant Mama undertoad.

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"Company Halt" As General Skarr is once again annoyed by Billy, Hector Con Carne and Major Dr. Ghastly arrive in his house with the intention of luring him back to the recently relaunched Evil Con Carne world domination organization. Although initially refusing to rejoin, Skarr later accepts with the condition that Billy and the other neighbors be destroyed. After a few weeks of living together and preparations, Evil Con Carne's ultimate weapon is revealed to be an army of tanks that shoot giant rubber bands. Skarr's all-out attack over the neighborhood is foiled when Billy tricks Hector into shooting Skarr's garden and they get into a fight. "Anger Mismanagement" As General Skarr has trouble finding a job, the recruiter tells him to attend anger management classes if he wants to work again. Skarr finds out Mandy and Grim are attending too, Mandy for staring at the school monitor, and Grim for enjoying his job too much. The instructor of the class, Larry, turns out to be a peace-loving, short man riding a tricycle, who teaches the trio ways to calm down when angered, including counting to ten, and using harmless weapons to let go of their anger. Larry invites Billy to the class, and Mandy, Grim, and Skarr all manage to contain themselves; however, Larry himself suffers an episode of rage over a parking space and he is arrested.

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"Nergal's Pizza" When Nergal comes to tell the guys about his new pizza joint, Grim thinks he can do better by using his Granny's recipe. A pizza war ensues between Nergal's Pizza and Grim's Pizza, with each pizzeria launching TV ads and discrediting each other. Nergal Jr. uses his shape-shifting abilities to infiltrate Grim's pizza and replace Granny Grim's hot sauce with a "ghastly elixir". The result is pizzas becoming monsters and attacking the city, and the citizens developing parasites similar to Nergal. Nergal and his family leave the city just as Grim's sauce explodes. "Hey, Water You Doing?" After Billy, Mandy and Grim are disappointed with the Sassy Cat amusement park submarine attraction, Grim uses his powers to take them to the bottom of the ocean to have a real magical adventure. They are sentenced to death for trespassing into the Googen Kingdom by King Triceps, a wrestling merman. The king's daughter, Hariel, also a mermaid, stops the sacrifice and tries to marry Billy to inherit the kingdom. It is revealed that King Triceps is actually Hariel's sister, the sea witch Uvula, who also tries inherit the kingdom. A cat fight ensues between the two ladies, which ends when Billy agrees to marry both of them. The plot is revealed to be a story Billy is telling to Miss Butterbean, who initially asked him what happened to his report.

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"Billy Gets an 'A'" When Billy fails an important test, the result of which will go into his permanent record, he asks Grim to magically alter his grade from an "F" to an "A"; as Grim reluctantly changes the grade, Billy becomes a genius, but reality is thrown completely off balance. Mandy and Grim go back in time to stop the past Grim from helping Billy, but it does not work. They keep going back in time to different epochs, each time meeting another Grim, eventually trying to stop Billy's ancestors from conceiving him, but nothing works. After meeting Billy's distant dinosaur relative, the episode ends abruptly as Grim wonders what the end of this could be. "Yeti or Not, Here I Come" After watching the Unsolvable Mysteries TV show, Grim realizes he forgot a million years ago to reap the Abominable Snowman living in the Himalayas. Billy, Mandy and Grim go there to finish the job and also to obtain videographic proof of the snowman's existence. The Yeti, who likes to be called Abom, manages to escape Grim more than once before finally being trapped by the moving glacier. Grim watches the TV show again, but he may have forgotten to reap the Loch Ness monster too.

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"The Secret Snake Club vs. P.E." As Billy realizes the three geeks of the Secret Snake Club get doctor's notes to avoid Physical Education (P.E.) class, he wants to know their secret to avoid the class too. All the boys in the class join the club and all, except Billy, get doctor's notes from Billy's dad, who poses as a doctor. While Billy is the only one exercising in the class, the Snake Club summons a snake to destroy the gym. Since the invoked snake is tiny, Sperg uses Grim's scythe to make it a giant. Mandy and the other girls beat the boys and their snake because they did appreciate the P.E. class as an outlet for their aggression. "King Tooten Pooten" When Billy, Mandy and Grim attend an Ancient Egypt exhibit at the museum, they meet with Irwin who explains that, as his mother is a mummy, they are visiting Irwin's grandfather, the great Pharaoh King Popen Locken. Later that night, Irwin's grandfather visits Irwin in his room and offers him the Pharaoh's crown and the possibility of building his own pyramid to attract women; Irwin accepts, calling himself King Tooten Pooten, and soon they turn the citizens into slaves to build the pyramid. Against his mother's wishes, Irwin decides to finish the pyramid; however, there is something he did not anticipate, as he, the Pharaoh, needs to remain entombed inside it.

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"Everything Breaks" As Billy behaves more reckless than ever and cannot stop breaking everything in sight, Mandy thinks he should go some place where he can release all his urge to destroy until he gets tired of it. Mandy, Grim, and Irwin go to Level 9, home of the fearsome warrior Lord Pain, to convince him to take Billy. Billy receives psychological treatment and it is revealed that his desire to destroy stems from lack of attention when he was younger. Lord Pain abducts him, and together they start destroying everything in Level 9, which seems to be is uninhabited. Billy is still not satisfied, so he and Lord Pain return to Endsville and carry on breaking everything. "The Show that Dare Not Speak Its Name" When Grim leaves the house to meet someone he met on the internet, Billy looks inside Grim's trunk for something to entertain himself. Billy finds a magical talking Rubik's Cube, which releases the demon Pinface, who has bowling pins in his head. Pinface proceeds to call his minions to conquer Earth, but the minions are more interested in throwing a house party. It is revealed that Grim and Pinface already know each other, and Grim even broke up with Pinface's sister. Billy's father ends up cheating and solves the magical cube by rearranging the stickers, trapping Pinface and his minions inside it again.

Watch The Grim Adventures of Billy and Mandy season 6 episode 13 (S06E13)

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"The Crass Unicorn" As Billy notices Mandy and Grim's usual negative attitude, he wishes they were in a magical land of happiness, so Grim transports them to an enchanted forest. Billy enjoys the relaxed surroundings until he meets a cantankerous and sour unicorn named Mary-Frances. Billy tries to change Mary-Frances attitude, but she is reluctant due to an earlier trauma of not being able to swim and follow the other unicorns into the sea. After Billy teaches Mary-Frances to swim, she feels happy and finally can join the other unicorns, but they turn out to be bullies, the real reason she never joined them in the first place. Billy stays with the unicorns and Mary-Frances goes back with Mandy and Grim to watch TV. "Billy & Mandy Begins" As Billy, Mandy, Grim, and Irwin hang from a rope about to be eaten by a giant sea serpent, Irwin wonders how they came into that trouble. Billy and Grim each tell separate stories on how they originally became best friends forever and ever. Billy's fantastic story is about him and Mandy being space patrol officers who collect the Grim Reaper's bones, cloak, and skull to summon him; Grim tells a story on how the evil Mandy and his pet servant Billy managed to capture him inside a containment unit (parodying the Ghostbusters' ghost traps). Mandy quickly tells the real story, and footage from the first episode is seen, before the four are swallowed whole by the serpent.

Watch The Grim Adventures of Billy and Mandy season 6 episode 11 (S06E11)

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"Hurter Monkey" When Mandy says even a trained monkey is more competent to do cleaning chores than Grim, and would complain less, Grim makes Dickie Galoot, a monkey appearing in a Japanese-styled animation, come to life to prove her wrong. As Dickie turns out to be extremely good at cleaning Mandy's house, Grim decides to leave the kids for good. Due to his friendship contract, Grim is unable to break free, and he is forced to battle Dickie to recover his place as the "cleaning monkey" of the group. Grim successfully defeats Dickie at cleaning Billy's house, but this all turns out to be an ingenious plan devised by Mandy to win a bet against Billy. "Goodbling and the Hip-Hop-Opotamus" At a school fair, Grim's scythe accidentally transforms the dull Principal Goodvibes and his hippopotamus into gangster rappers, Goodvibes now calling himself Principal Goodbling. In the following, Goodbling changes the entire school to be more hip-hop-oriented, to the annoyance of Mandy. Although initially Grim likes the new style of the school principal, he later thinks Goodbling is just a poseur and goes to talk to him, but Goodbling attacks with yo-mama jokes. Irwin's grandmother, Tanya, confronts Goodbling and proves to be better than he is at yo-mama jokes that Goodbling reverts to being the boring Goodvibes.

Watch The Grim Adventures of Billy and Mandy season 6 episode 10 (S06E10)

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"Dad Day Afternoon" As Billy and Mandy celebrate Father's Day, Grim becomes very depressed that he sits inside Billy's closet only listening to country rock music. Grim explains that, since his own father cared more about country rock than his own son, he has been living a lie; telling his father he is a famous country rock singer, and not the actual Grim Reaper. Mandy arranges for Grim's father to come visit and she tells him the truth, but still the old man does not believe her. Grim decides that the only way for his dad to listen to him is while performing country music. At an outdoor concert, Billy, Mandy, and Grim start performing a country rock song, in which eventually Grim reveals his supernatural abilities as the mighty Grim Reaper to his father. Grim's dad accepts his son is the Reaper, but he still does not forgive him for lying to him. "Scary Poppins" As Mandy returns from Billy's house, it is evident that Mandy's parents are extremely afraid of their daughter and her iron fist rule over them. Unable to live in fear any longer, Mandy's parents call a nanny from a reality TV show who specializes in disciplining spoiled children. Mandy and the nanny clash while the nanny tries to teach Mandy's parents to show authority to control their daughter. Grim helps the nanny in her feud against Mandy by using his scythe to make Mandy's parents more controlling and resolute. Mandy quickly restores her tyrannic control over her parents, and shows the nanny she actually controls everything and everyone.

