watch NCIS free online

256 Available, 257 Aired
Last Aired S13E24 on May 17, 2016
256 episodes available of 257 aired
6.5 (122 Ratings)
45 Min

NCIS is an American police procedural drama television series, revolving around a fictional team of special agents from the Naval Criminal Investigative Service, which conducts criminal investigations involving the U.S. Navy and Marine Corps.

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All NCIS (2003) Episodes

NCIS Seasons

  1. Watch NCIS Season 13 S13
    20 of 20 Ep. Available 2015
  2. 21 of 21 Ep. Available 2014
  3. 23 of 23 Ep. Available 2013
  4. 24 of 24 Ep. Available 2012
  5. 24 of 24 Ep. Available 2012
  6. 23 of 23 Ep. Available 2011
  7. 23 of 23 Ep. Available 2009
  8. 20 of 20 Ep. Available 2008
  9. 18 of 19 Ep. Available 2007
  10. 21 of 21 Ep. Available 2005
  11. 17 of 17 Ep. Available 2004
  12. 22 of 22 Ep. Available 2003

NCIS Episodes

  1. 24 Watch NCIS S13E24 online - Family First
    Available Aired on May 17, 2016
  2. 23
    Available Aired on May 10, 2016
  3. 22
    Available Aired on May 03, 2016
  4. 21
    Available Aired on Apr 19, 2016
  5. 20
    Available Aired on Apr 05, 2016
  6. 18
    Available Aired on Mar 15, 2016
  7. 17
    Available Aired on Mar 01, 2016
  8. 16
    Available Aired on Feb 23, 2016
  9. 15
    Available Aired on Feb 16, 2016
  10. 14
    Available Aired on Feb 09, 2016
  11. 12
    Available Aired on Jan 05, 2016
  12. 11
    Available Aired on Dec 15, 2015
  13. 10
    Available Aired on Nov 24, 2015
  14. 9
    Available Aired on Nov 17, 2015
  15. 8
    Available Aired on Nov 10, 2015
  16. 7
    Available Aired on Nov 03, 2015
  17. 5
    Available Aired on Oct 20, 2015
  18. 4
    Available Aired on Oct 13, 2015
  19. 3
    Available Aired on Oct 06, 2015
  20. 2
    Available Aired on Sep 29, 2015
  1. 24
    Available Aired on May 12, 2015
  2. 23
    Available Aired on May 05, 2015
  3. 22
    Available Aired on Apr 28, 2015
  4. 21
    Available Aired on Apr 14, 2015
  5. 20
    Available Aired on Apr 07, 2015
  6. 18
    Available Aired on Mar 24, 2015
  7. 17
    Available Aired on Mar 10, 2015
  8. 16
    Available Aired on Feb 24, 2015
  9. 15
    Available Aired on Feb 17, 2015
  10. 13
    Available Aired on Feb 03, 2015
  11. 12
    Available Aired on Jan 13, 2015
  12. 11
    Available Aired on Jan 06, 2015
  13. 10
    Available Aired on Dec 16, 2014
  14. 9
    Available Aired on Nov 25, 2014
  15. 8
    Available Aired on Nov 18, 2014
  16. 7
    Available Aired on Nov 11, 2014
  17. 6
    Available Aired on Oct 28, 2014
  18. 5
    Available Aired on Oct 21, 2014
  19. 4
    Available Aired on Oct 14, 2014
  20. 2
    Available Aired on Sep 30, 2014
  21. 1
    Available Aired on Sep 23, 2014
  1. 24
    Available Aired on May 13, 2014
  2. 23
    Available Aired on May 06, 2014
  3. 22
    Available Aired on Apr 29, 2014
  4. 21
    Available Aired on Apr 15, 2014
  5. 20
    Available Aired on Apr 08, 2014
  6. 19
    Available Aired on Apr 01, 2014
  7. 18
    Available Aired on Mar 25, 2014
  8. 17
    Available Aired on Mar 18, 2014
  9. 16
    Available Aired on Mar 04, 2014
  10. 14
    Available Aired on Feb 04, 2014
  11. 13
    Available Aired on Jan 14, 2014
  12. 12
    Available Aired on Jan 07, 2014
  13. 11
    Available Aired on Dec 17, 2013
  14. 10
    Available Aired on Dec 10, 2013
  15. 9
    Available Aired on Nov 19, 2013
  16. 8
    Available Aired on Nov 12, 2013
  17. 7
    Available Aired on Nov 05, 2013
  18. 6
    Available Aired on Oct 29, 2013
  19. 5
    Available Aired on Oct 22, 2013
  20. 4
    Available Aired on Oct 15, 2013
  21. 3
    Available Aired on Oct 08, 2013
  22. 2
    Available Aired on Oct 01, 2013
  23. 1
    Available Aired on Sep 24, 2013
  1. 24
    Available Aired on May 14, 2013
  2. 23
    Available Aired on May 07, 2013
  3. 22
    Available Aired on Apr 30, 2013
  4. 21
    Available Aired on Apr 23, 2013
  5. 20
    Available Aired on Apr 09, 2013
  6. 19
    Available Aired on Mar 26, 2013
  7. 18
    Available Aired on Mar 19, 2013
  8. 17
    Available Aired on Mar 05, 2013
  9. 16
    Available Aired on Feb 26, 2013
  10. 15
    Available Aired on Feb 19, 2013
  11. 14
    Available Aired on Feb 05, 2013
  12. 13
    Available Aired on Jan 29, 2013
  13. 12
    Available Aired on Jan 15, 2013
  14. 11
    Available Aired on Jan 08, 2013
  15. 10
    Available Aired on Dec 18, 2012
  16. 9
    Available Aired on Dec 11, 2012
  17. 8
    Available Aired on Nov 27, 2012
  18. 7
    Available Aired on Nov 20, 2012
  19. 6
    Available Aired on Nov 13, 2012
  20. 5
    Available Aired on Oct 30, 2012
  21. 4
    Available Aired on Oct 23, 2012
  22. 3
    Available Aired on Oct 09, 2012
  23. 2
    Available Aired on Oct 02, 2012
  24. 1
    Available Aired on Sep 25, 2012
  1. 24
    Available Aired on Aug 06, 2012
  2. 23
    Available Aired on Jul 30, 2012
  3. 22
    Available Aired on Jul 23, 2012
  4. 21
    Available Aired on Jul 16, 2012
  5. 20
    Available Aired on Jul 09, 2012
  6. 19
    Available Aired on Jul 02, 2012
  7. 18
    Available Aired on Jun 25, 2012
  8. 17
    Available Aired on Jun 18, 2012
  9. 16
    Available Aired on Jun 11, 2012
  10. 15
    Available Aired on Jun 04, 2012
  11. 14
    Available Aired on May 28, 2012
  12. 13
    Available Aired on May 21, 2012
  13. 12
    Available Aired on May 14, 2012
  14. 11
    Available Aired on May 07, 2012
  15. 10
    Available Aired on Apr 23, 2012
  16. 9
    Available Aired on Apr 16, 2012
  17. 8
    Available Aired on Apr 09, 2012
  18. 7
    Available Aired on Apr 02, 2012
  19. 6
    Available Aired on Mar 19, 2012
  20. 5
    Available Aired on Mar 12, 2012
  21. 4
    Available Aired on Mar 05, 2012
  22. 3
    Available Aired on Feb 13, 2012
  23. 2
    Available Aired on Feb 06, 2012
  24. 1
    Available Aired on Jan 30, 2012
  1. 24
    Available Aired on Sep 20, 2011
  2. 23
    Available Aired on Sep 19, 2011
  3. 22
    Available Aired on Sep 06, 2011
  4. 21
    Available Aired on Aug 30, 2011
  5. 20
    Available Aired on Aug 23, 2011
  6. 19
    Available Aired on Aug 16, 2011
  7. 18
    Available Aired on Aug 09, 2011
  8. 17
    Available Aired on Aug 02, 2011
  9. 16
    Available Aired on Jul 26, 2011
  10. 15
    Available Aired on Jul 19, 2011
  11. 14
    Available Aired on Jun 28, 2011
  12. 13
    Available Aired on Jun 21, 2011
  13. 12
    Available Aired on Jun 14, 2011
  14. 11
    Available Aired on Jun 07, 2011
  15. 10
    Available Aired on May 24, 2011
  16. 9
    Available Aired on May 17, 2011
  17. 8
    Available Aired on May 10, 2011
  18. 7
    Available Aired on May 03, 2011
  19. 6
    Available Aired on Apr 26, 2011
  20. 5
    Available Aired on Apr 19, 2011
  21. 3
    Available Aired on Apr 05, 2011
  22. 2
    Available Aired on Mar 29, 2011
  23. 1
    Available Aired on Mar 22, 2011
  1. 24
    Available Aired on May 25, 2010
  2. 23
    Available Aired on May 18, 2010
  3. 22
    Available Aired on May 11, 2010
  4. 21
    Available Aired on May 04, 2010
  5. 20
    Available Aired on Apr 27, 2010
  6. 19
    Available Aired on Apr 06, 2010
  7. 18
    Available Aired on Mar 16, 2010
  8. 17
    Available Aired on Mar 09, 2010
  9. 16
    Available Aired on Mar 02, 2010
  10. 15
    Available Aired on Feb 09, 2010
  11. 14
    Available Aired on Feb 02, 2010
  12. 13
    Available Aired on Jan 26, 2010
  13. 12
    Available Aired on Jan 12, 2010
  14. 11
    Available Aired on Jan 05, 2010
  15. 10
    Available Aired on Dec 15, 2009
  16. 9
    Available Aired on Nov 24, 2009
  17. 8
    Available Aired on Nov 17, 2009
  18. 6
    Available Aired on Nov 03, 2009
  19. 5
    Available Aired on Oct 20, 2009
  20. 4
    Available Aired on Oct 13, 2009
  21. 3
    Available Aired on Oct 06, 2009
  22. 2
    Available Aired on Sep 29, 2009
  23. 1
    Available Aired on Sep 22, 2009
  1. 25
    Available Aired on May 19, 2009
  2. 24
    Available Aired on May 12, 2009
  3. 21
    Available Aired on Apr 07, 2009
  4. 20
    Available Aired on Mar 31, 2009
  5. 19
    Available Aired on Mar 24, 2009
  6. 17
    Available Aired on Feb 24, 2009
  7. 16
    Available Aired on Feb 27, 2009
  8. 15
    Available Aired on Feb 10, 2009
  9. 14
    Available Aired on Jan 27, 2009
  10. 13
    Available Aired on Jan 13, 2009
  11. 12
    Available Aired on Jan 06, 2009
  12. 11
    Available Aired on Dec 16, 2008
  13. 10
    Available Aired on Dec 02, 2008
  14. 9
    Available Aired on Nov 25, 2008
  15. 8
    Available Aired on Nov 18, 2008
  16. 7
    Available Aired on Nov 11, 2008
  17. 6
    Available Aired on Oct 28, 2008
  18. 5
    Available Aired on Oct 21, 2008
  19. 4
    Available Aired on Oct 14, 2008
  20. 1
    Available Aired on Sep 23, 2008
  1. 19
    Not Available Aired on May 20, 2008
  2. 18
    Available Aired on May 20, 2008
  3. 17
    Available Aired on May 13, 2008
  4. 16
    Available Aired on May 06, 2008
  5. 15
    Available Aired on Apr 29, 2008
  6. 14
    Available Aired on Apr 22, 2008
  7. 13
    Available Aired on Apr 15, 2008
  8. 12
    Available Aired on Apr 08, 2008
  9. 11
    Available Aired on Jan 15, 2008
  10. 10
    Available Aired on Nov 27, 2007
  11. 9
    Available Aired on Nov 20, 2007
  12. 8
    Available Aired on Nov 13, 2007
  13. 7
    Available Aired on Nov 06, 2007
  14. 6
    Available Aired on Oct 30, 2007
  15. 5
    Available Aired on Oct 23, 2007
  16. 4
    Available Aired on Oct 16, 2007
  17. 3
    Available Aired on Oct 09, 2007
  18. 2
    Available Aired on Oct 02, 2007
  19. 1
    Available Aired on Sep 25, 2007
  1. 24
    Available Aired on May 16, 2006
  2. 23
    Available Aired on May 09, 2006
  3. 22
    Available Aired on May 02, 2006
  4. 21
    Available Aired on Apr 25, 2006
  5. 20
    Available Aired on Apr 18, 2006
  6. 18
    Available Aired on Mar 14, 2006
  7. 17
    Available Aired on Mar 07, 2006
  8. 16
    Available Aired on Feb 28, 2006
  9. 15
    Available Aired on Feb 07, 2006
  10. 14
    Available Aired on Jan 24, 2006
  11. 12
    Available Aired on Jan 10, 2006
  12. 11
    Available Aired on Dec 13, 2005
  13. 10
    Available Aired on Nov 29, 2005
  14. 9
    Available Aired on Nov 22, 2005
  15. 8
    Available Aired on Nov 08, 2005
  16. 7
    Available Aired on Nov 01, 2005
  17. 6
    Available Aired on Oct 25, 2005
  18. 5
    Available Aired on Oct 18, 2005
  19. 4
    Available Aired on Oct 11, 2005
  20. 3
    Available Aired on Oct 04, 2005
  21. 2
    Available Aired on Sep 27, 2005
  1. 23
    Available Aired on May 24, 2005
  2. 22
    Available Aired on May 10, 2005
  3. 21
    Available Aired on May 03, 2005
  4. 20
    Available Aired on Apr 26, 2005
  5. 19
    Available Aired on Apr 12, 2005
  6. 16
    Available Aired on Mar 01, 2005
  7. 15
    Available Aired on Feb 22, 2005
  8. 14
    Available Aired on Feb 15, 2005
  9. 13
    Available Aired on Feb 08, 2005
  10. 12
    Available Aired on Jan 18, 2005
  11. 11
    Available Aired on Jan 11, 2005
  12. 10
    Available Aired on Dec 14, 2004
  13. 9
    Available Aired on Dec 07, 2004
  14. 5
    Available Aired on Oct 26, 2004
  15. 4
    Available Aired on Oct 19, 2004
  16. 2
    Available Aired on Oct 05, 2004
  17. 1
    Available Aired on Sep 28, 2004
  1. 23
    Available Aired on May 25, 2004
  2. 22
    Available Aired on May 18, 2004
  3. 21
    Available Aired on May 11, 2004
  4. 20
    Available Aired on May 04, 2004
  5. 19
    Available Aired on Apr 27, 2004
  6. 18
    Available Aired on Apr 06, 2004
  7. 17
    Available Aired on Mar 16, 2004
  8. 16
    Available Aired on Mar 02, 2004
  9. 15
    Available Aired on Feb 24, 2004
  10. 14
    Available Aired on Feb 17, 2004
  11. 13
    Available Aired on Feb 10, 2004
  12. 11
    Available Aired on Jan 13, 2004
  13. 10
    Available Aired on Jan 06, 2004
  14. 9
    Available Aired on Dec 16, 2003
  15. 8
    Available Aired on Nov 25, 2003
  16. 7
    Available Aired on Nov 18, 2003
  17. 6
    Available Aired on Nov 04, 2003
  18. 5
    Available Aired on Oct 28, 2003
  19. 4
    Available Aired on Oct 14, 2003
  20. 3
    Available Aired on Oct 07, 2003
  21. 2
    Available Aired on Sep 30, 2003
  22. 1
    Available Aired on Sep 23, 2003

