The team investigates the death of a sailor involved in illegal street racing. The situation becomes more concerning when they realize that he had classified Navy equipment with him.

When a lieutenant commander's death is ruled a suicide, the team investigates and finds evidence leading them to believe it maybe murder.

When a lieutenant commander's death is ruled a suicide, the team investigates and finds evidence leading them to believe it maybe murder.

Agent Kensi Blye is shot at a local bank and the shooters are now holding every person as a hostage.

The team are lead to a place used to create a deadly toxin which has vanished from the scene.

After receiving "agent needs assistance" page, the team attain information regarding their safety.

The NCIS team is 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.

When a Petty Officer is murdered, a connection to Sam's life is discovered. Hetty takes a closer look at the team and how they are handling the pressures of the job.

The team must put their holiday decorations on hold to investigate a Marine's death by his cell phone blowing up. They begin to realize that they need to locate his former unit to protect them from further explosions.

When a serial killer strikes in Los Angeles, it grabs the attention of Abby Scuito. She travels from Washington DC to give the team a hand, since she has been following this killer for some time.

The team investigates the murder of a Marine, while Hetty is away at Senate hearings. This investigation leads them to a militia group and stolen missiles.

Callen finds out why he was targeted over six months ago, while investigating the death of a Russian.

After the NCIS team discovers the body of a marine who had been living a double life, they look for a motive to his murder.

The team is investigating the death of a contractor, fearing the classified information he had is his possession is lost. They find a lead that has ties to Director Vance.

The search for the main culprit that killed an Iraqi businessman goes on with Special Agent Sam Hanna and Special Agent "G" Callen leading the investigation.

During a Marine Corps training exercise a predator and hellfire missile is hijacked, resulting in the death a Marine. The team must locate this UAV before it can be used against America.

As the team is working the murder of a drug dealer, the caseh ends up being personal for one of the team members.

Callen returns back to the NCIS Office of Special Projects to solve a kidknapping case.