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"Dumb-Dumbs & Dragons" As Billy sees Hoss Delgado's manliness is action again, Billy wishes to grow up to be a hero like him. Grim tells Billy that in older times an evident way to become a hero was to slay a dragon. They travel to the Middle Ages so Billy can train under the supervision of the best dragon slayer, Sir Boss Del Guapo, who resembles the present time Delgado. Billy becomes friends with the dragon he was supposed to kill and spares his life, becoming the dragon's hero. Del Guapo finds himself transported to the present, where he has a brief encounter with Delgado. "Fear and Loathing in Endsville" When Grim decides to visit again his childhood idol, the aged king of the vampires, Dracula, the latter suggest they drive to an early bird buffet, only to get lost in the scorching desert. Grim and Dracula need to find their way back home while dealing with situations like meeting a creepy truck driver and being attacked by a giant scorpion. After what they have gone through, and thinking that Dracula is just a selfish, old man, Grim decides to go a separate way. After finding that Dracula in fact helped him by sucking out the scorpion's venom, Grim rushes to help Dracula, and they finally make it to the diner. However, it appears that Dracula left without paying the check.

Watch The Grim Adventures of Billy and Mandy season 6 episode 8 (S06E08)

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"Billy and Mandy vs. the Martians" When Billy destroys Grim's favorite childhood toy, Fancy Jake, Grim feels devastated and wishes he had never lost the limbo game that made him become Billy and Mandy's best friend forever and ever. A lawyer appears saying that although the game is legally binding while all parties remain on Earth, it is not if Grim leaves Earth. In consequence, Grim follows the lawyer's advice, opens a mystical portal, and leaves. With Grim traveling aboard his spaceship, the lawyer takes off his disguise and introduces himself as Morg, the Martian Grim Reaper, who is also Emperor of Mars and commands an army of martian, brain-eating zombies. So Grim can get the respect he deserves, Morg convinces Grim to conquer Earth, which they do easily while enslaving and turning all of the people into zombies. Next for the reapers is to use the ultimate weapon in mind control, the Braincaster, which, if powered by a dumb and stupid mind, will allow them to control all of the zombies forever. Meanwhile, Billy, Mandy and Irwin, who followed Grim to Mars hidden in his bottomless trunk, look for a way to save Earth. When the kids are captured, and Billy is strapped to the Braincaster, all hope seems lost. Billy talks to Grim about friendship, and Grim has a change of heart and decides to help Mandy. Billy's stupid, idiotic brain overpowers the Braincaster, returning all of the people to normal and foiling Morg's plan, who disappears into outer space.

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"A Grim Day" When Billy goes to visit his maternal grandmother and Mandy decides to have the day for herself, Grim finds himself free of the kids to do whatever he wants to do. Since Grim quickly gets bored he goes to visit General Skarr, and lets him take his magical scythe, which Skarr uses to build an army of giant lawn gnomes. Since Grim is so used to having two kids with him when they go on an adventure, he enlists Mindy and Pud'n to help him combat Skarr and retrieve his scythe. Mindy and Pud'n prove to be worthy substitutes but they are scared away by Mandy when she notices the unusual trio "Pandora's Lunch Box" There is a new student in the school, named Dora (parodying Dora the Explorer), who insists on getting people to open her lunch box. Mandy befriends Dora once she gets into a fight with the snobby Mindy. While noting something strange with Dora, Grim does not recognize her as Pandora until it's too late and she tricks Mandy into opening Pandora's box, releasing all kinds of plagues upon humanity. Mandy restores everything to normal, and captures Pandora inside the box, saying that nobody tricks her, and that when the time is right it will be Mandy herself who will unleash humanity's doom and destruction.

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"Herbicidal Maniac" When General Skarr tries to get rid of a weed in his otherwise perfect garden, he asks Grim to use his scythe to do the job. Billy drives a lawnmower and ruins the garden; also, the scythe's magic accidentally shoots Skarr, transforming him into a plant-like creature. Using his new plant powers, Skarr rebuilds his garden, and tries to exact revenge on Billy by throwing a party, and attacking him. Skarr gets mulched by a helicopter rotor, but he is reborn as a small weed. "Chaos Theory" When Mandy and Grim go to the warehouse store, Mandy notices that everything seems to be in order, lacking any presence of chaos. Hoss Delgado, spectral exterminator, arrives saying that everything has been that way since he started dating Eris, the goddess of chaos. Mandy assures Delgado he must break up with Eris to restore chaos, but fearing her temper, he is reluctant to do so. After failed attempts by Grim, Mandy, Billy, and Irwin to break their relationship, Delgado finally tells Eris the truth about he wanting to break up, and she complies by turning into a giant insect and devouring him.

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"The Wrongest Yard" When Billy and Irwin are yet again bullied by Sperg, they decide to play for the school's football team so they are not bullied anymore. During practice, Irwin shows a powerful arm and he becomes the starting quarterback, while Billy is relegated to being a punching bag. During their first game, Mandy directs the team into scoring their first ever touchdown, so Coach Kilgore gives her the job of captain cheerleader, taking it away from Mindy. With Irwin's arm and Mandy's cheerleading the team reaches the finals. Mindy tries different ways to get back at Mandy and recover her job, but she ends up affecting her own team, which eventually loses the game. "Druid, Where's My Car?" When Billy gets his kite stuck in a tree, he starts throwing objects at it to knock it down, including Mandy and a group of three boy scouts, but all objects get stuck too. Frustrated, Billy and Grim call a druid for help, who in turn trains them to become druids, so the three of them can perform a ritual. Meanwhile, inside the tree, Mandy battles a group of squirrels, and leads the scouts back to the ground. Since the druidic chants did not work against the tree, the druid goes ahead and uses a chainsaw to bring the tree down, but this gets him arrested.

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"Modern Primitives" When Billy digs his front yard he finds a frozen caveman, who is actually Fred Flintstone (from The Flintstones), but whom Billy names Jake Steele. Billy tries to acclimate Fred to the modern life but the job is not easy. When Fred is taken to school, he predictably goes out of control, kidnapping Miss Butterbean and running away in Principal Goodvibes' car. The ensuing chase results in Fred crashing into an ice cream truck, becoming frozen again. Instead of reaping him, Billy decides to bury Fred in the yard again. A future is shown where both Billy and Fred are defrosted by brain-eating creatures. "Giant Billy and Mandy All Out Attack" When Billy and Irwin want to watch classic giant monsters movies, Grim decides to take them to Japan to see real monsters. They meet the turtle-like Cragorah (a parody of Gamera) who engages in a fierce battle with the three-headed Kittirah (a cat version of Ghidorah). To help Cragorah, Grim transforms Billy into a giant monster too (a parody of Ultraman). Mandy soon arrives with the intent of punishing them all for organizing this expedition without her permission. Controlling Mecha-Gorillasaur (a giant gorilla robot) she defeats Kittirah and beats Billy.

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"The Love that Dare Not Speak Its Name" When Billy decides he wants to grow up to be like Grim, he says nothing will stand in the way of their friendship. They meet a girl named Blandy, who looks very much like Billy, and Billy falls completely head-over-heels in love with her. When Blandy shows romantic interest in Grim, Billy is struck with mad jealousy and wants Grim out of the picture. Mandy consults Grim's encyclopaedia of monsters and realizes Blandy is actually a creature from another dimension. Despite Blandy showing her true form and leaving, Billy remains madly romantically infatuated with her; but only up until the following episode. "Major Cheese" Billy, Mandy and Grim visit Mighty Moe, an old man who has discovered the secret to add extra years to his lifespan: a good diet and exercise. Mighty Moe decides to publish his secret in a book, and Grim needs to stop him by offering junk food.

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"Keeper Of The Reaper" When Billy's dad gets a promotion in his job, he tells his family they are going to move to another town, starting a dispute between Billy and Mandy over who gets custody of Grim. Grim suggests they settle this in court, and hours later Billy, Mandy and Grim find themselves in the Underworld court, presided by Judge Roy Spleen, and which has Fred Fredburger, an incorrigible dumb character, as a juror. During the trial, Billy calls for Irwin to testify in his favor; Mandy tries to discredit Billy by presenting his failed history taking care of pets, including Jeff the Spider, Little Porkchop, and Wiggy Jiggy Jed; Billy responds by calling Mandy's parents, Mindy, Eris, and others, such as Scooby-Doo, and Major Dr. Ghastly (from Evil Con Carne). During the entire trial, Fred Fredburger interrupts constantly, using the Judge's gavel, asking for permission to go to the bathroom, eating nachos, and just repeating his name and his characteristic "Yes". When the jury has to vote over who becomes the "Keeper of the Reaper", the result is a tie, and Fred Fredburger is the tiebreaker. Since Fred only says "Yes", the Judge decides Grim should not be separated from either Billy or Mandy, so he places Billy's family under house arrest and they are not allowed to move.