Watch NCIS season 13 episode 24 (S13E24)

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NCIS, FBI and MI6 continue an international manhunt for an escaped British spy who is targeting current and former agents.

Watch NCIS season 13 episode 23 (S13E23)

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The NCIS team, alongside the FBI and MI6, continue an international manhunt for an escaped British spy who has left one colleague fighting for their life in ICU.

Watch NCIS season 13 episode 22 (S13E22)

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When a 14-year-old foils a home invasion, Gibbs suspects the teenager is withholding pertinent details. Also, Director Vance and Senior FBI Agent Fornell travel to London as part of the ongoing escaped British spy case.

Watch NCIS season 13 episode 21 (S13E21)

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Gibbs and Senior FBI Agent T.C. Fornell unite after two British prisoners, including a former spy, escape and arrive stateside via a shipping container. Also, McGee is busy apartment hunting and determined to find out how DiNozzo purchased his lavish place.

Watch NCIS season 13 episode 20 (S13E20)

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Tony's identity is stolen by multiple perpetrators who go on to blackmail politicians.

Watch NCIS season 13 episode 18 (S13E18)

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The NCIS team re-examines an ambush on a group of Special Ops snipers in Iraq after an American couple is attacked in the same area six months later. When Gibbs discovers he needs the account of the lone survivor, Marine Gunnery Sergeant Aaron Davis, he tries to connect with the wounded warrior who is being treated for PTSD at Walter Reed Medical Center.

Watch NCIS season 13 episode 17 (S13E17)

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The NCIS agents’ personal plans are interrupted when each of them catches errors in a seemingly cut-and-dried closed case. Also, McGee and Delilah argue over the importance of not discussing work during dinner, while DiNozzo bores his date with shop talk.

