หน่วยสืบสวนแห่งนาวิกโยธิน

The members of the NCIS team find themselves to be the targets of Paloma Reynosa, who is out there trying to fulfill her vendetta against Gibbs.

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.

When the motives behind an attack on a female bomb tech link her to a murder, the NCIS team investigates her very guarded personal life.

The team is involved in an international incident as they investigate the murder of an American petty officer whose body was found aboard a British ship.

The team investigates the death of a radio DJ and a Naval Officer who were both killed live on air, and their job becomes more difficult by the discovery of various suspects.

Abby becomes too fixated to solving the murder of a Naval Scientist, while the rest of the team worries about her. Meanwhile, Tony's newest fling brings trouble.

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

The team has to protect Ziva's father when he attends the NCIS conference, which has Ziva confronting her past when a couple of unexpected surprises occur.

After an ambush changes the course of the their investigation, the NCIS team has to quickly find answers, and one team member flashes back to their very first NCIS assignment.

When a Navy petty officer that was supposed to testify in an upcoming murder trial suddenly goes missing, the NCIS team gets help from the deputy district attorney to find the missing witness.

The NCIS team partners up with the Coast Guard Investigative Service when they have to investigate the murder of a marine on a dinner boat cruise.

When a recruitment session of a petty officer results in murder, the NCIS team sets out to find the culprit by teaming up with Ducky's predecessor.

The NCIS team has to locate the family and the murderer when a Marine is found beaten to death in his own backyard.

The team has to investigate the death of a naval commander found shot to his death on a navy vessel, while undergoing mandatory psych evaluations.

When a marine dies to save the life of a Belgravian prime minister from an assassination attempt, the NCIS team is put on the job of protecting the minister's daughter that is currently studying in the USA while investigating the death of the marine.

The NCIS team has to find a ruthless murderer after the dismembered fingertips and teeth of a murdered Marine are found in a pickpocketer's stolen purse.

When the NCIS team learns of a shocking murder of one of their former investigative assistants, they soon find out that the victim has been selling information on how to rob a warehouse full of expensive possessions. Meanwhile, a new special agent is added to the team.

Gibbs is confused about Vance's order to cross-examine a teenage boy accused of killing his own father, a retired Marine.

When a Navy Commander found murdered leaves behind a message written in blood, the NCIS team links it to a manuscript that may hold a threat to the national security.

Much to Gibbs' displeasure, the NCIS team has to investigate a death of a seaman with a lead from Agent E.J. Barrett, leaving the rest of the team concerned that Gibbs may be leaving NCIS yet again. Meanwhile, Ziva introduces her new boyfriend to the team.

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.

When Tony's former partner Danny Price is found murdered and linked to the Port-to-Port serial killer, Tony flashes back to his days as a detective in Baltimore and recounts his first meeting with Gibbs.

The NCIS team has to chase every possible lead when the latest victim of the Port-to-Port killer turns out to be someone with personal ties to the team.

When the Port-to-Port killer is finally revealed, the entire NCIS team finds themselves in grave danger.