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"Billy Ocean" When Billy, Mandy and Grim go to the beach, Billy is swallowed by a whale known as Blubbery Joe, which also houses in her stomach Mister Geppetto and Pinocchio. Tired of not having a real son, Geppetto convinces Billy to be his "real son", while Pinocchio becomes increasingly jealous and is set on eating Billy's flesh to become a real boy and gain Geppetto's fatherly love and affection. Mandy and Grim search for Billy on board Captain Deadwood's ship, who is made of wood and who has been hunting Blubbery Joe for years. Billy, Geppetto and Pinocchio are expelled from Blubbery Joe's stomach, and as Billy needs to go home, Blubbery Joe accepts to be Geppetto's son. "Hill Billy" When Mandy and Grim tell Billy to quit watching TV and follow his life dreams, Billy gets into a chicken costume and decides to become a world famous "chicken juggler". When Billy's mom tries to convince him to be a chiropractor instead, Billy runs away to Uncle Chokey's farm to pursue his dream. Billy and Uncle Chokey juggle chickens at the rhythm of an old phonograph, whose music turns the farm into a 1920s black and white rubber hose cartoon. Due to a shortage of eggs in the city, Mandy and Grim go to the farm to investigate. They destroy the phonograph and things return to normal.

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"Billy And Mandy Save Christmas" The day before Christmas, Billy, Mandy and Grim go to the shopping mall, where Mandy complains that Santa Claus is just an invention from corporations. Grim assures Mandy that Santa is real, and they even went to college together. They decide to travel to the North Pole and meet Santa, but when they arrive Mrs. Claus (Carol Kane) tells them that Santa Claus (Gilbert Gottfried) has been transformed into a vicious vampire. To save Christmas, Mandy and Grim go to stake the Head Vampire, Baron Von Ghoulish (Malcolm McDowell), while Billy remains with Mrs. Claus to look after her. It turns out that the cleaning-obsessed Von Ghoulish is not the vampire they are looking for, so they set out to find the Head Head Vampire. Mandy, Grim and Von Ghoulish go back to Santa's workshop where it is revealed that Mrs. Claus is in fact the Head Head Vampire, and it was she who transformed Santa, which she did so she could take a break from all her work. Billy finds holographic instructions to bake cookies, which he gives to the vampire Santa Claus, restoring him to normal. Finally, Mrs. Claus and Mandy prepare for a final confrontation, but Santa arrives on time to reconcile with his wife. Santa acknowledges he married his wife even though she was a vampire long before they met, and that she has turned him into a vampire before, but he always manages to recover.

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"Prank Call Of Cthulu" When Billy and Irwin start making prank calls, everybody knows that Billy is behind the calls because every telephone has a caller ID. While Billy searches in Grim's trunk in the basement for something to defeat the caller ID, he finds a skull-shaped phone with no caller ID. Grim warns him to not use the phone, because it is used to call the ancient demon Cthulhu, whose sole appearance makes people go mad, and if awakened will cause the destruction of the world. Despite Grim's warning, Billy and Irwin use the phone anyway, and they are sucked into it by tentacles. After the commotion, Mandy and Grim go search for Billy, and they find themselves in a strange place with other tentacled creatures. In this place, Billy and Irwin have been hired as official prank callers and steadily turn into tentacled monsters. Their pranks actually make the people answering the phone become monsters, and Mandy decides to confront Cthulhu himself to put an end to this. Mandy tricks Cthulhu into answering her cell phone, and when he is sucked into it, Mandy disconnects the call, trapping Cthulhu in the telephone lines forever. Just as Billy, Mandy, and Irwin are about to leave, Grim destroys the phone at the basement, and they are unable to return.

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"Ecto Cooler" As Billy desires to be "cool" like Sperg, he has an ectoplasmic manifestation coming out of his mouth. The ectoplasm grows full size and turns out to be the ghost of nineteenth-century British poet Lord Byron, who tries to teach Billy to be cool, using elaborate poetry instead of bare muscles. Billy uses a poem to insult Sperg's mother, and Sperg challenges Billy to a duel. Billy and Lord Byron fight Sperg and his gang, but are badly beaten. Byron tells Billy he has been trained in the arts of coolness, and disappears. "The Schlubs" As Grim watches the entire season of "My Troubled Pony" (parodying My Little Pony), he learns from Mandy that the show was cancelled and does not have an ending. Grim decides to reap the "Schlubs" (a parody of The Smurfs), 100 creatures that live in Billy's yard, to melt them into gold so he can finance the creation of the series finale. Grim must get past Billy and the aggressive Schlubs themselves, including the single, large female (a parody of Smurfette). After Grim thinks he got the creatures with his scythe, Mandy appears to have used all the gold herself to become rich.

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"Reap Walking" When the mall's surveillance cameras capture Grim's silhouette attacking endangered owls, a naturalist named Corey Nebraska blames Grim for the attacks, while Mandy suspects Grim is sleepwalking again. Billy, Mandy and Nebraska follow Grim while he sleepwalks, but they realize it is actually Billy's mom, the one attacking the owls. When discovered, Gladys reveals her hatred toward the owls as she recounts the story on how an owl ate her pet rat, Sniffles, years ago. Billy's dad reveals that he was in fact the one who ate Sniffles merely to survive until lunch time. "The Loser from the Earth's Core" When Nergal goes to visit Billy's family (his in-laws) for the weekend, he ends up staying with them over a year. When Billy finally asks his uncle to leave, Nergal says he cannot return home because he is a complete failure, having lost at a board game 599 times in a row against his own family, and experiencing constant disappointment elsewhere. Billy and Grim tell him to not worry about being a failure, but to embrace it. After training with Billy and Grim, Nergal returns home and he finally wins at the board game, but he also makes a crack in the ceiling and his home starts filling with lava.

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"Mommy Fiercest" When Billy's mom, discovers crow's feet on her face, she panics and does not want to leave the bathroom. As Grim needs to use the bathroom, he uses his scythe to make Gladys a young girl again. Gladys goes to see Billy, but neither he nor Mandy nor Irwin recognize her, and instead, Billy calls her "Corn", because of the white bread she gave him. When Corn tells Billy to do his homework, Mandy tells him to go to the movie theater instead. Corn and Mandy struggle over who gets to control Billy. Billy's father plays with Grim's scythe and also becomes a child; he then goes to the movies and gets together with Gladys (Corn) again. "The Taking Tree" When Billy, Mandy and Grim notice things have been disappearing in the house, they set out to investigate using a supernatural detector. They find the culprit is a talking "taking tree" in Billy's yard, who has been stealing objects since Billy's dad was a child. To make the tree happy, Mandy and Grim set out to trade the stolen belongings for a highly-valued Mickey Munchle baseball card, which is worth eleventy million dollars. Mandy and Grim return from the baseball shop with the real Mickey Munchle. The tree returns all of the stolen things, but keeps the player.

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"One Crazy Summoner" When Billy's parents are attacked by an anaconda, Billy suggest visiting boy wizard Nigel Planter, because he can talk to snakes. Planter in fact does not speak to snakes, but to snacks, and instead he asks for Billy, Mandy and Grim's help to win the affections of Huffefnie Pfefferpfeffer, a beautiful witch in the School of Sorcery (and having a striking resemblance to Gladys). Planter tries using a romantic love potion and enchanted chocolates, but they do not work. The guys end up completely forgetting about Billy's parents. "Guess What's Coming to Dinner?" When Billy's parents leave for their second honeymoon, Billy is left alone at the worst possible moment, since he has invited Principal Goodvibes over to dinner so he can recommend him into Rollington Academy for the Gifted. Billy's dad suggest Billy to use Eris, the goddess of chaos, and Hoss Delgado, spectral exterminator, as his substitute parents during the dinner. The dinner is a disaster with Delgado terrorizing Goodvibes, and Eris unleashing giant alien zombie lobsters. Goodvibes forcefully recommends Billy into Rollington Academy, which, as it turns out, is actually a military school.

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"Billy Idiot" When Billy is accepted to Mrs. Pollywinkle's dancing academy, his father tries to persuade him to forget about dancing because of his own bad experience as a child during a recital. At the academy it is revealed that Mrs. Pollywinkle is actually a powerful, dark witch set on stealing Billy's soul. Billy's dad unexpectedly comes to rescue, challenging Mrs. Pollywinkle to a dance competition, which he wins using a powerful dance move. Billy's dad tells Billy to follow his dream of becoming a dancer if he so wishes, but Billy changes his mind saying that dancing is for girls. Note: This episode was inspired by the movie Billy Elliot. "Home of the Ancients" When Grim misuses his powers to play bowling with asteroids, he is taken to the Underworld court and sentenced to 50 hours of community service. At a retirement home, Billy, Mandy, and Grim go to the supernatural wing, which is the Home of the Ancients, a place for retired, geriatric monsters. Grim meets his childhood idols, the Bride of Frankenstein, Dracula, and the Wolf Man. Despite Billy's comments that the old monsters are finished, Grim sets out to prove that they are still scary. Grim tries to scare a bunch of kids in the woods, but the old monsters ruin his attempt and he walks out on them.

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"The Firebird Sweet" When Billy buys a new cereal, a phoenix emerges from the box and attaches to his head, annoying everybody. Since the phoenix cannot be removed because it revives every time it is destroyed, Billy, Mandy and Grim seek help by going to the factory where the cereal is produced, which is run by Eris, the goddess of chaos. Mandy tricks the phoenix into leaving Billy and attacking Eris instead. It is revealed that all the events were really an episode-within-an-episode. "The Bubble with Billy" When Billy desperately wants chewing gum at school, Grim gives him a bottomless gumball machine, but warns him not to swallow the gum. Billy ignores Grim's warning and starts swallowing the gum, causing him to constantly burp bubbles that fill the entire city. Mandy and Grim try to get Billy to cough the remaining gum that he has in his stomach, but instead Billy swallows the entire gumball machine. Billy coughs huge amounts of gum all over the city and ends up with a supernatural rash from another interdimensional world.