Watch NCIS season 13 episode 16 (S13E16)

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Doctor Cyril Taft experiences the rush of an NCIS case after he is assigned surgical duty to Gibb’s suspect and finds key evidence. Also, Dinozzo pays Jeanne Benoit a visit as he chases a lead involving doctors in Sudan.

Watch NCIS season 13 episode 15 (S13E15)

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When Secretary of the Navy Sarah Porter learns her daughter has been kidnapped, the NCIS team partners with the FBI to track the case, determine a motive and bring her home. Also, McGee’s childhood friend, NCIS Special Agent Valerie Page is in town to assist the team with advance tactics training

Watch NCIS season 13 episode 14 (S13E14)

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Four deep sea divers stay inside a diving chamber with a deceased body in order to decompress. The dead body belongs to a retired petty officer who died in mysterious circumstances. The NCIS team will try to crack the case from land while the divers spend four days with the body.

Watch NCIS season 13 episode 12 (S13E12)

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The passengers and crew of a private plane traveling from New Orleans to Washington, D.C., are poisoned and the evidence points to Abby's brother, the aircraft's missing chef. The episode concludes on "NCIS: New Orleans."

Watch NCIS season 13 episode 11 (S13E11)

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After Ducky is attacked by a man claiming to have information about his half-brother who died decades ago, the NCIS team searches for the perpetrator, as Ducky recalls the final emotional days he had with his sibling. Also, with the holidays approaching, Bishop and Jake discuss the future of their relationship.

Watch NCIS season 13 episode 10 (S13E10)

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The Secretary of Defense calls on NCIS to help a sailor who is battling leukemia to locate a donor for a bone marrow transplant, after two of his siblings are killed in the line of duty. Meanwhile, Bishop returns home to Oklahoma for Thanksgiving.

Watch NCIS season 13 episode 9 (S13E09)

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In order to clear his name, a petty officer volunteers to be court martialed if NCIS agrees to conduct its own investigation after his murder case is dismissed due to a mishandled warrant. Also, Bishop and Jake discuss their marital problems.

Watch NCIS season 13 episode 8 (S13E08)

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DiNozzo is reunited with his ex-girlfriend, Jeanne Benoit, when insurgents in Sudan attack a group of volunteer doctors, including her husband. DiNozzo and McGee travel to the crime scene for the joint murder and kidnapping case and join the search for the missing doctors.

Watch NCIS season 13 episode 7 (S13E07)

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The NCIS murder case of a retired Navy Lieutenant Commander forces Ducky to reveal his participation in a secret society that solves cold cases.

Watch NCIS season 13 episode 5 (S13E05)

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While visiting a pharmaceutical lab on a murder case, Abby is trapped with no communication to the outside world after armed men take over the building and hold everyone hostage.

Watch NCIS season 13 episode 4 (S13E04)

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Vance partners with Gibbs and returns to field duty when a murder case is connected to a former NCIS agent he locked up for stealing evidence.

Watch NCIS season 13 episode 3 (S13E03)

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After a Marine is found murdered in Quantico hours after calling Gibbs to discuss a possible case, Bishop and McGee go undercover as a married couple to run surveillance on a Marine Lieutenant and his wife.

Watch NCIS season 13 episode 2 (S13E02)

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Gibbs calls on the team to assist DEA Agent Luis Mitchell with a case that keeps going cold, but DiNozzo discovers there is more to Gibbs’ personal connection to the agent and his desire to help him succeed. Also, the team gossips about Gibbs’ new look after he replaces his standard military haircut and polo shirt for a modern cut and tailored dress shirt.

Watch NCIS season 12 episode 24 (S12E24)

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NCIS feverishly investigates a global terrorist group that is recruiting teens via the Internet, following a deadly bombing overseas that results in an emotional and surprising loss for the team.

Watch NCIS season 12 episode 23 (S12E23)

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The NCIS cyber case turns into a united global effort after evidence confirms “The Calling,” an international terrorist group that recruits children through the internet, has been purchasing S-bombs off the black market.

Watch NCIS season 12 episode 22 (S12E22)

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Special Agent Ned Dorneget from NCIS cyber operations assists the team when a Navy ensign who worked in the Office of Naval Intelligence is murdered. Also, the team discovers that Jake and Gibbs have become good friends.

Watch NCIS season 12 episode 21 (S12E21)

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Gibbs and Bishop travel to Afghanistan after the murder of a Marine in D.C. is linked to a terror group holding another Marine hostage overseas. Also, DiNozzo is upset that McGee was chosen to be the new face of NCIS for all recruitment brochures,

Watch NCIS season 12 episode 20 (S12E20)

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DiNozzo is partnered with his girlfriend ATF Special Agent Zoé Keates after evidence reveals that the murder weapon in an NCIS case was originally purchased for the controversial ATF sting operation “Operation Fast and Furious.” Also, Anthony DiNozzo Sr. returns to town for a special dinner to meet his son’s girlfriend.

Watch NCIS season 12 episode 18 (S12E18)

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After the body of a thief is found in a Marine’s house, NCIS discovers the calling card of a terror group Delilah and the Department of Defense have been tracking.

Watch NCIS season 12 episode 17 (S12E17)

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Evidence in an NCIS murder case reveals a rare painting on loan had been swapped for a fake, prompting DiNozzo, Sr. to share his knowledge and contacts of the black market art world with the team.

Watch NCIS season 12 episode 16 (S12E16)

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A covert identity created for one of Gibbs’ undercover cases from 20 years ago resurfaces when a murder victim is found living under the alias.

Watch NCIS season 12 episode 15 (S12E15)

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The NCIS team suspects Gibbs' arch-nemesis is behind an explosion at a global terrorism summit. Gibbs elects to sit out the investigation in order to help a grief-stricken Fornell, whose life is on the verge of imploding following his wife’s murder.

Watch NCIS season 12 episode 13 (S12E13)

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Gibbs and the team investigate when a Navy lieutenant who is set to be the first openly gay servicemember to receive the Medal of Honor is murdered. Also, as his wife's due date approaches, Palmer prepares for fatherhood with an NCIS baby shower. Rocky Carroll makes his directorial debut.

Watch NCIS season 12 episode 12 (S12E12)

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The NCIS team searches for a home-grown terrorist after a rescue mission in Syria reveals an American was involved in the capture of a social worker. Meanwhile, McGee and Bishop question DiNozzo’s unusual behavior.

Watch NCIS season 12 episode 11 (S12E11)

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The NCIS team investigates copy-cat crime scenes while Gibbs navigates two ex-wives relentlessly trying to get his attention.

Watch NCIS season 12 episode 10 (S12E10)

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The NCIS team consults with three cyber-terrorists they imprisoned after a city-wide Internet shutdown the week before Christmas. Also, McGee reflects on the case and Gibbs' infamous rules as he pens a heartfelt letter to his father.

Watch NCIS season 12 episode 9 (S12E09)

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While stuck at the Dulles airport due to inclement weather, DiNozzo, Bishop and her husband Jake work an NCIS case involving an elevated terrorist threat at Northeast airports during the Thanksgiving travel surge. Jamie Bamber guest stars.

Watch NCIS season 12 episode 8 (S12E08)

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While the NCIS team investigates the cause of a hit and run accident that resulted in the death of a Petty Officer, Gibbs searches for a way to clear a Navy Hospital Corpsman, who has served two medical tours in Afghanistan, after she's indicted for illegally providing medical aid to the victims of the crash, even though the surviving victims swear by her life-saving techniques.

Watch NCIS season 12 episode 7 (S12E07)

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After investigating the murder of a retired Master Sergeant, the NCIS team uncovers a fraudulent charity that preys on those searching for missing military personnel. Meanwhile, Bishop agonizes over the results of her probation evaluation, and Tony contemplates adopting stray cat that followed him home.

Watch NCIS season 12 episode 6 (S12E06)

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The NCIS team must determine if the murder of a Navy commander's wife is linked to her profession as a therapist or an act of terrorism after finding the commander's name on a Jihadist target list. Meanwhile, the team discusses Halloween costumes and Tony's recent dating habits.

Watch NCIS season 12 episode 5 (S12E05)

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During a joint Coast Guard and NCIS training exercise at sea, Gibbs and CGIS Agent Borin spot a deceased man overboard, who is discovered to be a missing crew member from a ship 60 nautical miles away. Upon boarding the ship for questioning, Gibbs finds himself on a vessel that has been commandeered by pirates.

Watch NCIS season 12 episode 4 (S12E04)

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The Secretary of the Navy assigns the NCIS team to a joint terrorism task force after a Naval research scientist is murdered and the lead suspect is wanted by the Russian government. In order to get a jump on the case, Gibbs has DiNozzo run interference with the leader of the task force, FBI Agent Leia Pendergast.

