Season 6 - Episode 25 : Aliyah May 19, 2009
Season 6 - Episode 25 : Aliyah May 19, 2009
Ziva has a tense reunion with her father, the head of Mossad; Gibbs is forced to make a shocking decision.
Season 6 - Episode 24 : Semper Fidelis May 12, 2009
Gibbs and the team must work with ICE and FBI agents when a security breach results in the death of an ICE agent; Tony comes face to face with Michael Rivkin (Merik Tadros).
Season 6 - Episode 23 : Legend May 5, 2009
Tony questions Ziva's loyalty to NCIS; Special Agent Callen (Chris O'Donnell) goes under cover; Nate Getz (Peter Cambor) discovers the truth about Special Agent Macy and Gibbs' relationship.
Season 6 - Episode 22 : Légende Apr 28, 2009
The murder of a Marine brings McGee and Gibbs to Los Angeles for a joint investigation with the NCIS office of special projects; Tony looks into Ziva's personal life.
Season 6 - Episode 22 : Legend May 5, 2009
The murder of a Marine brings McGee and Gibbs to Los Angeles; Tony looks into Ziva's personal life; Special Agent Callen goes under cover; Nate Getz discovers the truth about Special Agent Macy and Gibbs' relationship.
Season 6 - Episode 21 : Toxic Apr 7, 2009
When Abby is asked to take over for a government scientist who has gone missing, the team fears that she will meet the same fate as her predecessor.
Season 6 - Episode 20 : Dead Reckoning Mar 31, 2009
Gibbs reluctantly works with Trent Kort (David Dayan Fisher) to put away one of the department's most-wanted criminals.
Season 6 - Episode 19 : Hide and Seek Mar 24, 2009
A military family comes under suspicion when a boy finds a murder weapon and the team must track ownership of the gun.
Season 6 - Episode 18 : Knockout Mar 17, 2009
A boxer's death leads to Vance starting his own investigation; Gibbs looks into Vance's past.
Season 6 - Episode 17 : South by Southwest Feb 24, 2009
When an agent is gunned down, Gibbs and Tony try to locate a woman in the desert who might have answers about his murder.
Season 6 - Episode 16 : Bounce Feb 17, 2009
A murder prompts the reopening of one of Tony's old investigations, leading Gibbs and DiNozzo to reverse roles to solve the case.
Season 6 - Episode 15 : Deliverance Feb 10, 2009
Demons of the past come back to haunt Gibbs when he finds a cryptic message waiting for him at a crime scene.
Season 6 - Episode 14 : Love & War Jan 27, 2009
The team discovers a link between a sergeant's murder and his possibly treasonous private life.
Season 6 - Episode 13 : Broken Bird Jan 13, 2009
After Ducky is stabbed at a crime scene, the team uncovers disturbing secrets from the doctor's past.
Season 6 - Episode 12 : Caged Jan 6, 2009
McGee is held captive in a women's prison after a guard's murder leads to a takeover.
Season 6 - Episode 11 : Silent Night Dec 16, 2008
The team is forced to put in overtime while searching for a suspect presumed dead when working on a case over Christmas.
Season 6 - Episode 10 : Road Kill Dec 2, 2008
The team investigates the death of a petty officer and discovers he may have been leading a violent secret life.
Season 6 - Episode 9 : Dagger Nov 25, 2008
The team is forced to rely on information from questionable sources while trying to stop a criminal bent on stealing government secrets.
Season 6 - Episode 8 : Cloak Nov 18, 2008
The team must play a dangerous war game that leads to very real consequences for one team member.
Season 6 - Episode 7 : Collateral Damage Nov 11, 2008
Gibbs second-guesses himself when Vance assigns a rookie to work with him on the team's investigation into a deadly bank robbery.
Season 6 - Episode 6 : Murder 2.0 Oct 28, 2008
A murderous psychopath taunts the team by leaving clues to the next victim's identity during the week of Halloween.
Season 6 - Episode 5 : Nine Lives Oct 21, 2008
Gibbs' hunt for the killer of a marine puts him on a collision course with an old friend.
Season 6 - Episode 4 : Heartland Oct 14, 2008
When a murder investigation leads the team to Gibbs' hometown, secrets about his past are revealed.
Season 6 - Episode 3 : Capitol Offense Oct 7, 2008
A distinguished senator asks Gibbs for help in solving the murder of a young female Naval officer.
Season 6 - Episode 2 : Agent Afloat Sep 30, 2008
DiNozzo's investigation into a Navy lieutenant's suicide takes a surprising and deadly turn when it seems that it has a connection to a larger scheme.
Season 6 - Episode 1 : Last Man Standing Sep 23, 2008
Gibbs discovers a shocking connection between the murder of a naval officer and the director's decision to disband his team.
Season 6 : Collateral Damage; Cloak; Dagger Nov 11, 2008
Vance assigns a rookie to work with Gibbs on the team's investigation into a deadly bank robbery; Gibbs's team is ordered to break into a secure facility, unaware that the mission is a decoy to catch a mole in NCIS.