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"Runaway Pants" At school it is time for the "Presidents Fitness Test", but Billy is absolutely unfit for exercise. On the other hand, Nergal Junior uses his shape-shifting powers to become fit at will and excel in every test. Billy asks Junior to transform into a pair of pants that he can wear, so he can run fast and win the 50-meter race. Since Junior has never attempted to transform into inanimate objects he cannot stop running and cannot revert to his human form. Billy keeps running forever while he becomes a national sensation known as the "Fitness Lad". It is revealed that the story was just all a fabrication created by the narrator, who parodies The Twilight Zone. "Scythe 2.0" After Grim's scythe fails to open a portal, he decides to sharpen it, but the blade breaks. Billy, Mandy and Grim go to the Underworld to meet F (a parody of James Bond's "Q"), who is in charge of the Underworld secret gadgets. F unveils Scythe 2.0, which is a new-and-improved sentient, autonomous, thinking and feeling computerized scythe, that Grim uses while his classic scythe is being repaired. When Mandy tells Grim to do his usual humiliating chores, Grim delegates the work to Scythe 2.0, which rebels and decides to reap by itself, starting with Billy and Mandy. Grim saves the kids, takes Scythe 2.0 back to the Underworld, and returns with his old scythe.

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"Zip Your Fly" Billy and Mandy find a supernatural zipper from Grim's robe, and while Billy uses it to create mischief, Mandy gets herself in a sticky situation. "Puddle Jumping" When Billy jumps into a supernatural puddle (a Cosmic Sinkhole, according to Grim), it takes him to the home of Granny Applecheeks, who wants to bake him into a pie. It is up to Mandy and Grim to save him if the puddle can take them to the right place.

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"Duck!" After Grim has a nice dream, a nightmare escapes the back of his head in the shape of a supernatural, invisible duck that makes farting noises. The duck follows Grim everywhere, causing him embarrassment with the non-existent farts, and to end up in jail. The duck repeats the strategy, following other citizens, including Irwin and Billy's dad, resulting in all of them going to jail too. The duck tries to annoy Mandy, but she remains imperturbable by its presence. The duck disappears and Principal Goodvibes is really angry, and he gives Mandy 75 days of detention. "Aren't You Chupacabra to See Me?" After being utterly bored of watching the same movie 60 times in a row, Grim takes Billy and Mandy to "Underworld Video" where they rent "The Legend of Chupacabra". While Billy watches the tape, a small, pink chupacabra emerges from his television and Billy decides to keep it as a pet, naming it Daisy. Mandy and Grim convince Billy that he is inept in taking good care of pets, and they return the blood-sucking chupacabra to the videotape.

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"Jeffy's Web" When Billy gets under his house's foundation, he encounters again his "son", Jeff the Spider, who has just laid eggs. Jeff tries to make things right with Billy so he can take care of the baby spiders, as he is going to die after the eggs hatch. Naturally terrified of seeing Jeff, Billy runs away and a wild car chase ensues. The eggs hatch, and Grim decides to refill Jeff's hourglass that represents his lifetime so he does not die and can continue to scare Billy. "Irwin Gets a Clue" After seeing Billy, Mandy and Grim battling a strange creature, Irwin again feels rejected by Mandy. Hoss Delgado, spectral exterminator, appears to help Mandy destroy the monster. Delgado decides to have Irwin as his sidekick and train him to be "cool" to win Mandy's love. Irwin gets an attire like Delgado's, and attaches an egg beater to his right hand. Delgado releases a monster so Irwin can fight it and impress Mandy, but he is humiliated anyway. Mandy tells Irwin he is just a nerd, and Billy tries to assure him that being a nerd is not such a bad thing after all.

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"Dream Mutt" When Billy gets the opportunity to adopt one of four dogs, he says he wants them all. Grim uses his scythe to magically combine the dogs and create Billy's dream dog, who calls himself Wiggy Jiggy Jed. Although initially Billy and Jed are best friends, their relationship falls apart when Billy tells Jed to sleep outside. Jed uses the powers of Grim's trunk to build a giant machine to capture the beds of all people. Billy throws Jed a dish of primordial ooze and he dissolves. "Scythe for Sale" To raise money to buy Sea-Critters (similar to Sea-Monkeys), Billy has a garage sale where he sells Grim's scythe to Irwin for less than two cents. With the great mystical strength and power of the scythe, Irwin hypnotizes Mandy and takes her on a romantic date. Billy and Grim try to recover the scythe, and when they do Mandy gets out of the trance. Irwin is punished by being transformed into a tiny sea-critter and placed in Billy's fish bowl.

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"Wishbones" After Grim's robe comes out of the washing machine, Billy and Mandy find Thromnambular, a talking skull with ruby eyes and a number nine imprinted on his forehead. Grim tells them that the skull is a magical artifact imprisoned on Earth that must grant his nine wishes to be free. When Mandy asks Grim why he has not used any of the wishes, Grim tells her that the skull will corrupt the wishes and end up affecting the wisher. Despite this, Billy runs away with the skull and makes the first wish: (1) he wishes to be in an adventure (which parodies Indiana Jones and Jonny Quest), this backfires because Irwin is eaten, which Billy complains about getting him in trouble. After this, Thromnambular is found by different people who each make a wish: (2) Billy's dad wishes he could relive his high school years, but this backfires because he is not popular; (3) General Skarr wishes to rule on high, but this backfires because he asphyxiates in space; (4) Irwin (despite being eaten already in an earlier episode) wishes he was in a hip-hop video, but backfires because he gets punched by Mandy; (5) Pud'n wishes he had a bunny, but he is attacked by it, because "Sometimes Love Hurts"; (6) Nergal Junior wastes his wish by wishing to think up a wish that wouldn't backfire; (7) Sperg wishes for a way to get into the girls restroom to bully a girl into giving him a large sack of money, this backfires because he is turned into girl and insulted by the other girls for being ugly; (8) Mindy wishes to be a "big star", but this backfires when she is sent into space strapped to a rocket; (9) finally, Mandy tries to auction the last wish, but Grim gets ahead and wishes the kids never found the skull in the first place. This goes back to the beginning of the episode where Billy is staring at the washing machine, followed by Mandy pushing him into it.

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"Wild Parts" One night a strange odor travels through the city, prompting the noses of all the people, including Billy's, to follow it. The next night, Mandy, who is noseless, and Grim decide to wait outside Billy's house for the event to repeat. When the odor reappears, the nose parade leads them to the shopping mall, where they meet a "Nasalmancer", a nose wizard who is trying to take over other people's noses since he lost his own. Billy recovers his nose, but slices it in two, and gives one half to the Nasalmancer. "The Problem with Billy" When Billy goes into the mud for the fifth time in the day while wearing his white tuxedo before a wedding, Grim tries to figure out why Billy is so stupid. Billy's dad recounts Billy's life from his birth until he met Mandy and explains that Billy is not dumb, but actually a genius with a certified "Honorary Genius Degree". It is quite evident to Grim that Billy's problem is his equally dumb father.

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"Happy Huggy Stuffy Bears" After a trip to the mall, Mandy becomes the spokesperson for Happy Huggy Stuffy Bears, a new stuffed toy in town. After the success of her commercial, Mandy gives away stuffed bears to other children, who start wreaking havoc in the city. Eris, the goddess of chaos, is behind the toys, which mind-control the children into creating chaos. Mandy decides not to share control of the world with Eris, and orders Grim to destroy the toys. "The Secret Decoder Ring" When Billy finally gets a "secret decoder ring" in his Blasto Bits cereal, he receives a holographic message from a strange creature who speaks about finding the "Secret of the Universe" in an abandoned mine shaft. All the other children of Endsville, also with decoder rings, race to the mine to be the first one to get the Secret. The entire effort is revealed to be a trap laid by Lubbermouth, a worm-like creature from Grim's past, who wishes to free herself from the curse of guarding the Secret. When Mindy looks down at the pit, she becomes the new guardian of the Secret and has to stay there forever.

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"The Bad News Ghouls" After Billy's baseball team loses badly against Mindy's, Grim decides to coach them. Mandy is not allowed on the team, as Billy is reluctant to let girls play, although he does not realize Mindy is a girl too. Mandy puts on a baseball cap and, assuming the role of "Manfred", pitches for Billy's team anyway. With additional help from ghoulish players which played in the Underworld Little Leagues alongside Grim, Billy's team wins when Pud'n hits a home run. "The House of No Tomorrow" While at Sassy Cat Land, the theme park dedicated to Sassy Cat (and to ridiculously long lines), Billy, Mandy, and Grim stumble upon a closed attraction, a futuristic "house of tomorrow". Inside, they find Master-Control, a sentient and autonomous, thinking, feeling artificial intelligence computer program claiming to know everything (and wishing death upon the trio when Billy angers him), and Tom Smith, a tour guide that became trapped in the house when it closed forty years ago. Tom explains that the attraction closed when a kid, actually Billy's dad, annoyed Master-Control with his dumb questions, and the robots started attacking the humans. Billy, Mandy and Grim exit the house unharmed, but Tom misses his opportunity to escape and is left behind again.

