หน่วยสืบสวนแห่งนาวิกโยธิน

Gibbs and his remaining team members must head back to work with the past still weighing heavily on their minds.

Gibbs ends up taking a trip down memory lane when the team discovers something about the bizarre death of a Marine.

The death of a lieutenant forces the team to reopen the case when the blogger who accused them of a cover up ends up dead.

Ziva is forced to dig up a buried chapter of her life when a Marine's body surfaces halfway around the world.

The NCIS team discovers that a victim's "good-natured" pranks may have inspired ghoulish retribution.

Gibbs and the team play family counselor to his former mentor in the hopes of preventing a bloody international conflict.

With the team's help, Vance faces his demons while uncovering a complex relationship with a killer that puts his whole family in danger.

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

The team must put their Thanksgiving plans on hold when the death of a Marine leads them to a government think tank that employs child prodigies.

When the enlisted son of retired Colonel-turned-preacher is found dead, the team believes he may be the victim of a hate crime. Meanwhile, Gibbs' father comes for a holiday visit.

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.

Gibbs questions DiNozzo's ability to do his job when the elder DiNozzo becomes involved in their investigation of an assassination attempt on a foreign prince.

When the government's star witness in an embezzlement case is targeted by an assassin, it's up to the team to help her make it home alive.

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

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

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

The team investigates the shooting of a Marine.

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.

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.

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

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

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

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

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