Watch NCIS season 12 episode 2 (S12E02)

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When a Navy Lieutenant is killed on his way to a private meeting with the President, the NCIS team must determine if the murder was part of a recent stream of muggings in the area or a targeted hit to keep intel secret.

Watch NCIS season 12 episode 1 (S12E01)

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Gibbs and McGee travel to Russia to safely escort home an NCIS computer engineer connected to classified intel, but their mission is compromised and they are forced to go off the grid while hunted by a Russian mercenary group. Meanwhile, the team in D.C. frantically uses every asset and inter-agency contact they have in an attempt to locate their missing team members.

Watch NCIS season 11 episode 24 (S11E24)

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The NCIS team investigates whether a fire on a U.S. Navy ship that served as a secret detention site for indicted terrorists was accidental or an intentional diversion for an escape. Meanwhile, Gibbs travels to his childhood home following news of his father’s passing.

Watch NCIS season 11 episode 23 (S11E23)

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Director Vance gives DiNozzo a special assignment to bring home an Admiral’s daughter from Paris, but he must turn to his NCIS team for help after he enters a controversial crime scene.

Watch NCIS season 11 episode 22 (S11E22)

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When a Marine photographer disappears prior to providing his testimony in an Army court-martial hearing, the NCIS team investigates both the murder he witnessed as well as his current piece on military veterans who are homeless in the D.C. area. Meanwhile, Abby tries to help a young homeless woman reconnect with her family.

Watch NCIS season 11 episode 21 (S11E21)

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After a Navy officer is found dead on a rural road, the NCIS team must ascertain if the murder was the result of a bar fight or because he knew too much about an attack on a fellow female officer. Meanwhile, DiNozzo and McGee start a juice cleanse to purge their bodies of impurities.

Watch NCIS season 11 episode 20 (S11E20)

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After returning to her job at the Department of Defense, McGee’s girlfriend Delilah finds a break in a controversial case, prompting her to turn to the NCIS team for help. Meanwhile, McGee talks to DiNozzo about whether he should ask Delilah to move in.

Watch NCIS season 11 episode 19 (S11E19)

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Gibbs and Special Agent Pride chase leads in New Orleans after evidence points to a copycat of the infamous Privileged Killer. Meanwhile, Bishop sends DiNozzo a special souvenir from the Crescent City, as DiNozzo, McGee and the FBI continue to track political connections to the case from D.C.

Watch NCIS season 11 episode 18 (S11E18)

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When a former NCIS agent's body washes ashore in New Orleans, Gibbs reunites with NCIS Special Agent Dwayne Cassius Pride (Scott Bakula) to determine if the murder was politically motivated or related to a well-known case.

Watch NCIS season 11 episode 17 (S11E17)

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After a bomb detonates in the dressing room at a military charity concert, the NCIS team must determine if the target was a washed-up ‘80s rocker or if the bomb was part of a larger scheme. Meanwhile, Jimmy prepares for fatherhood

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Someone winds up dead when DiNozzo confronts a man impersonating a Navy officer; DiNozzo's father needs to share a secret with his son.

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A port authority officer's murder reveals a possible location for Parsa; Bishop reveals a past connection to the terrorist.

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In an effort to find the terrorist Parsa, Gibbs and the NCIS team track down one of his cohorts using evidence from the drone attack. Meanwhile, an emotionally shaken McGee struggles with the ramifications of the incident.

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When a stolen drone is linked to the elusive terrorist Parsa, the NCIS team partners with the Department of Defense, including Gibb’s former girlfriend Hollis Mann, to track down the device before it is used for a large scale attack. Meanwhile, McGee hesitates to ask for time off to attend a black-tie gala honoring his girlfriend.

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After a mysterious illness strikes children from military families, Gibbs and the team investigate the cause. Meanwhile, Abby and Jimmy partner with the Naval Medical Research Center to determine the strain of illness, all in hopes of delivering a cure before the holidays. Also, Director Vance struggles with forgiveness as his estranged father-in-law makes a surprise visit to his home.

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Complications arise when the NCIS team discovers a link between a murder victim and the current boyfriend of Gibbs and Agent Fornell’s ex-wife. Meanwhile, NSA Analyst Ellie Bishop adjusts to joining the NCIS team.

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After discovering the Secretary of the Navy was bugged during a confidential briefing, NSA Analyst Eleanor “Ellie” Bishop, who predicted the security breach in exact detail two years ago, partners with the NCIS team on the case.

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The team is forced to take another look at a hit-and-run murder case; McGee becomes suspicious of Tony's unusual behavior.

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After Gibbs leaves mid-case to help his father reconnect with a former war pilot, Tony and McGee argue over who should run lead on the team’s investigation into the murder of a Marine Sergeant.

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The Coast Guard Investigative Service works with the NCIS team when an explosion occurs on an oil rig; a mysterious prankster targets the team.

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DiNozzo returns to his Baltimore Police Department days when he sees a felony suspect from a 15-year-old case at the NCIS crime scene of a murdered Petty Officer.

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Gibbs and McGee travel to Afghanistan when a murder case leads them to an Afghan women’s shelter Mike Frank’s secretly supported for years.

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The NCIS team must rely on Twitter for a case involving a missing Navy Lieutenant. Meanwhile, McGee misplaces his badge but withholds the information from Gibbs and the authorities.

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Determined to locate Ziva, Tony chases leads in Israel in search of her current whereabouts. Meanwhile, Gibbs and the team continue the hunt for Parsa and his growing terrorist ring.

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An explosion at a D.C. event that results in a casualty connected to the agency changes Parsons’ perspective on Gibbs and the NCIS team. Meanwhile, without badges, DiNozzo and McGee investigate the case as civilians, despite the case’s dangerous ties to each of them.

Watch NCIS season 10 episode 24 (S10E24)

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"Damned If You Do" is the 24th episode of the tenth season of the American police procedural drama NCIS, and the 234th episode overall. It originally aired on CBS in the United States on May 14, 2013. The episode is written by Gary Glasberg and directed by Tony Wharmby, and was seen by 18.79 million viewers.

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"Double Blind" is the 23rd episode of the tenth season of the American police procedural drama NCIS, and the 233rd episode overall. It originally aired on CBS in the United States on May 7, 2013. The episode is written by Christopher J. Walid and Steven D. Binder and directed by Dennis Smith, and was seen by 17.56 million viewers.

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"Revenge" is the 22nd episode of the tenth season of the American police procedural drama NCIS, and the 232nd episode overall. It originally aired on CBS in the United States on April 30, 2013. The episode is written by George Schenck and Frank Cardea and directed by James Whitmore, Jr., and was seen by 18.29 million viewers. The story arc was initiated in January when secondary characters Eli David and Jackie Vance were killed off in a shooting at the end of "Shabbat Shalom". Subsequent episodes featured Ziva David and Leon Vance's efforts to find the killer, eventually revealed to be Eli's protégé Ilan Bodnar, and exact vengeance. In the closing scenes of the previous episode, "Berlin", Tony and Ziva are in a car crash instigated by Bodnar. "Revenge" focuses on the team's hunt for Bodnar against the wishes of Homeland Security, culminating in Vance and Ziva finally getting closure when the latter kills him in a physical fight to the death.

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"Berlin" is the 21st episode of the tenth season of the American police procedural drama NCIS, and the 231st episode overall. It originally aired on CBS in the United States on April 23, 2013. The episode is written by Scott Williams and Gina Lucita Monreal and directed by Terrence O'Hara, and was seen by 17.33 million viewers. According to executive producer Gary Glasberg, "'Berlin' functions as both a significant part of the [Bodnar] story and has a tremendous Tony/Ziva personal story line that goes along with it." It carries the storyline surrounding the deaths of Ziva's father, Mossad Director Eli David, and Vance's wife, Jackie, who were both killed off in the January episode "Shabbat Shalom". Ziva continues to pursue revenge against Eli's killer, Ilan Bodnar, and Vance continues to endorse her actions despite orders from Homeland Security to rein them in. "Berlin" introduced the new Mossad director, Orli Elbaz, portrayed by Marina Sirtis. Several actors reprised their roles from previous episodes, including Gabi Coccio as young Ziva, Ben Morrison as young Eli, and Oded Fehr as Ilan Bodnar. The installment was generally well-received, with the ratings being up from the previous week and critics giving it favorable reviews. The network and producers advertised the reported development of Ziva's relationship with Tony within the episode. Particularly, a scene in which the characters dance together while in Berlin was heavily promoted and received favorable commentary from reviewers.