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"He's Not Dead, He's My Mascot" When Billy and Mandy's school is preparing for a big game, Mindy entrusts the care of the school's mascot, Fluffy Cat, to Billy, to protect him from being kidnapped by the rival team, the Booty Heads. At Billy's house, Fluffy Cat is a disaster, so Billy's mom throws him into the basement, where the cat gets inside Grim's trunk, absorbing its powers. A giant Fluffy Cat appears just before the game wreaking havoc. "Hog Wild" As Billy is tired of all the rules in his house, he cannot resist the urge to try his father's new motorcycle. The motorcycle breaks down, and Billy asks Grim to repair it. Grim's scythe turns the motorcycle into a wild, supernatural vehicle, which transforms Billy's parents and everyone around it into undead creatures and motorized monsters. Mandy makes Billy tell the truth about breaking the motorcycle in the first place, at which point his parents and everyone else return to normal.

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"The Secret Snake Club" At school, Billy, Mandy, and Irwin look for a club to join. Irwin plans to join the Macrame club to meet girls; Billy inquires on the Junior CIA club, which forcefully recruits him; Mandy joins the "Secret Snake Club", a snake-themed club consisting of three geeks. The nerds reveal that their "secret agenda" is to resurrect Shnissugah, a giant snake which lived hundreds of years ago in Canada, to take revenge against the popular kids, but they lack the power of the Underworld to do so. Mandy calls for Grim, who proceeds to revive Shnissugah through the internet. Billy, as a junior agent of the CIA, stops a criminal plan by Irwin, who was using the Macrame club for personal gain; and Shnissugah turns out to be a tiny, 8-cm (3.14-in) long, harmless snake.

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"That's My Mummy" When Billy hangs out at Irwin's house, he finds a living mummy in the bathroom. Seeing as Irwin gets nervous, and as Billy has never met Irwin's mother, he suspects she is the mummy. To scare him off, Irwin's dad tells Billy he has the "curse of the mummy". Billy is attacked by insects and snakes while he tries to find out the truth about the mummy. It is later confirmed that Irwin's mother is in fact the mummy, but no further explanation is given as to how Irwin's family works or how he was conceived. "Toys Will Be Toys" Thanks to Mandy, Billy decides to get rid of his "Dinobonoid" action figures thinking he is too old for them. Grim makes the toys come to life, and shrinks Billy to their size so he can have a last adventure with them. The "Jurassic Creeps" become aware of Grim's scythe and steal it from him to use its powers to rule the world; however, the magic that made them come alive runs out just in time, and the toys become inanimate once again. Billy reverts to his normal size too, but he stays trapped inside the box in which the action figures came.

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"Chocolate Sailor" While reading an Underworld comic book, Billy finds an advertisement for "Chocolate Sailors", a delicious chocolate candy-which being Underworld candies are secretly hexed into enslaving the eater. Billy becomes a seller of Chocolate Sailors, but instead of selling them ends up eating them all by himself. The enchanted candies turn him into solid chocolate, and now Billy cannot stop eating himself. Billy, Mandy, and Grim go searching for the Chocolate Sailor to retrieve the antidote before Billy eats himself completely. Instead of eating the antidote, Billy eats the antidote along with other enchanted chocolates, and his head (which was all that was left of him) explodes as a result and covers Chocolate Sailor, Grim and Mandy in chocolate. Later Grim and Mandy are shown watching TV while drinking "Billy" Chocolate shakes. "The Good, the Bad and the Toothless" When Billy has a loose tooth he cannot wait for the Tooth Fairy to appear to give him money. Mandy, who does not believe in the Tooth Fairy, asks Sperg to end Billy's waiting by knocking his tooth off. Sperg's punch leaves Billy unconscious, who has a dream about being in the wild west, where the Tooth Fairy has taken his tooth. Mandy challenges the Tooth Fairy to a showdown to recover the tooth, and she comes out victorious just as Billy awakens. Billy does find money under his pillow, while the aged Tooth Fairy watches through the window.

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"Whatever Happened to Billy Whatishisname?" When Billy and Mandy have a brief fight, Billy says he never wants to speak to Mandy again. The next day, Billy is over his grudge, but Mandy has already decided to find a replacement for him. Mandy introduces Bobby, the new "Billy", who turns out to be a better friend than Billy, even gaining the affection of his parents, but who also wants to take over Billy's life. A jealous Billy uses Grim's scythe to open a portal and send Bobby to another dimension. "Just the Two of Pus" When a doctor is unable to cure Sperg of his severe case of acne, Sperg goes to see a fortune teller that deals with skin problems. Following a Burmese recipe in her book, the psychic tells Sperg to get the Grim Reaper's bones and rub them upon his face. Sperg has to tolerate being friends with Billy and Grim to get access to the latter's bones. One of Grim's arms gets into a stew and when Sperg is immersed in it, the mix cures completely his acne, but it also erases his nose and mouth.

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"Attack of the Clowns" After Billy wakes up from another nightmare involving clowns, he is more terrified than ever towards them, so Mandy and Grim try to cure him of this clown-a-phobia. Mandy asks Grim to bring to life a clown's head made on paper mache to entertain Billy, but the spell does not seem to work. They dress up as clowns in an attempt to look harmless. After consulting with his imaginary "Inner Frat Boy", Billy changes his feeling from being afraid to being angry at clowns, and attacks them with Grim's scythe. Billy is cured of his fear, but the paper mache clown attacks and eats them. "Complete and Utter Chaos (a.k.a. Billy Gets Dumber)" Thinking that the world is chaotic enough as it is, Eris, the goddess of chaos, decides to quit chaos to work at a hamburger restaurant. She entrusts Grim the Apple of Discord to watch over for her, which he seals in his old trunk. The apple frees itself from the chest and goes to Billy. Mandy is attracted by the apple's powers, and after being persuaded by Billy's talking burrito, Billy, Mandy and Grim battle for control of the apple, which divides in three pieces. The battle results in them being fused together into an amorphous mass, and, with an evil grin on her face, Eris decides to offer the apple to Irwin too.

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"Five O'Clock Shadows" Grim is annoyed by Billy who thinks that a shadow is following him. Grim takes Billy and Mandy to the Shadows' World, where their opposites live. Grim tells them to do whatever they want, but to be back at 5 o'clock, when the portal to the normal world opens. Grim also warns Billy about the Door to Other Dimensions, but Billy opens it and a multitude of Billys come out an wreak havoc. "Terror of the Black Knight" After being impressed by Irwin's realistic armor at the medieval fair, Billy wishes for a fancy armor too. Grim gives him the "Cursed Suit of the Black Knight". When Billy needs to go to the bathroom, the curse is revealed to be that the armor cannot be taken off until the person wearing it beats someone in a competition. Billy desperately tries to defeat other people at various contests, he but fails to come out victorious. He defeats Mandy at a breakdance contest in which Mandy decided not to participate, but he does not need to go to the bathroom anymore.

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"Test of Time" When Billy forgets to do his history homework, Grim gives him a universal remote control to alter time and space so he can go back in time and finish his report. Billy and Mandy travel to the American Revolution, to prehistoric times, and even to the future, where they meet an aged Billy who is just finishing the report. After a struggle for the remote, Billy ends up again in the Prehistory and the remote breaks. Fast forward into the present, every person is dumb like he is and shares his characteristic big nose, including Mandy and Irwin. "A Kick in the Asgard" During a thunderstorm, a lightning bolt hits Grim's scythe, transporting Billy to Asgard, land of the Norse gods. Mandy and Grim go searching for him, while a Viking wearing Billy's shirt remains at his house as a substitute. In Asgard, Billy learns about the endless battle in Valhalla, in which if a warrior dies, he is resurrected to continue fighting. Billy is surprisingly good at killing other Vikings, so Mandy and Grim are unable to convince him to return home.

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"Bearded Billy" When Billy sees his father shaving, he decides having a beard is cool and buys "Hair Raiser Tonique", a hair-growing formula. Grim casts a spell on the tonic to make its effects appear faster, but Billy exaggerates the quantity and grows hair in all his body. Billy is mistaken for the Sasquatch, and a reward is offered for his capture. Hoss Delgado also receives the tonic and is captured and exhibited as the Sasquatch, while Mandy collects the reward. "The Nerve" After being bullied again by Sperg, Billy asks Grim to shrink him to enter Mandy's head to steal her "nerve". After Billy swallows the raw nerve, a polyp-like organism, Mandy becomes timid and scared of everything while Billy becomes tough and mean. While Billy goes to get revenge at Sperg, Mandy enters Billy's head to recover her nerve. Mandy recovers her tough and cynical attitude without her nerve, which is successfully retrieved from Billy and banished from Endsville.

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"Super Zero" After watching a TV show, starring Captain Heifer and his Heifer Farms Brand Yogurt, Billy asks Grim to turn him into a superhero with the power of squeaking and throwing yogurt from his armpits. With his wish granted, Billy goes to outer space to fight the Evil Empire, but the planet he visits is mostly inhabited. Despite being free of Billy, Grim still has to deal with Billy's equally dumb father, Harold. After Billy fills the alien planet with yogurt, he returns home to be "normal". "Sickly Sweet" Trying to get revenge at Mandy for bossing them all the time, Billy and Grim put her in the "Mask of the Beast". Mandy must be nice and friendly while wearing the mask, or else she will become a hideous monster. Failing to remove the mask herself, and struggling to be kind to Billy and Grim, Mandy gradually turns into the beast. Billy and Grim ask Mandy to smile while she gives them a sponge bath, but this turns out to be too hard for Mandy. She fully transforms into the beast and punishes them instead.

