NCIS: Los Angeles

When a former Army Sergeant responsible for hunting down high-value targets is found dead, the NCIS team searches for terrorist leaders suspected of his murder. Meanwhile, Deeks bonds with a person of interest in the case, making him more determined than ever to track down the killers.

A murdered antiques dealer has Hetty and the NCIS team searching for his missing book containing top-secret information in part one of a two-part episode.

Hetty and the NCIS team continue to search for an elusive book that has the attention of several foreign security agencies, in the conclusion of a two-part episode.

Kensi connects personally with a discharged Navy Intelligence officer suffering from post traumatic stress disorder who is the sole survivor of a deadly dispute being investigated by the NCIS team.

The NCIS team uncovers an experimental Navy tracking system when a body containing a top-secret residue is stolen from an autopsy room. Meanwhile, Callen challenges Hetty on the rock wall.

The NCIS team sets out to find the individual responsible for stealing a classified Pentagon document before the file's decryption code is cracked by the wrong party.

Sam goes undercover as a prisoner to track down a terrorist group responsible for several bombings around the world.

After Callen catches a man breaking into his house, a former KGB operative leads the NCIS team to a shipment of counterfeit computer chips entering the United States.

Suspicious of an undercover venture involving a deal between corrupt cops and military personnel, Callen and Sam try to expose the illegal operation by posing as California highway patrol officers.

Deeks' morning routine is disrupted when he is shot during a convenience store robbery, leaving the NCIS team to investigate whether he was the assailants' intended target.

Sam resumes a former alias and boards a one-way flight to Yemen in hopes of tracking down a terrorist group's leader and rescuing the hostage son of a Saudi Prince.

NCIS investigates whether the life of a Venezuelan politician is in danger after a Navy Intelligence Commander who is responsible for tracking his moves suddenly disappears.

Kensi goes undercover as a thief in the hopes of uncovering the object that a world-class thief intended to steal.

After a rocket engine expert is killed, NCIS tech operator Eric Beale goes undercover for the first time to ensure that the classified technology used to build satellites is safe.

Deeks resumes an old alias he is not fond of in order to protect his best friend and chief informant from a criminal group that wants him dead.

After a Navy SEAL imposter is set ablaze, NCIS obtains new information regarding the whereabouts of the stolen Brachytherapy canister from a previous case that could be used to make a deadly bomb.

Hetty's sudden resignation prompts Callen and the NCIS team to investigate the reason why she would disappear in the hopes of tracking her down.