From murder and espionage to terrorism and stolen submarines, a team of special agents investigates any crime that has any connection to Navy and Marine Corps personnel, regardless of rank or position.
Yankee White
While on Air Force One, a Navy commanding officer dies. Agents from the Navy NCIS decide to take the investigation into their own hands and also force a Secret Service Agent to help. Now the NCIS team has to figure out if the Navy officer's death was of natural causes or not.
Hung Out to Dry
During a training exercise, a Marine's parachute fails to open and he crashes into a parked car. The NCIS team head to the scene and have to determine if the Marine's death was accidental or a murder.
Seadog
When a Navy commander's body washes up on shore along with the bodies of two drug runners, Gibbs refuses to believe that the sailor who was killed was dirty.
The Immortals
The NCIS team investigate when a seaman's body is found at the bottom of the sea in his dress whites, with a ceremonial sword. They discover that he was addicted to an MMORPG. Now, the team must figure out how involved he was in the game and how far he would go to get revenge on his arch enemy, another sailor.
The Curse
A Navy Lieutenant who was reported missing nearly ten years ago has been found by a deer hunter. When the NCIS team arrive at the scene to investigate, they see that his remains have been mummified.
High Seas
An NCIS agent who used to work under Gibbs asks for the team's help investigating a case where sailors on an aircraft carrier are dying of a drug overdose, but have no history of any kind of drug abuse.
Sub Rosa
A decomposed body is discovered in a tub of acid at a Naval base and Ducky and Abby learn that the victim was a submariner. However, there have been no reports of a sub crewmember missing.
Minimum Security
The NCIS team head to Cuba to investigate a Navy translator's connection to smuggling at a detention center after he suddenly dies at the wheel of his car when returning to the U.S. from Guantanamo Bay.
Marine Down
After a Marine widow receives a call from her dead husband, the NCIS team take on the case and have to exhume the body to deduce whether the call was a prank or not.
Left for Dead
After being buried alive, a woman comes out of the grave with amnesia and the only thing she remembers is that there is a bomb aboard a Navy ship. While trying to help Jane Doe recover her identity, the team find out that not everything is what it first seemed.
Eye Spy
When a Navy commander, who was a technical advisor to a civilian contractor for a Navy weapon, is found dead on the beach, the NCIS team investigate the murder using satellite technology.
My Other Left Foot
The NCIS team are called in when a severed leg bearing a Marine tattoo is found in a trash bin, leading them to a small town where a murder scheme is afoot.
One Shot, One Kill
The team investigate when a Marine recruitment officer is found shot to death by a sniper with a grudge, who leaves a white feather behind.
The Good Samaritan
A Navy dentist stops near a parked car to help a stranded motorist who pulls out a gun. The team investigate a murder with the help from a local sheriff, Charley, when they find out about the similar murder of the Navy civilian employee.
Enigma
Gibbs risks his career when his former commanding officer is accused of stealing funds.
Bête Noire
A terrorist holds Ducky, Gerald, and Kate hostage while NCIS investigate how exactly the terror organization member got a job at a Navy base.
The Truth Is Out There
When the body of a sailor is found after a party in an illegal night club, the team investigate a number of possible leads - including blackmail and accidental death.
UnSEALed
The team are looking for an ex-SEAL who escaped from prison in search of revenge. He is determined to find the real murderer of his wife.
Dead Man Talking
An NCIS agent has been murdered while investigating a case and the team's job is to find out what happened.
Missing
A Marine goes missing after a date with a reporter. During the investigation, the team discover that three former members of his unit are dead and suspect the unit commander to be a serial killer.
Split Decision
When a body of a murdered Marine is found in the forest, the investigation leads to the local militia and a weapon deal gone wrong.
A Weak Link
Gibbs' team investigate the death of a SEAL during a training exercise, and come to suspect that it wasn't an accident, but a murder.
Reveille
The terrorist from Bêtte Noir returns with a plan to attack the President. Gibbs and his team follow the clues to reveal his identity and find Kate who is kidnapped.