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"Which Came First?" While going to a science museum, Billy and Mandy's school bus breaks down in the middle of the desert. After digging for fossils, Billy, Mandy and Grim wander around and find an abandoned mine, where Billy is captured by a giant, mutant chicken. When Mandy and Grim go to rescue him, they find an underground laboratory from the days of the Cold War where mutant chickens were created. The mountain makes eruption, the chickens are roasted by lava, and the whole class obtains food so they do not have to resort to cannibalism. "Substitute Teacher" Billy's first cousin from the center of the Earth, Nergal Jr. goes to school for the first time, but he is worried that people may not like him. Soon enough, Junior becomes bullied by Sperg, with Miss Butterbean's allowance. Billy suggests Junior to use his shapeshifting abilities to take on the form of Miss Butterbean, so Junior can help him pass a math test. Junior likes the idea, but he morphs into Miss Butterbean to get revenge on Sperg instead. Sperg is seen living in the center of the Earth as Junior's pet.

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"Nigel Planter and the Chamber Pot of Secrets" When Billy, Mandy and Grim go playing golf, they encounter boy wizard Nigel Planter again, who is there hiding from the dark wizard Lord Moldybutt. They head back to the School of Sorcery, where they keep on running into Moldybutt, who warns them to stay away from the "Chamber Pot of Secrets" hidden in Dean Toadblatt's office. It is revealed that Lord Moldybutt is actually Toadblatt, who was disguising himself to scare off Planter. Note: The title is a spoof of Harry Potter and the Chamber of Secrets. "Circus of Fear" When Billy and Mandy are utterly bored, Grim takes them to Underworld's "Circus of Fear". The ringleader, Dr. Fear, notices Billy and Mandy, and tries to recruit them into the circus to attract customers, who would pay to see real, live humans. After they go back home, Dr. Fear captures the two kids, and Grim has to get them back. During the show, Mandy breaks free and in a strange twist of the story, she reveals that the beastmaster, Clortho, is actually Dr. Fear, who in turn is just an earthworm, leaving Billy confused.

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"Nursery Crimes" After Billy eats 19 creme-filled Atomic Frenzy Cakes he cannot sleep and wants Mandy to read him a bedtime story. Mandy, Billy and Grim each tell a story. For his story, Grim uses a supernatural storybook from the Underworld, which makes Billy and Mandy enter the book and reprise the tale of Hansel and Gretel. Billy departs from the story and follows Pinocchio, who wants to devour Billy to become a real boy. Mandy saves Billy from Pinocchio, but she and Billy remain trapped in the book as Grim, the storyteller, falls asleep. "My Peeps" When Billy ruins his eyes by playing too many video games and looking directly into the Sun, Mandy and Grim suggest he see an ophthalmologist. When Billy refuses wearing glasses or having laser surgery, Grim uses his own scythe to zap his eyes. Although Billy has sharp and clean eyesight, he can also see glimpses of the future, specially horrific accidents that occur to his best friends. Grim zaps Billy's eyes multiple times to restore them to normal. Billy ends up with weird-looking eyes.

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"House of Pain" Lord Pain, a fearsome warrior from the Plain of Eternal Suffering, appears in Billy's house looking to serve his master, Grim. Lord Pain is put to clean the bathroom, and is confused as to why Billy and Mandy treat Grim the way they do. Eventually, Lord Pain realizes that Mandy is to be his real master, and prepares mashed potatoes for her. "A Grim Prophecy" In this short, set in the Stone Age, a child version of Grim undertakes his first assignments as the Grim Reaper. When he goes to visit a cave witch, she shows him his terrible future being abused by Billy and Mandy. "Mandy Bites Dog" When Mindy mocks Mandy's dumb and coward dog, Saliva, Mandy decides to train her dog to be meaner. After Grim keeps mentioning his own dog, Cerberus, Mandy decides to use Grim's special whistle to call the gigantic, three-headed, fire-breathing hound. Cerberus marries Mindy's chihuahua, Little Delicious, and Saliva snaps against Mindy for a brief moment.

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"Li'l Porkchop" After he turns down his dad's invitation to go fishing, Billy gets a tiny, weakling, pet fish, which he names Little Porkchop. To make Billy happier, Grim makes the fish grow overnight to become a giant. Billy takes Porkchop to play under the Sun, and never gives him water again. He burns to ashes and is flushed down the toilet. Billy's dad returns form his fishing trip having caught Porkchop, now back to his normal size, but plans to cook him. "Skarred for Life" General Skarr buys a home in Endsville and becomes Billy's neighbor. After Skarr invites Billy into his new house, Billy mentions Grim's scythe as ,he strongest and most powerful weapon in the entire universe, and Skarr tries to battle his desire to be evil again. Eventually Skarr steals the scythe but Mandy proves to be even scarier than he is, and takes it back.

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"Dumb Luck" After spilling salt in a restaurant, and not throwing salt over his left shoulder, Billy starts having an unusual amount of extremely bad luck. The next day, Grim analyzes Billy and finds out he has a "Catastrophe Snail" attached to his brain, which is causing him the bad luck. "No Body Loves Grim" Billy, Mandy and Grim go to the beach where Grim falls asleep and Billy buries him in sand. When they leave, Billy only takes Grim's skull, leaving Grim's body to be found by a rich family that take it with them. With his adoptive family, Grim's body becomes a celebrity and refuses to go back with Billy and Mandy. Eventually, Grim's skeleton is reunited with his skull, but instants later it is shattered by dogs.

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"Spider's Little Daddy" At a father-and-son picnic, Billy re-encounters with his spider "son", Jeff, in a dirty bathroom. Once again, Jeff tries to make Billy love him as a true father does, but Billy remains terrified of all bugs. Mandy tells Jeff he is being too nice, and to get Billy's attention he needs to be meaner. After being coached by Mandy, Jeff finally snaps and ensnares Billy in his spider web, forcing Billy to say he loves him. "Tricycle of Terror" When Billy crashes his bicycle, he obtains a free tricycle from a mysterious boy in a supernatural porta-potty. While Billy loves his tricycle, which he calls Trykie, he is also mocked because of it by Irwin, Pud'n, and Sperg. Trykie moves on its own and attacks the three of them. Mandy realizes the problem with Trykie, and Grim confirms that he is cursed. Billy realizes that Trykie is indeed evil as well, and he lets Mandy destroy it once and for all.

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Billy, Mandy and Grim go trick-or-treating for Halloween, and Irwin is left behind because he needs a scarier costume. After pulling a trick on an old lady, and getting some candies, Grim tells the story of why people pull pranks, which he was partially responsible for. He tells about Jack, a prankster of the old Endsville who just never knew when to stop. One day, the citizens decided to punish him for his constant pranks, and they pulled a prank on the queen, but signed it "From: Jack"; in consequence, the angry queen sent a knight to kill Jack. When Grim went for Jack's soul, Jack stole his scythe. In return for his scythe, Grim promised Jack eternal life, but after closing the deal, Grim takes his scythe and cuts Jack's head off, showing that no one will "EVER" see his face again. Afterwards, Jack decided to use a pumpkin for a head, becoming Jack O'Lantern, and, suffering from the loss of his real head and learning his lesson about pulling pranks too far and whom he does them to, every Halloween he goes out to pull pranks on the citizens of Endsville, and waits 364 more days a year until next Halloween in solitary mode in his own house. After hearing the story, Billy splits from the group and finds Jack's house downtown. Jack realizes Billy is carrying the actual Reaper's scythe, so he takes it from him and uses it to open the gates of the Underworld and bring forth ghosts, which cause havoc in the city. Jack then plans to get revenge on Grim by cutting his head off which, being cut with the Reaper's scythe, will stay off "forever". To stop Jack from carrying on with his vengeance, Mandy sets up a series of pranks for him. The pranks affect Irwin instead, causing major laughter from Jack and his ghouls, which explode and return to the Underworld. Grim recovers his scythe and sends Jack to the Underworld too.

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"Grim for a Day" After a lousy night for Grim, Billy and Grim argue about who has the hardest time, the kid or the Reaper of Souls. Mandy proposes they switch places for the day to find out. Grim seems to be having a good time, acting like a silly kid, while Billy is bored waiting for his old victim, Mr. Voorhees, to open the door. Billy transforms into a short skeleton, while Grim transforms into a taller version of Billy. "Chicken Ball Z" Grim's refusal to help Mandy win a karate tournament, and the $50,000 prize it promises to the winner, leads her to a curio shop, where the shopkeeper, Kuan Ti, gives her an ancient "Chicken Ball" which, when eaten, allows her to become a great fighter. Mandy easily wins the tournament and does not care about the money anymore, only about fighting. It turns out Kuan Ti is actually Eris in disguise, and this was just another of her schemes to create chaos. Seeing how he has a chance to get rid of the kids and finally be free, he tries to take advantage over this by making Billy a superb fighter too, so he and Mandy can fight ferociously to the death until the entire arena is destroyed. With both still alive, Mandy still demands the prize money, which she uses to buy Hector Con Carne's Bunny Island. "The Halls of Time" After missing on a school trip, Grim takes Billy, Mandy and Irwin to the "Halls of Time" for a tour. There, Billy and Irwin mess the hourglasses that symbolize each person's lifespan. When they leave, they accidentally leave their own hourglasses, including Grim's, upside down, resulting in the group getting younger as time passes. Grim allows the kids to disappear by going before birth, but he cannot restore his own hourglass to its correct position and he disappears too.

