The Naval Criminal Investigative Service's team, led by Special Agent Leroy Jethro Gibbs, conducts criminal investigations involving the U.S. Navy and Marine Corps.

S8, E9

Enemies Domestic

Following a deadly attack, one member of the team reminisces.

S8, E10

False Witness

A Naval petty officer and sole witness in an upcoming murder trial disappears.

S8, E11

Ships in the Night

The team partners with a Coast Guard Investigative Service agent to solve the murder of a Marine on a dinner boat.

S8, E12


Dr. Mallard's predecessor, Dr. Magnus, joins the team to help solve a murder at a college fair.

S8, E13


The team investigates when a Marine is found beaten to death in his backyard.