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"Chasing Ghosts" is the 20th episode of the tenth season of the American police procedural drama NCIS, and the 230th episode overall. It originally aired on CBS in the United States on April 9, 2013. The episode is written by Nicole Mirante-Matthews and directed by Arvin Brown, and was seen by 17.22 million viewers. While the team takes a missing persons case, Tony is disturbed by Ziva's way of coping with her father's death.

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"Squall" is the 19th episode of the tenth season of the American police procedural drama NCIS, and the 229th episode overall. It originally aired on CBS in the United States on March 26, 2013. The episode is written by Bill Nuss and directed by Tom Wright, and was seen by 18.62 million viewers. The team investigates death of a navy medical officer aboard a ship that went through a storm. The prime suspect turns out to be a 4-star admiral, who is also McGee's estranged father.

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"Seek" is the 18th episode of the tenth season of the American police procedural drama NCIS, and the 228th episode overall. It originally aired on CBS in the United States on March 19, 2013. The episode is written by Scott Williams and directed by Michael Weatherly, and was seen by 19.79 million viewers. In the episode, a widowed Marine wife, whose husband was seemingly killed by a Taliban sniper, asks Gibbs' help to find out the truth. Meanwhile Vance is conducting interviews for a nanny.

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A media frenzy surrounding an unidentified criminal prompts Gibbs’ barber to question his son’s involvement and ask for Gibbs’ help in ruling out his son as a prime suspect.

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The NCIS team races to track down Ducky and Jimmy after the two disappear while transporting a body from a crime scene.

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On leave from NCIS while still grieving the loss of his wife and his kids’ mother, Director Vance discovers unexpected personal information that causes him to question everything.

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"Canary" is the fourteenth episode of the tenth season of the American police procedural drama NCIS, and the 224th episode overall. It originally aired on CBS in the United States on February 5, 2013. The episode is written by Christopher J. Waild and directed by Terrence O’Hara, and was seen by 21.79 million viewers.

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The NCIS team investigates a Marine’s car accident and ignites some upsetting past memories for Abby as a young girl on the trail of her first “case”.

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In the aftermath of an event that strikes close to home, the NCIS team unites to seek answers and demand justice in order to protect their most vulnerable colleagues.

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While the NCIS team investigates the link to a dead journalist and a Navy petty officer, Ziva is taken aback by the sudden emotional visit by her father, who she hasn't seen in more than two years. While Ziva questions the purpose of her father's visit as the Director of Mossad, her father insists he is in the U.S. strictly to see his daughter for Shabbat dinner.

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It’s Christmas time and Tony DiNozzo can’t decide if he’ll be naughty or nice when his dad, Anthony DiNozzo, Sr., comes to town for a visit. Meanwhile, the NCIS team is “following the money” in order to solve a murder investigation, and Abby is bursting with excitement over all the holiday festivities.

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Gibbs teams up with FBI Agent Fornell on a joint NCIS/FBI investigation after Fornell becomes the target of a shooting, but they face an unexpected twist in the case when their mutual ex-wife, Diane Sterling, gets involved. Meanwhile, rumors run wild among the group after Diane stays overnight at McGee’s.

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As the NCIS team investigates a teenage girl’s abduction, Ziva and Abby work closely with her young friend who witnessed the kidnapping. As the investigation unfolds, Gibbs seeks help from a past contact, Miranda Pennebaker, a well-connected woman with questionable morals. Meanwhile, Tony gets jealous when he learns Ziva is making plans with a mysterious man.

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Gibbs continues to work with Captain Wescott while he retraces his steps in order to help the NCIS team track down a terrorist. With Thanksgiving on the horizon, Abby’s enthusiasm for the NCIS family dinner is building, and Tony’s curiosity is peaking when he learns Ziva is making special plans for the opera.

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When a Navy Lieutenant who recently returned home from the Middle East is found dead from a brutal attack, the NCIS team questions the victim’s friend, Marine Captain Joe Wescott. Gibbs realizes the Captain is suffering from post-traumatic stress disorder, but knows his experience overseas may also provide a key link to the crime.

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The team investigates a helicopter crash at sea and tries to find the missing pilot. Meanwhile, Ziva challenges Tony and McGee to a dare.

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When a helicopter crew is adrift at sea and later discovered on shore, the NCIS team must determine the cause of the crash and locate the missing pilot. Meanwhile, Tony and McGee channel their inner “Maverick” and “Iceman,” a la “Top Gun,” and Ziva challenges them to a dare.

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While on medical leave, Ducky orders the exhumation of a Navy commander’s body from a case closed 12 years ago. As a result, Gibbs tasks Ducky with a slightly different role on the investigation. Meanwhile, the NCIS team investigates the recent death of a Marine. As both cases unfold, the team begins to question whether the two are somehow connected.

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When the body of a missing NCIS facilities manager is found four months after disappearing on the day of the Navy Yard bombings, the NCIS team is assigned to investigate the strange case for one of their own. Meanwhile, the team is required to complete mandatory psych evaluations with a crisis counselor, and Gibbs is most concerned about Abby’s recurring nightmares since the bombing.

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With NCIS headquarters damaged by the bomb. Gibbs goes on the hunt for Harper Dearing and to bring him down once and for all.

Watch NCIS season 9 episode 24 (S09E24)

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Terrorism shakes the foundations of the Navy and NCIS to such an extent that Gibbs and the team face surprises that will devastate them.

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The NCIS team analyzes what secrets could be in the hands of a terrorist targeting the Navy when a high-tech bug is found inside a probationary agent’s tooth. Meanwhile, the festivities for Jimmy Palmer’s upcoming wedding continue with the bachelor party.

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The NCIS investigation of a fire on a Navy vessel reveals evidence that elevates security at all U.S. Navy facilities worldwide. Meanwhile, DiNozzo and Ziva travel to Italy when an explosive device is found hidden on a Navy ship.

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After a warehouse fire reveals missing Navy documents, posing a potential threat to national security, the NCIS team joins the Baltimore P.D. investigation, reuniting Tony with a boy from his past.

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Following the murder of a Marine, Tony and Ziva join Ziva’s longtime friend and mentor in Columbia in a search for a missing Marine Lieutenant and Navy Chaplain. Meanwhile, Jimmy Palmer decides who will be his best man.

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A case hits close to home when the lead suspect in the murder of a petty officer is Director Vance's brother-in-law.

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The Secretary of the Navy partners Gibbs with Dr. Samantha Ryan after top secret information is leaked by someone on the inside.

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Top-secret clearance from a Naval research laboratory is jeopardized when the murder of a Chief Petty Officer is connected to an international arms dealer. Meanwhile, Probationary Agent Ned Dorneget tries to butter up Gibbs in hopes of joining the team.

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Gibbs clashes with Dr. Samantha Ryan (guest star Jamie Lee Curtis) over the truth behind a navy reservist's possible suicide

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When a Navy captain is found dead with an unusual costume hidden under his uniform, NCIS uncovers a secret society of real-life super heroes and must track down the villain.

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During a routine stop for his morning coffee, Gibbs finds himself staring down the barrel of a gun, forcing him to question choices he has made in the past and present

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When a Navy lieutenant commander is found dead in a building under construction, NCIS must search for a killer while dealing with interruptions from her distraught detective husband. Meanwhile, Ray’s return has Ziva thinking about her future.

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The investigation into the murder of a Navy Commander leads the NCIS team to E.J. Barrett’s whereabouts.

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When a Navy captain is killed in a hotel room, NCIS must track down and protect his very pregnant companion from unknown assailants. Meanwhile, Jimmy has problems of his own when he brings his future father-in-law to work.

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After Anthony DiNozzo, Sr. is found in a car with a dead body in the trunk and no memory of the previous night, the NCIS team must figure out if he is capable of murder. Meanwhile, Tony is sidelined for this case and must go against orders to try and prove his father’s innocence.

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As the NCIS team continues its search for a missing Marine, Gibbs and Ziva travel to her last known whereabouts in Afghanistan. Meanwhile, Tony reveals his deepest fears and Gibbs is forced to relive events from his past.

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The NCIS team uncovers a discrepancy with DNA remains when investigating the crash of a military plane that had been transporting caskets.

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The NCIS team searches for answers when the current husband of both Gibbs's and Fornell's ex-wife is suspiciously kidnapped.

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An NCIS case changes from accidental death to murder when evidence reveals that a Navy lieutenant died of forced over-hydration. Meanwhile, Gibbs meets Ducky's new love interest.

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When a coast guard officer is gunned down on a cargo vessel, the NCIS team searches for the killer, but finds a Lebanese family seeking refuge on American soil. Meanwhile, Tony and McGee try and find the perfect woman for Gibbs.

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The NCIS team searches for the person and motive behind a contract killer targeting a Navy Lieutenant Commander. Meanwhile, Abby uncovers new information about her family after undergoing tests for a kidney donation.

