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.
Abby Sciuto (Pauley Perrette) joins the Los Angeles team to investigate a chief petty officer’s murder that matches the pattern of a serial killer Abby is tracking.
While Hetty is attending a Senate hearing in D.C., the investigation of a murdered Marine Lance Corporal leads the NCIS team to stolen anti-tank missiles and a dangerous militia group.
Callen finds out why he was targeted over six months ago, while investigating the death of a Russian.
The NCIS team must find a motive when they discover the body of a marine who had been living a double life as a wealthy bachelor.
When a United States citizen of North Korean descent is murdered, the secrets to classified software are thought to be lost until NCIS uncovers a suspect from Director Vance’s past.
Following a murder, the secrets to classified software are thought to be lost until NCIS uncovers a suspect from Vance’s past.
When a Predator Loaded with a Hellfire Missle is Hijacked and Disappears in Los Angeles, NCIS Must Track Down Its Whereabouts Before the Weapon is Unleashed on American Soil.
A case involving the murder of a drug dealer turns personal for Special Agent Sam Hanna when he discovers his former Navy Seal comrades are involved.
Callen returns back to the NCIS Office of Special Projects to solve a kidnapping case.
