The lives of NCIS members are put in jeopardy when they come face-to-face with the infamous Port-to-Port killer.

After new evidence reveals that the Port-to-Port killer has infiltrated the agency, the NCIS teams chase every lead in a race to track him down.

After Tony's ex-partner, Danny Price, appears to be the Port-to-Port Killer's latest victim, he revisits his days as a detective in…

The NCIS team tracks a Navy lieutenant's killer after a Pentagon security camera reveals a petty officer committing the crime.

To Gibbs' displeasure, Special Agent E.J. Barrett returns to lead the investigation of a seaman's death that may be connected to a series of…

NCIS connects a message in blood left by a murdered Navy commander to a manuscript that may contain classified military information.

Gibbs questions Vance's motives when he is asked to interrogate a teenage boy accused of killing his retired Marine father.

NCIS discovers that one of its former investigative assistants found brutally stabbed to death was selling details for how to rob a warehouse…

The dismembered fingertips and teeth of a murdered Marine are discovered in the stolen purse of a pickpocketer, launching NCIS on a mission…

A botched assassination attempt in Belgravia forces NCIS to protect the Defense Minister's daughter. Meanwhile, Gibbs investigates the death…

The NCIS team undergoes mandatory psych evaluations while investigating the death of a naval commander.

The NCIS team springs into action to find the assailant responsible for beating a Marine to death in his own backyard.

A petty officer's recruitment session at a college fair comes to a fatal end, prompting the NCIS team, accompanied by Dr. Mallard's…

Gibbs and the NCIS team partner with a Coast Guard Investigative Service (CGIS) agent to solve the murder of a Marine gunned down on a dinner boat.

The NCIS team investigates the disappearance of a Navy petty officer who is the sole witness in an upcoming murder trial.