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The line between McGee's personal and professional life is blurred when NCIS uncovers a connection between his grandmother and the murder of a Navy Lieutenant.

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The NCIS team uncovers a startling surprise after a young Marine shows up to his homecoming party with a fatal stab wound.

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Gibbs and the NCIS team have to find answers regarding Tony's months-long assignment when an NCIS agent is found dead.

Watch NCIS season 8 episode 24 (S08E24)

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The lives of NCIS members are in jeopardy when they come face-to-face with the infamous Port-to-Port killer, on the eighth season finale of NCIS.

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After new evidence reveals that the Port-to-Port killer has infiltrated the agency, the NCIS teams chase every lead in a race to track him down.

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After Tony's ex-partner, Danny Price, appears to be the Port-to-Port Killer's latest victim, he revisits his days as a detective in Baltimore, including his first encounter with Gibbs.

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The NCIS team tracks a Navy lieutenant's killer after a Pentagon security camera reveals a petty officer committing the crime. Meanwhile, Gibbs announces that Agent Barrett and her team will take over the Port-to-Port serial killer case.

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To Gibbs' displeasure, Special Agent E.J. Barrett returns to lead the investigation of a seaman's death that may be connected to a series of port-related murders. Meanwhile, Ziva finally introduces her boyfriend, Ray, to the team.

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NCIS connects a message in blood left by a murdered Navy commander to a manuscript that may contain classified military information.

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Gibbs questions Vance's motives when he is asked to interrogate a teenage boy accused of killing his retired Marine father.

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NCIS discovers that one of its former investigative assistants found brutally stabbed to death was selling details for how to rob a warehouse full of valuable possessions belonging to a woman convicted of fraud. Meanwhile, a new special agent joins the office.

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The dismembered fingertips and teeth of a murdered Marine are discovered in the stolen purse of a pickpocketer, launching NCIS on a mission to find a cold-blooded killer.

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A botched assassination attempt in Belgravia forces NCIS to protect the Defense Minister's daughter, who is studying in the U.S. and smitten with McGee. Meanwhile, Gibbs investigates the death of the U.S. Marine who was killed in the bombing.

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The NCIS team undergoes mandatory psych evaluations while investigating the death of a naval commander.

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The NCIS team springs into action to find the assailant responsible for beating a Marine to death in his own backyard.

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A petty officer's recruitment session at a college fair comes to a fatal end, prompting the NCIS team, accompanied by Dr. Mallard's predecessor, to solve his murder.

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Gibbs and the NCIS team partner with a Coast Guard Investigative Service (CGIS) Agent to solve the murder of a Marine gunned down on a dinner boat.

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The NCIS team investigates the disappearance of a Navy petty officer who is the sole witness in an upcoming murder trial.

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The team scrambles for answers after a shocking ambush reveals a new twist to their current investigation.

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The team is assigned to protect Ziva's father, when his attendance at a NCIS conference leads to some unexpected surprises.

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The team is surprised when Gibbs asks Tony's father to join them in a murder investigation.

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Abby becomes fixated on solving a murder; DiNozzo's latest fling leads to an interesting Halloween.

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The team uncovers a sinister plan when a controversial DJ and a naval officer are shot to death.

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The team investigates a bomb tech's guarded personal life after she is attacked.

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The NCIS team has to find a young girl that was kidnapped, but their investigation turns into something else when her grandfather gets way too involved.

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Gibbs must take desperate measures to protect his loved ones with Paloma Reynosa still on the loose.

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Gibbs heads to Mexico to face his demons and make a startling decision.

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When a colleague's murder sends shockwaves through the team, Gibbs uncovers a surprising link to the crime.

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The team tries to track down a serial killer, while Abby heads south of the border to give a speech with McGee in tow.

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DiNozzo finds himself increasingly captivated by a woman he's never met while investigating the murder of her brother.

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When an NCIS polygraph specialist's night job takes a dangerous turn, Gibbs, Fornell and the team have to uncover the truth.

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The death of a Navy officer leads Gibbs and the team into the world of high-priced call girls, relying on D.C. Madam Holly Snow to help them catch a killer.

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The team discovers striking similarities between themselves and their CGIS (Coast Guard Investigative Services) counterparts when a Navy diver seeking sunken treasure is found dead.

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Gibbs and the team investigate the shooting of a Marine and uncovers more to his life than anyone would have ever imagined.

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Secrets arise when Gibbs former mother-in-law surfaces as a witness in a murder investigation.

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When a Marine is found dead, Gibbs, Fornell and the team hit the open road to bust an illegal trucking operation.

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The team finds themselves in a race against time when a terrorist group threatens to detonate a "dirty bomb" in the D.C. area.

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While on the flight back from Paris, Tony and Ziva realize that their assignment to protect a government witness in an embezzlement case is in great danger when they learn that an assassin is located on the same flight.

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Gibbs is worried about Tony's ability to handle his job when Tony's father turns out to be linked to their newest investigation, an assassination attempt on a foreign prince.

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When a Navy pilot is found dead under strange circumstances in a secluded area, the team finds themselves battling a no-nonsense attorney with a hidden agenda.

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The body of the son of a retired Colonel-turned-preacher is found and the team have their suspicions that he may be the victim of a hate crime. Meanwhile, Gibbs gets a holiday visit from his father.

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Dead Marine's day job at a government think tank leads Gibbs and the team into the life of a 12-year-old prodigy who may be the killer's next target.

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The team literally finds themselves in the dark when the investigation into the death of a lieutenant is connected to a city-wide blackout.

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A murder investigation prompts Gibbs and the team to play family counselor to his former mentor, Mike Franks, in the hopes of preventing a bloody international conflict.

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When a Marine known for his practical jokes is found dead on Halloween Eve, the NCIS team discovers that the victim's "good-natured" pranks may have inspired ghoulish retribution. Meanwhile, Ziva tries to adjust to her new role on the team.

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When a Marine's body surfaces halfway around the world, the investigation forces Ziva to dig up a buried chapter of her life.

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The team must take a second look into the death of a lieutenant after the blogger who accused them of a cover-up ends up dead.

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The team discovers the bizarre death of a Marine and his two friends may be linked to their past, but its Gibbs who ends up taking a trip down memory lane.

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As the hunt for Ziva's replacement begins, Gibbs and his remaining team members must head back to work with the past still weighing heavily on their minds.

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Ziva's homecoming to Israel with Gibbs and the team is not a happy reunion with her father, the enigmatic and powerful head of Mossad. As tensions rise, Gibbs is forced to make a decision that sends shock waves through NCIS.

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After a security breach at the SecNav's residence leads to the death of an ICE agent, Gibbs and the team are forced to work with ICE and the FBI to find his killer. Meanwhile, Tony finally comes face-to-face with Michael Rivkin.

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When a government scientist goes missing, Abby is recruited to carry on his work, but the team worries that she may meet the same fate as her predecessor.

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Gibbs and the team must work with the shady Trent Kort to put away one of NCIS's most wanted.

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When a young boy finds a murder weapon, the team must trace ownership of the gun to find who used it last and who was murdered.

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When a fellow agent is murdered, the NCIS teams heads into the desert to locate a woman who might hold the answer to the mystery murder.

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A murder prompts the reopening of one of Tony's old investigations, leading Gibbs and DiNozzo to reverse roles to solve the case.

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Demons of the past come back to haunt Gibbs when he finds a cryptic message waiting for him at a crime scene.

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The team discovers a link between a sergeant's murder and his possibly treasonous private life.

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Secrets from Ducky's clandestine past come to the forefront after he's attacked at a crime scene. The team uncovers disturbing secrets from the good doctor's past.

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The NCIS team must reveal the truth behind the murder of a jail guard which resulted in a prison riot and McGee being held captive by the inmates.

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During the week of Christmas, The Team is Forced to work overtime when they discover their prime suspect had been dead for 17 years.

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The team investigates the death of a petty officer and discovers he may have been leading a violent secret life.

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The team is forced to rely on information from questionable sources while trying to stop a criminal bent on stealing government secrets.

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A strange delivery in a box arrived at the Navy facilities: The delivery driver and a Navy MP officer discover it is a sailor's corpse. A shocking revelation comes to light after the team is forced into playing a dangerous war game.

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A Navy bank has been robbed. NCIS is responsible for the investigation. One of the new recruits assigned to the fraud unit, Special Agent Dwayne Wilson, joins the team to help.

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Gibbs and his team are searching for a cyber serial killer who takes videos of his victims. The team quickly finds out that the video's of the dead victims are false.

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Gibbs' hunt for the killer of a marine puts him on a collision course with an old friend.

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When a murder investigation leads the team to Gibbs' hometown, secrets about his past are revealed.

