NCIS: Los Angeles

Hetty puts Callen's safety ahead of her own. The team swoop into Romania to save her, but the unexpected appearance of Agent Hunter raises questions.

The team join forces with the NSA when a computer expert is kidnapped.

Sam goes undercover as a bomb specialist to investigate the murder of a marine. Hunter decides to change the dynamics of NCIS.

The team delve into the underground world of the Libyan resistance movement when a reporter is murdered. Callen learns more about his past.

The team investigates an alliance between al-Qaeda and a Mexican drug cartel. A female police chief works closely with Deeks, making Kensi jealous.

The team investigate the brutal murder of a former Navy intelligence officer, and soon learn that Hetty is key to finding the killer.

The team try to clear the name of a marine who was dishonorably discharged after being accused of murder.

A smuggling case takes the NCIS team to Mexico to find missing hazardous materials.

Sam returns to Sudan to help a CIA agent gather evidence of Al-Qaeda terrorists in training, but events do not go as planned.

When Deeks shoots an unarmed man, LAPD blames NCIS for ruining their joint operation and breaks ties with them.

The team are embroiled in a race against the clock to find a classified and highly dangerous device that could destroy Los Angeles.

Assistant Director Owen Granger makes an impression on the team. Nell goes undercover at the Department of Defence to solve a murder.

When an attempt is made on the life of a key witness from the Sudan campaign, the team must find those responsible.

Callen and Sam go undercover to find out who hijacked a diplomatic van transporting an unknown package from the State Department.

The team try to catch a deadly master of disguise, but the case is complicated by Granger's involvement.

Shockwaves ripple through the team when Kensi is taken into custody as the lead suspect in the murder of a marine.

The team try to establish whether a shooting outside the Vietnamese consulate is an isolated incident or a terrorist attack.

The murder of an intelligence officer leads Callen and the team to a group of SEALs, who are about to embark on a hostage rescue mission.

The team work with operational psychologist Nate Getz and the FBI to stop a domestic terrorist.

Danny and Chin-Ho from the Hawaii Five-0 unit help Sam and Callen track a wayward immunologist who plans to release a deadly virus.

Kensi and Deeks face a tricky assignment when they must pose as a married couple in order to find a Russian sleeper cell.

As the Chameleon continues to put his plan into practice, Callen breaks rank with the team and goes rogue.