Aired: 9/20/2011
Gibbs and the NCIS team have to find answers regarding Tony's months-long assignment when an NCIS agent is found dead.
Aired: 9/27/2011
The NCIS team uncovers a startling surprise after a young Marine shows up to his homecoming party with a fatal stab wound.
Aired: 10/4/2011
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.
Aired: 10/11/2011
The NCIS team searches for the person and motive behind a contract killer targeting a Navy Lieutenant Commander.
Aired: 10/18/2011
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.
Aired: 10/25/2011
An NCIS case changes from accidental death to murder when evidence reveals that a Navy Lieutenant died of forced over-hydration.
Aired: 11/1/2011
The NCIS team searches for answers when the current husband of both Gibbs' and Fornell's ex-wife is suspiciously kidnapped.
Aired: 11/8/2011
The NCIS team uncovers a discrepancy with DNA remains when investigating the crash of a military plane that had been transporting caskets.
Aired: 11/15/2011
As the NCIS team continues its search for a missing Marine, Gibbs and Ziva travel to her last known whereabouts in Afghanistan.
Aired: 11/22/2011
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.
Aired: 12/13/2011
When a Navy Captain is killed in a hotel room, NCIS must track down and protect his very pregnant companion from unknown assailants.
Aired: 1/3/2012
An investigation into the murder of a Navy Commander leads the NCIS team to E.J. Barrett’s whereabouts.
Aired: 1/10/2012
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.
Aired: 2/7/2012
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.
Aired: 2/14/2012
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.
Aired: 2/21/2012
Gibbs clashes with Dr. Samantha Ryan over the truth behind a Navy reservist's possible suicide.
Aired: 2/28/2012
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.
Aired: 3/20/2012
The Secretary of the Navy partners Gibbs with Dr. Samantha Ryan after top secret information is leaked by someone on the inside.
Aired: 3/27/2012
A case hits close to home when the lead suspect in the murder of a Petty Officer is Director Vance's brother-in-law.
Aired: 4/10/2012
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.
Aired: 4/17/2012
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.
Aired: 5/1/2012
The NCIS investigation of a fire on a Navy vessel reveals evidence that elevates security at all U.S. Navy facilities worldwide.
Aired: 5/8/2012
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.
Aired: 5/15/2012
Terrorism shakes the foundations of the Navy and NCIS to such an extent that Gibbs and the team face surprises that will devastate them.