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When a petty officer is found murdered, Gibbs learns about the mysterious connection between the disbanding of his team and the case.

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When one of their own is killed, the team must find the killer before they get to another member of the team, Gibbs. In an emotional investigation, the team tries to stay together, against the wishes of Assistant Director Vance.

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When a former NCIS agent is found dead, the entire team is put in danger as they hunt after the killer.

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Palmer is put in grave danger when he becomes the target of an anonymous murderer, whom only he can recognize.

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While on an undercover mission, Ziva's life is put in grave danger when the serial killer she's been tracking becomes suspicious of her.

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Two members of the NCIS team are sent to Baghdad to investigate a Mortar attack that turned into a murder investigation.

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The dead body of La Grenouille finally surfaces and the entire NCIS is put under the investigation by the FBI, with Jenny as the prime suspect for his murder.

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When a dog owner is found murdered, the NCIS team must determine if his dog committed the murder or not, and Abby decides to fight for the dog's life by trusting her instinct about the dog's innocence. Meanwhile, Gibbs learns about Jenny's secret.

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The NCIS team goes on a stakeout in a warehouse to catch a suspected thief of a high-tech naval radar, but they accidentally end up witnessing a murder. Meanwhile, Ducky hides a secret from the rest of the team.

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After a young Muslim Marine is murdered near his Mosque, Ducky refuses to perform autopsy due to his religious beliefs, so the NCIS team tries to talk to the father of the deceased, and they send McGee to plant a bug in the Mosque, only to discover that the FBI already planted their bug.

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While trying to track down a delusional and violent Marine who thinks he's still in Iraq, the NCIS team will learn that the man has been the subject of a secret experiment - and it comes with a high price to pay.

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The NCIS team has to babysit a 9-year-old son of a missing man, a survivalist who is somehow connected to a cold case murder. The investigation leads the team into the wilderness, where they discover a shocking truth about the man's past.

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A murder investigation of a Navy Admiral takes a shocking turn when a woman, a political refugee, returns home to search for her husband.

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Gibbs finds himself emotionally challenged when he agrees to investigate a crime connected to a friend of his daughter, who passed away years ago, and the investigation leads to a shocking conclusion.

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While investigating a mysterious death on a top-secret naval research ship at sea, the NCIS team comes upon an abandoned ship which contains a deadly secret that may cost them their lives.

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The NCIS team is called in to stop a naval officer from committing suicide by jumping off a rooftop, but when the suicide attempt turns into a murder, the NCIS team will have to find out who did it.

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When Ducky realizes that one of his cadavers used for research is actually a victim of murder, the NCIS team identifies him as a criminal genius who is capable of deleting the past.

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Lt. Colonel Mann joins Gibbs in an investigation of the murder of a Marine Captain who had access to highly classified information. Things get very personal for Gibbs when one of the witnesses in the case turns out to be one of his ex-wifes.

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During an autopsy, Ducky makes a startling discovery that turns a murder of a Petty Officer into a search for a missing infant. Meanwhile, Tony has to deal with his feelings for Jeanne.

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The NCIS team uncovers a huge secret, as their mission to capture La Grenouille comes to an explosive and deadly conclusion.

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The NCIS team must work on an assignment against a terrorist group without Gibbs, who is still recovering from the explosion. Gibbs has to fight with memory loss, while he's visited by his mentor and his former boss. His help is needed, expecially when the team discovers that Gibbs is the only person who has informations about the terrorists' plans, so he needs to retrieve his memory before the terrorists attack.

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While working on an assignment, Gibbs is seriously injured in an explosion, and taken to a hospital, where he recalls his painful past, which he has always hidden from others. The rest of the team must proceed with the investigation and put their feelings towards Gibbs's injury aside. Tony is left in charge, which may cause a bit of trouble.

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The NCIS team must protect Ziva when a suspect dies while being in custody, and her tactic might be the reason why the person died. The things become much more dangerous when the suspect's brother kidnapps Jenny, and demands the release of his brother in exchange for Jenny, but he has no idea that his brother is dead.

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While working on just a regular murder case with the rest of the NCIS team, Abby is almost killed by an evidence from the case and soon it becomes clear that the murder was staged, and that someone wants Abby dead. The team discovers some enemies from Abby's past, and they must find out who is the person, before the person kills Abby.

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When a Pentagon cryptographer is found dead, the NCIS team has to discover whether the person was or wasn't a Pentagon mole, and if the person committed suicide. As the investigation continues, the team discovers that the person wasn't alone when she died, so someone must have murdered her. So, the team has to find the person, a mole, who murdered the cryptographer.

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The NCIS team must stop a teenage student from detonating a bomb attached to his body, while he's taking the other students hostage at a Quantico base high school. Gibbs tries to stop him when he enters the classroom, only to realize that there may be someone else controlling the teenage student from the outside. Meanwhile, while Gibbs is in the classroom, Tony is left in charge.

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When Marine dog tags are found in a national forest by a group of teens, the NCIS team is called in to investigate. While searching for the campsite of the Marine, the team finds out that there was another person, possibly a woman, with him. The investigation takes them to an even more higher discovery -- there could be a serial killer killing women in the national forest.

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When an ambulance explodes while carrying the remains of a Marine's body that was killed in a car crash, the NCIS team is called in to investigate what actually happened. The investigation leads them to some sudden discoveries -- the DNA of the victim found in the ambulance doesn't match the Marine's DNA; the ambulance was set up to explode; and the family of the dead Marine is hiding a very important secret.

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While discovering an illegal automotive chop shop, the NCIS team stumbles upon a severed head of a Marine, hidden in one of the cars from the shop. When they find possible suspects, the team will have to find the rest of the body and find the murderer.

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The NCIS team investigates the murder of two Marine wives, and must find the murderers before they attack their next target, another woman.

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While on investigation at a shipyard, looking for smuggled weapons, Tony and Ziva dissapear and it's up to NCIS to find them. Abby tries to track them down by tracking down their GPS chips, but they seem to be out of reach. Meanwhile, Tony and Ziva, hiding in a container, find evidence which could help them solve the case.

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While filming a reality show on a Marine base, a supermodel dies and the NCIS team must discover who is the model's murderer. They discover a love triangle between the model and three other men, all suspects. Meanwhile, Jenny is disturbed by Gibbs when he doesn't want to attend an award ceremony in his honor.

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While on duty, McGee kills a man who is later discovered to be an undercover police officer. When Jenny decides to approve the investigation on McGee, the NCIS team is forced to prove that McGee is not guilty, pushing Gibbs' relationship with Jen to the limit. Meanwhile, Tony is troubled by his past.

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Tony is accused of murdering a woman whos body was found at Quantico and the team must prove his innocence. All the possible evidence prove that Tony is guilty and the team will give their best to set their agent and a friend free.

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When bodies of two hired assassins are delivered to the NCIS team, Ziva & Tony go undercover assuming the victim's identities in order to find the person who hired the assassins for their mission. While working on the case, Ziva & Tony spend some quality time in a luxury hotel and the attraction between them arises. Gibbs discovers that his team is not the only one working on the case.

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When a 6-year-old boy informs the NCIS team that his father was kidnapped, the team discovers that the missing father is actually a Lt. Commander working on a secret project named Honor, and that he is the only one who has the code that can open the project. While Gibbs gets closer with the boy, the rest of the team discovers that the project has been hacked in and the information inside has been deleted. Is the missing man innocent or is he actually the guilty one?

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The NCIS team takes upon a strange case - a Marine's wife was murdered live on the Internet. The investigation reveals that two housewives were running a live Internet sex site and now they are both missing. While looking for them, the team will try to track down the webmaster and solve the alleged murder case.

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When an officer is shot to death on the freeway, the NCIS team takes upon the investigation. The first lead, a fact that the victim was leading a double life, takes them to a possible solution of the crime, but the tables are turned when the victim's dying message is discovered and it leads them to a totally different clue.

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When a corpse of a man is found inside a tomb that comes from the Civil War, the team discovers that the victim, a Sergeant, was buried alive. During the investigation, Abby tracks down the last phone call of the victim. Meanwhile, Gibbs is informed by his new boss Jenny Sheppard that agent Ziva is now a full-time NCIS agent.

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Gibbs is ordered to talk to a convict that is about to be executed, in order to discover information about the place where he hid his victims, but when the plan doesn't work, the team must solve the case in their own way.

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Still stressed over Kate's death, Gibbs is even more hurt when Ari kidnaps Ducky and decides to play with his mind. Gibbs sends Tony to follow Ziva, and after Jenny and Gibbs are almost shot to death, he is even more determined to finish once and for all with Ari, and Ziva's strange connection to Ari will be just the help that he needs.

