- 0 The Inside Man
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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.
Average Episode Rating: 5.0 | Air Date: 2009-10-06
- 1 Truth or Consequences
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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.
Average Episode Rating: 4.3 | Air Date: 2009-09-22
- 2 Reunion
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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.
Average Episode Rating: 4.0 | Air Date: 2009-09-29
- 3 The Inside Man
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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.
Average Episode Rating: 4.5 | Air Date: 2009-10-06
- 4 Good Cop, Bad Cop
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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.
Average Episode Rating: 4.7 | Air Date: 2009-10-13
- 5 Code of Conduct
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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.
Average Episode Rating: 4.0 | Air Date: 2009-10-20
- 6 Outlaws and In-Laws
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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.
Average Episode Rating: 4.0 | Air Date: 2009-11-03
- 7 Endgame
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With the team's help, Vance faces his demons while uncovering a complex relationship with a killer that puts his whole family in danger.
Average Episode Rating: 4.0 | Air Date: 2009-11-10
- 8 Power Down
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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.
Average Episode Rating: 4.3 | Air Date: 2009-11-17
- 9 Child's Play
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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.
Average Episode Rating: 4.3 | Air Date: 2009-11-24
- 10 Faith
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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.
Average Episode Rating: 3.7 | Air Date: 2009-12-15
- 11 Ignition
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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.
Average Episode Rating: 4.0 | Air Date: 2010-01-05
- 12 Flesh and Blood
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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.
Average Episode Rating: 4.0 | Air Date: 2010-01-12
- 13 Jet Lag
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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.
Average Episode Rating: 4.3 | Air Date: 2010-01-26
- 14 Masquerade
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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.
Average Episode Rating: 4.3 | Air Date: 2010-02-02
- 15 Jack-Knife
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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.
Average Episode Rating: 4.0 | Air Date: 2010-02-09
- 16 Mother's Day
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Secrets arise when Gibbs former mother-in-law surfaces as a witness in a murder investigation.
Average Episode Rating: 4.3 | Air Date: 2010-03-02
- 17 Double Identity
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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.
Average Episode Rating: 4.0 | Air Date: 2010-03-09
- 18 Jurisdiction
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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.
Average Episode Rating: 4.7 | Air Date: 2010-03-16
- 19 Guilty Pleasure
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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.
Average Episode Rating: 3.7 | Air Date: 2010-04-06
- 20 Moonlighting
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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.
Average Episode Rating: 4.3 | Air Date: 2010-04-27
- 21 Obsession
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DiNozzo finds himself increasingly captivated by a woman he's never met while investigating the murder of her brother.
Average Episode Rating: 4.3 | Air Date: 2010-05-04
- 22 Borderland
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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.
Average Episode Rating: 4.3 | Air Date: 2010-05-11
- 23 Patriot Down
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When a colleague's murder sends shockwaves through the team, Gibbs uncovers a surprising link to the crime.
Average Episode Rating: 4.3 | Air Date: 2010-05-18
- 24 Rule Fifty-One
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Gibbs heads to Mexico to face his demons and make a startling decision.
Average Episode Rating: 4.3 | Air Date: 2010-05-25