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"Son of Nergal" Billy and Mandy are sent to "Winter Camp", where they meet Nergal's son, Nergal Jr. Just like his father, Junior tries making friends, although not in the best way possible. Junior attacks the campers, freezes them and, using his shape-shifting abilities, takes over their appearances. Billy decides to be Junior's friend, but he is scared away at the moment Junior shows him his true form. "Sister Grim" After being accidentally hit by Billy, Grim lands in a can of white paint in a remote convent. Due to his appearance, still with the can in his head, Grim is mistaken for "Sister Big Mamma" by little nuns. Grim has a great time with the friendly nuns, until Billy and Mandy come looking for him. When the nuns realize the truth about Grim they get angry at him, but also help him go back home by sending him flying away with another punch. "Go Kart 3000!" When Billy and Irwin exclude Mandy and Grim from helping them build a go-kart to enter the Annual Endsville Go-Kart Competition, the latter two decide to build their own. Billy-Irwin, and Mandy-Grim compete against Mindy, Sperg, and a mystery racer (Pud'n). Mindy gets stuck in highway traffic, Billy-Irwin's car is destroyed, Sperg and Grim mutually prevent each other from winning, and Pud'n wins in his little red wagon.

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"The Crawling Niceness" Billy takes a big egg found in Grim's trunk and hatches it expecting a duck. Instead, Jeff the Spider is born, who considers Billy his father. Despite Jeff trying to please Billy in any possible way, Billy is terrified of Jeff and wants him squished. The exterminator chose not to squish Jeff because he is a nice bug. "Smarten Up!" Billy is worried about failing an upcoming Math test, so Grim gives him a "bookworm", which will make him much smarter. Milkshakes, Billy's cat, eats the worm instead, and is forced to tutor Billy. Billy is still an idiot in the end. "The Grim Show" Grim is upset after his favorite show, Atrocia's Late Night Atrocities, is cancelled. He goes to the TV station and using his powers, turns the studio into a creepier place and becomes the host of the Grim Show. Grim's success on TV is interrupted when Mandy tells him he has neglected to do her chores. Billy and Mandy go to the TV station and show embarrassing footage of Grim at home.

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"Grim in Love" When Billy, Mandy and Grim go to the beach, Grim falls in love with a goth woman named Malaria. Grim is having a good time with his girlfriend, but Mandy assures him that will change when he tells her that he is not human. In the following date, Grim demonstrates his supernatural powers while dancing and, as predicted, Malaria leaves in panic. "Crushed!" At school, Mandy rejects Irwin's invitation to go to the school dance with him. Billy introduces his foreign and mysterious, new friend, "Piff", and Mandy becomes desperate when she realizes that she has developed a crush on him. Mandy asks Grim to cut her heart out to stop being in love, but Grim has a better idea and gives Mandy a makeover. Piff gets a crush on Mandy, who takes the opportunity to brutally turn him down. "Love is Evol Spelled Backwards" It's Valentine's Day and Nergal, the fiend living in Earth's core, appears in Billy's house to court Billy's spinster aunt Sis. Billy tries ruining Nergal's date, to avoid becoming his nephew. Although initially Sis does not show interest in Nergal, she changes her mind when Nergal is stung by bees and she sees his "dance moves". Aunt Sis accepts Nergal's marriage proposal and accompanies him back to the center of the Earth.

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"Who Killed Who?" After excluding Mandy from their board game Who Killed Who? for being a girl, Billy and Irwin mistakenly throw their dice into the backyard of a haunted house. Grim warns them about the ghost of Mrs. Doolin, a lady that lived there. Mandy dares to go inside to retrieve the dice, and she befriends Mrs. Doolin, who is alive and well, and who says that all the stories told about her (that anything that went beyond her fence into her garden never came back) are inventions from Grim, whom she beat long time ago at a staring contest. Fearing for Mandy's life, Billy also ventures into the house, but Mrs. Doolin and Mandy scare him away by posing as ghosts. It appears that Mrs. Doolin is in fact a ghost, and when she meant "beating Grim", it meant that she "beaten death". "Tween Wolf" After Grim fails to pull a werewolf out of his hat, Irwin is bitten by said werewolf. Billy takes Irwin as his new pet dog, naming him Sprinkles, and enters him in the Endsville Dog Show to compete against Mandy's dog, Saliva. At the contest, Sprinkles is about to win, so Grim releases a "were-flea" whose bite causes the werewolf to revert to a naked Irwin. It appears that Irwin won the contest anyway.

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"Mandy, the Merciless" On a hot day when Billy, Mandy, and Irwin are bored, Grim uses a crystal ball to show them the future. In the distant future, Mandy has turned herself into a giant worm-like creature to be immortal, and now rules the whole world. Mandy gives false information to a clone of Billy to capture the members of a resistance that try to defeat her. The episode parodies the science fiction novel God Emperor of Dune by Frank Herbert. "Creating Chaos" When Billy, Mandy, and Grim go fishing, Eris, the goddess of chaos, gets Billy to help her use the Apple of Discord to create chaos (after her father grounded her). Instead of using the apple, Billy becomes distracted with his own idiotic errands, leading Eris to go insane. Billy finally decides to start creating chaos, but Eris is already too altered that she runs away. "The Really Odd Couple" Billy accidentally sets off a powerful stink bomb in Mandy's house and, while the house is being disinfected and fumigated, Mandy's family goes to live with Billy's. Billy and Mandy have a dispute over how to split Billy's room, prompting Grim to intervene. Mandy takes over the entire room, and imprisons Billy inside a brick wall with his mouth gagged by a dark red handkerchief.

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"Night of the Living Grim" Grim is lying sick in bed with "Encroaching Doom Syndrome". The Underworld doctors are not able to help Grim, and he becomes a human being. Back in Endsville, Grim seems attractive to women, but he ends up being punched by jealous boyfriends, especially Billy's dad Harold. Grim covers himself in the mucus that he produced when he was sick and becomes a skeleton again, and Billy tries it too. "Brown Evil" Taking inspiration from his Pat the Baker video game, Billy decides to bake chocolate brownies. Billy uses "Evil Powder" from Grim's old trunk instead of salt, and the resultant brownies stink. Mandy tells Grim to get rid of the brownies, and he reluctantly does, but he also stores some of them in his skull. Soon, the stench of the brownies spreads through the world and starts resurrecting dead people, animals, and even food, as zombies. "Brown Evil, Part 2" Billy and Hoss Delgado, spectral exterminator, team up to destroy all the zombies that congregate outside the house, but the zombies reassemble into a bigger zombie. Delgado realizes that the zombie is after the brownies that Grim has in his skull, so Delgado and Grim battle furiously for them. The zombie eats the remaining brownies and falls apart.

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"Toadblatt's School of Sorcery" In a parody of the Harry Potter series, Grim sends Billy and Mandy to a sorcery school so the latter duo could avoid boring summer camps they were supposed to go to. The sorcery school is owned by Dean Toadblatt, an anthropomorphic frog. Billy and Mandy are sent to the most hated house on the school, Weaselthorpe, while Grim becomes a prefect for a more loved house, Gunderstank. Billy and Mandy team up with boy wizard Nigel Planter to sabotage Gunderstank. Planter takes all the credit for the sabotage (which was Mandy's idea), but he is punished once he is found out by Toadblatt. "Educating Grim" Billy and Mandy take a reluctant Grim to school with them. Mandy's nemesis, Mindy, befriends Grim to annoy Mandy, and Billy calls for their other friend, who is Abraham Lincoln. Mandy devises a plan in which Mindy ditches Grim, and keeps Abraham as her friend instead. "It's Hokey Mon!" After watching Billy and Irwin play with their "Hokey Monsters" cards (parodying the Pokémon Trading Card Game), Grim makes the monsters come to life. Soon, all the other kids want their own cards to be real too, and the city is soon under attack by a multitude of Hokey Monsters. To put an end to the mayhem, Mandy draws her own card, Mandy's Monster, which defeats all the other monsters by turning them into toast.

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"Battle of the Bands" Billy wants to join Sperg's garage band, "Purple Filth", and take part in the upcoming battle of the bands. After witnessing Grim's prowess with the electric guitar, Sperg invites Grim instead. Billy's dad, adopting the rock and roll persona of "Mogar", decides he and Billy should go to the contest to make a surprise appearance. Billy impresses the audience with his armpit sounds. "Little Rock of Horrors" In this musical episode, which pays homage to Little Shop of Horrors, Billy befriends a singing brain-eating meteor (voiced by Voltaire) that falls from the sky. With Billy's help, the creature grows bigger and eventually eats the brains of all people in Endsville (turning them into zombies with glowing green eyes). The last brain he eats is Mandy's, which results in the creature transforming into a brain-eating Mandy. The song featured is BRAINS!, composed by goth artist Voltaire specifically for this episode. "Dream a Little Dream" Billy, Mandy, and Grim eat moldy pizza leftovers, and after falling asleep, they have nightmares. Billy dreams of cute bunnies which turn into monsters; Grim dreams of an endless number of bossy Mandys; Mandy dreams of being pulled into a volcano and then commanding demons at the rhythm of music, in a scene that reminisces the Night on Bald Mountain segment of Fantasia. In the end, Mandy reveals that her dream was actually very pleasant, and she eats the last slice of the rotten pizza.