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A group of serial terrorists seek revenge and send Ari (guest star Rudolf Martin) on an assignment to kill Gibbs. The NCIS team goes on a hunt after him, but when they discover that Ari has a bigger plan, it is already too late... the NCIS team will have to face the death of one of their team members...

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When Tony opens a mysterious letter thinking it's for him, a small puff of white powder comes out and it releases a possible deadly virus. Kate calls for help and soon she and Tony are isolated in a bio-hazard isolation room for precausion. McGee and Gibbs work to discover who sent the envelope and how to cure their friends before its too late for them. Meanwhile, Tony's health gets worse...

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A young Marine is killed in Iraq, but he was investigated by police for a murder on a young girl in his hometown. While going through his personal belongings, they find the body of that girl. The local police believes that the corpsman murdered the girl, but Gibbs believes that he is innocent and he will try to prove it with a help of Faith Coleman (guest star Alicia Coppola).

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After a marine is murdered in the school campus the team discovers a possible suspect for his murder, but they are soon leaded back to zero point when they find the suspect murdered. Tim & Abby discover a trace to a ""Red Cell"" in the e-mails and the team believes that maybe the marine was involved in a serious game...

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The team investigates a suicide case, believing that the main reason of her death is a nervous breakdown, but Ducky believes that she was actually murdered. FBI Special Agent Fornell helps them in the investigation. The team discovers that the dead woman was involved in a love triangle and that this may have contributed to her death.

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NCIS starts the investigation after petty officer Manda King is found dead in the bartender's bed. The suspect is the owner of the competing club where Manda's sister sings.

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The team takes on a case of a dead Marine who recorded his death while falling off a cliff. The prime suspects are his wife and his best friend with whom he had a picnic in the camp. Gibbs finds out they had an affair behind the dead man's back and he tries to persuade each of them to blame each other. Meanwhile, Abby reconstructs the case using her computer skills to handler the Marine's camera...

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Erin Kendall (guest star Danica McKellar) claims to have seen a murder of a sailor in an apartment across from hers. Gibbs assigns the case to McGee who believes that he can resolve it himself. However, due to the lack of physical evidence, McGee turns to the team to help him...

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A "meat puzzle" starts when Ducky identifies the pieces of three bodies that were stuffed inside a barrel few months ago and they turn out to be bodies of a judge, prosecutor and jury foreman that worked with Ducky on a rape case 10 years ago. Gibbs believes that Ducky might be the next victim of the killer, so he orders the team to keep him and his mother safe. Even so, Ducky is kidnapped during the investigation and now the team must find him before it's too late.

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The team takes upon another strange case when a telemarketer reports a possible murder of a petty officer who appeared to be dying over the phone. However, with the help of Virginia officials, the team finds out that officer's call was just a big joke using the computer skills, until he is actually found dead...

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A dead body of a 2-year-missing Navy officer appears on the bottom of a lake. The team investigates the case with a help of a private detective. Meanwhile, a famous family offers a lot of money in exchange for the information about the missing body. The team is surprised when a bullet is found in a car. Now the dissapereance becomes a murder...

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Tony disappears while doing an undercover operation as an escaped prisoner who is forced to stick to a convinct that owns a key to an expensive ancient Iraqi sculpture. The GPS locator that Abby planted on Tony stops working and the team is forced to find Tony before he gets murdered by the thief.

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Laura Rowen (guest star Megan Ward), a Marine's wife, shoots an intruder in self defense when he is about to rape her. The team takes upon the case and finds out that the wife is leading a double life while her husband is serving overseas. Allegedly, she has been chatting with a stranger on the net and had no idea about his true intentions. The team believes that she might have lured him to her home, not knowing that he is a serial rapist...

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NCIS discovers that an area in the Marine's bombing range is where mafia has been dumping the bodies for a while. One of the victims is an undercover FBI agent. The team sets out to find a mole.

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A body of a woman in the Navy uniform is found by two sailors. Ducky links the murder to an unsolved case from 10 years ago, and the team is searching for the serial killer who leaves the note promising to return.

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A mummified remains of a woman are found in the abandoned compound. The team discovers that the woman was missing for several months, was wearing a wedding dress when she died, and might've been a victim of a serial killer. The search for the murderer leads them to Florida, where they start looking for another woman who mysteriously disappeared after going to work. One of the clues they have is the old manual for good wifes.

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A wife and a 9-year-old blind daughter of a Navy captain are kidnapped and the captain is a hostage in his own office, communicating with kidnappers, who watch his every step via computer camera. NCIS team investigates the scheme where large amount of money is involved.

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The terrorist from Bette Noir returns with a plan to attack the President. Gibbs and his team follow the clues to reveal his identity and find Kate who is kidnapped.

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Gibbs' team investigates the death of a SEAL during a training exercise, and come to suspect that it wasn't an accident, but a murder.

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When a body of a murdered marine is found in the forest, the investigation leads to the local militia and a weapon deal gone wrong.

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A marine goes missing after a date with a reporter. During the investigation, the team discovers that three former members of his unit are dead and suspect the unit commander to be a serial killer.

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An NCIS agent has been murdered while investigating a case and the team's job is to find out what happened...

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The team is looking for an ex-SEAL who escaped from prison in search of revenge. He is determined to find the real murderer of his wife.

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When the body of a sailor is found after a party in an illegal night club, the team investigates a number of possible leads - including blackmail and accidental death.

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A terrorist holds Ducky, Gerald, and Kate hostage while NCIS investigate how exactly the terror organization member got a job at the navy base.

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Gibbs risks his career when his former commanding officer is accused of stealing the funds.

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A navy dentist stops near the parked car to help a stranded motorist who pulls out a gun. The team investigates a murder with the help from a local sheriff, Charley, when they find out about a the similar murder of the Navy civilian employee in the was going through the nasty divorce,the wife is suspected but her alibi is perfect.

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The team investigates when a Marine recruitment officer is found shot to death by a sniper with a grudge, who leaves a white feather behind.

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When a Navy commander, who was a technical advisor to a civilian contractor for a Navy weapon, is found dead on the beach, the NCIS team investigates the murder using satellite technology.

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After being buried alive, a woman comes out of the grave with amnesia and the only thing she remembers is that there is a bomb aboard a Navy ship. While trying to help Jane Doe recover her identity, the team finds out that not everything is what it seemed at first.

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After a marine widow receives a call from her dead husband, the NCIS team takes on the case and has to exhume the body to deduce whether the call was a prank or not.

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The NCIS team head to Cuba to investigate a Navy translator's connection to smuggling at a detention center after he suddenly dies at the wheel of his car when returning to the U.S. from Guantanamo Bay.

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A decomposed body is discovered in a tub of acid at a naval base and Ducky and Abby learn that the victim was a submariner. Gibbs discovers that there have been no reports of a sub crewmember missing, so he deduces that one of the subs has an imposter on board. With this new information, the team must find out which sub the man posing as the victim is in and what intentions he may have towards the sub.

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An NCIS agent who used to work under Gibbs asks for the team's help investigating a case where sailors on an aircraft carrier are dying of a drug overdose, but have no history of any kind of drug abuse.

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A Navy lieutenant who was reported missing nearly ten years ago has been found by a deer hunter. When the NCIS team arrives at the scene to investigate, they see that his remains have been mummified. Now, they have to find out what happened to him and what happened to the one million dollars that he had on his ship.

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The NCIS team investigates when a seaman's body is found at the bottom of the sea in his dress whites, with a ceremonial sword. They discover that he was addicted to a MMORPG. Now, the team must figure out how involved he was in the game and how far he would go to get revenge on his arch enemy, another sailor.

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When a Navy commander's body washes up on shore along with the bodies of two drug runners, Gibbs refuses to believe that the sailor who was killed was dirty.

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During a training exercise, a marine's parachute fails to open and he crashes into a parked car where two teenagers were making out. The NCIS team heads to the scene and has to determine if the marine's death was accidental or a murder.

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While on Air Force One, a Navy commanding officer dies. Agents from the Navy NCIS decide to take the investigation into their own hands and also force a Secret Service Agent to help. Now the NCIS team has to figure out if the Navy Officer's death was of natural causes or not.

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How to watch NCIS online without downloading

  1. Watch NCIS online only at TVRill for free. No download or registration required.
  2. NCIS first started airing on Sep 23, 2003 and we have updated 256 out of 257 aired episodes and we will add more as they air.
  3. Please note that new NCIS episodes can take upto 2 days to be updated after their first airing date.
  4. To watch NCIS episodes, select the season and episodes from the list above and the proper episode information will appear on the right side (or below in case of mobile devices), click on the watch now button below the episode info to go to episode page, and watch the respective episode without downloading.

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