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"Billy & the Bully" Billy is constantly provoked by a bully named Sperg and runs over to Grim for help. "To Eris Human" While going to the shopping mall with Billy and Mandy, Grim spots the beautiful Eris, the goddess of discord and chaos, and tries to ask her out. However, Eris is not interested in the skinless Grim, but in the muscular Adonis. Then, Eris invites Mandy to join her in creating chaos using the Apple of Discord. Although initially they get along, Eris pulls a prank on Mandy, who subsequently tries to get revenge. In the end, Mandy fools Eris into thinking that Adonis is in the movie theater, and Eris accidentally kisses Grim. "Big Trouble in Billy's Basement" After taking the Underworld's "Bad Book" from Grim, Billy becomes possessed by an evil entity. Then, Billy steals Grim's scythe, and uses it to open a portal to summon Yog-Sothoth. In consequence, Mandy calls for Hoss Delgado to battle Billy. It is revealed that the portal can only be sealed by throwing the book into it. As Billy eats the book, Mandy throws Billy himself into the portal, restoring everything to normal. Instants later, a portal opens up and Billy comes out and says they didn't want him there.

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"Billy's Growth Spurt" Billy eats too much junk food that makes him feel sick. Grim prepares him a remedy using his granny's recipe, but this medicine makes a parasite to start growing in Billy's back, which Billy names Yap-yap. In the following, Billy and Yap-yap continue eating junk food, so Mandy suggest to use the antidote to the original remedy. Eventually, Yap-yap, now looking like a smaller version of Billy, detaches himself from Billy (which would have technically cured Billy without the need of him drinking the anitdote), and tries to escape from the antidote. In the end, Yap-yap drinks the antidote and is destroyed. "Hoss Delgado: Spectral Exterminator" Billy, Mandy, and Grim go to the museum on a school trip. There, they meet Hoss Delgado, self-appointed hunter of the paranormal, who upon spotting Grim, tries to eliminate him. Subsequently, Grim and Delgado engage in a fight. Finally, Delgado quits hunting Grim when he realizes Billy and Mandy control him. In the end, Delgado continues his own adventures and is seen fighting a werewolf. "Tickle Me Mandy" Mandy and her parents leave the city for a day, which makes Billy feel lonely. Then, Grim uses his supernatural powers to create a fake Mandy with pieces of dolls and toys for Billy to play with. However, the "new" Mandy is too aggressive with Billy, and he starts fearing her. The next day, the real Mandy returns home, and promptly destroys the new Mandy while in the see-saw.

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"Something Stupid This Way Comes" Nergal, the fiend from the center of the Earth, returns to the surface, emerging a carnival with him, trying once more to make friends. In the following, Billy tries to help Nergal make friends by being considerate, but Nergal fails to apply correctly his advice. When Nergal is told that Grim was forced to be Billy and Mandy's friend-slave, Nergal then decides to force the world to be his friends by turning them into dark beings similar to him. In the end, Nergal turns Billy, Mandy, Grim and even the viewer (thus breaking the fourth wall) into one before the episode ends. "A Grim Surprise" Billy tells Grim to help him throw a surprise birthday party for Mandy. Then, a reluctant Grim helps Billy prepare a cake while keeping it a secret from Mandy. In the end, a somewhat surprised Mandy reveals that her birthday isn't for the next five months, something that Billy already knew about. "Beasts and Barbarians" Billy and Irwin have been playing their favorite video game, Beasts and Barbarians, for three days non-stop. In an attempt to stop their video game addiction, Grim transports them all to a real-life version of the game. Seeing as Billy and Irwin are still doing good in their quest, Grim increases the difficulty by manipulating the traps himself. In the end, Billy, Mandy, and Grim return home escaping from a giant cyclops, while Irwin remains trapped.

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"Grim or Gregory?" It's Halloween, Billy, Mandy and Grim go trick-or-treating. Grim mistakes a woman for Atrocia, the host of the all-night Halloween marathon on TV and goes to talk to her. Upon looking at her face, Grim realizes his mistake; however, the woman mistakes Grim for her son, Gregory, and takes him home Gregory is now Grim, and does not have a stomach. At the same time, Billy mistakes Gregory for Grim and he and Mandy take him with them. In the end, Billy and Mandy take Gregory back to his mother and Grim goes back with them. "Grim vs. Mom" After having a nervous breakdown and leaving the house in the first episode, Billy's mother, Gladys, returns. She meets Grim again and, this time, she plans to destroy him once and for all. When Grim goes to the kitchen for a glass of water, Gladys attacks him and shatters his skeleton. In the end, Grim assures the kids that Gladys has won the battle but not the war. "Tastes Like Chicken" With Irwin not answering the phone, Billy's parents missing and Mandy saying she wants "Billy for dinner", Billy and Grim assume Mandy is a cannibal who ate Billy's parents and friends. Looking for proof, Billy and Grim find tiki figures and arrangements for a celebration in Mandy's backyard. Ultimately, it is revealed that they are just celebrating Billy's birthday. Still, Mandy burps out Irwin's glasses.

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"Fiend Is Like Friend Without the 'R'" Billy wanders into a junkyard, where a massive hole in the earth opens up and pulls him down in. Later, Mandy and Grim get pulled in as well. They land at the center of the Earth, which is home of Nergal, a devilish creature. The lonely Nergal, who has been watching Billy and Mandy for some time, wants Grim to hand over the kids to him so they can be his friends forever. Grim happily leaves the kids behind as he returns to the surface; however, he later goes back for them because he can't handle the guilt of abandoning his friends. In the end, Grim is defeated by Nergal's electrified tentacles, but Mandy defeats Nergal merely by kicking him in the shin. "Recipe for Disaster" Billy, Mandy, Grim and Pud'n are part of the "Person Scouts" (a Boy Scouts-esque organization) and need to sell cookies in order to win a badge. However, as Billy eats all of the cookies, Grim proposes to bake their own cookies using his aunt Kali's secret recipe. The cookies are a success and the troupe wins the contest. In the end, at the Person Scouts awards ceremony, aunt Kali reveals that the secret recipe contains insects, but everyone continues eating the cookies anyway. "A Dumb Wish" While Spring cleaning in the middle of November, Billy takes an old, cursed lamp from Grim's trunk. When he gives it a rub, he releases the curse Grim had warned them about: his own mother. Having three wishes to make, Billy wastes his wish by wishing to know what to wish for. Mandy wishes Billy and Grim would "shut up", so Grim never gets to make his wish. Then, Mandy decides to make the last wish to whoever makes her the happiest. In the end, Mandy wishes everyone in the world would go away, which she is glad about.

Watch The Grim Adventures of Billy and Mandy season 1 episode 2 (S01E02)

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"Get Out of My Head!" After watching a movie, Grim teaches Billy to possess people by jumping into their heads. Billy possesses Mandy and makes her do assorted things like flirting with Irwin, kissing Mandy's mother, going into both men's and women's restrooms and eating earthworms. In the end, Billy leaves Mandy's head, but later that night, Mandy possesses Billy's cat, Milkshakes, to maul him as a form of revenge. ""Look Alive!" Grim is bored of being left alone while Billy and Mandy are not with him. Grim decides to fulfill his dream by working as a swimsuit model, but, as he is a corpse, he is not hired. Subsequently, Billy and Mandy give him a makeover to look more human. In the end, Grim gets the job in a TV ad, but he is only in the commercial for a few seconds and is portrayed as an ugly person. "Mortal Dilemma" Grim misses his life as the reaper of souls and, due to his bet, he cannot return to the Underworld, much to the hilarity of his Underworld co-workers. Having a sudden epiphany, Grim decides to be good and help people rather than try to take their souls. However, Grim's attempts at being good are faced with resistance from people, who are scared off by his appearance.

Watch The Grim Adventures of Billy and Mandy season 1 episode 1 (S01E01)

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"Meet the Reaper" Billy's pet hamster, Mr. Snuggles, celebrates his 10th birthday, so the Grim Reaper comes for him. However, Mandy, Billy's friend, is reluctant in allowing it, so she proposes a deal to the Grim Reaper: if he beats the kids in a game, he can take the hamster, but if he loses, he will spare the hamster's life and become their "best friend forever". The Grim Reaper transports the kids to limbo, where he challenges them to a game of limbo. Despite his best effort, Grim ends up losing because he is attacked by Mr. Snuggles at Mandy’s command. Note: Based on the theatrical pilot film Billy & Mandy, this is the only episode not produced by Cartoon Network Studios, having been produced in 1999 by Hanna-Barbera. "Skeletons in the Water Closet" Billy's mother, Gladys, first notices Grim in Billy's bed, then in the shower and subsequently starts to get panic surges thinking that Billy is in danger. Meanwhile, Harold, Billy's dad, just thinks that Gladys is imagining things. In the end, Gladys ends up going living with Billy's aunt, Sis to try and calm herself down. "Opposite Day" Billy and Mandy tell Grim it is "Opposite Day" and that, when they say something, they really mean the opposite. Due to his difficulty understanding the concept of Opposite Day, Grim has to do Mandy's chores. Finally, Grim thinks he understands when Billy and Mandy say they "want" pie, meaning they "do not want" pie. However, Mandy then says that when she said it was Opposite Day, it really was not.

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