NCIS: Los Angeles

After NCIS fails to locate a mole in the department, Under Secretary of Defense Corbin Duggan insists on new leadership and takes over the Los Angeles unit from Hetty and Granger.

The team travels to Syria to capture a high-value target, but the mission goes awry when their chopper is shot down. The OSP team must work around Duggan to ensure they get out alive.

The team investigates an abduction case while down two members, with Hetty being held in D.C. for questioning, and another still in the ICU following the mission in Syria.

NCIS uncovers a money trail to stolen government funds.

The murder of a navy machinist sends the team on a city-wide hunt tracking evidence.

The team uncovers a dark past that puts a local teenager in danger.

Callen goes undercover as a patient in a mental health hospital to search for an NSA agent who disappeared while tracking an ISIS cell trying to cross the Mexican border.

After a graduate student developing an electromagnetic weapon for the navy is attacked, the NCIS team discovers a connection to international warfare. Kensi continues gruelling physical therapy.

After Callen's father, Garrison is found in an NCIS patient's hospital room during a radiation poisoning case, Callen must take him to the boatshed for interrogation.

Paige's estranged mother calls on Team Scorpion when she accidentally uncovers a forgotten nuclear reactor on the verge of exploding.

Sam partners with Anna and Callen goes with Deeks as the team investigates the disappearance of a navy lieutenant commander who is working with the NSA on foreign cyber threats.

Sam is sent undercover in a private security firm with links to criminal organisations.

The mole once again compromises the NCIS team as planted evidence results in the arrests of Callen, Sam, Granger and Deeks, on the day Under Secretary Duggan returns for Hetty's resignation.

Hetty goes rogue, leaving the NCIS team completely in the dark, and the mole kidnaps one of the agents.

Emotions run high for the team as one agent is held in an unknown location and tortured by the mole, while another discovers he was betrayed by someone he least expected.

After a retirement home resident is kidnapped, the NCIS team uncovers a pair of con artists who hop from home to home scamming the elderly out of their money.

Sam assumes a former alias in a risky undercover operation to take down an elusive drug lord. Hetty interrupts Callen and Anna's romantic night to assign them a prisoner escort mission.

After the U.S. Treasury Department is hacked, Nell and Eric go undercover inside a couples retreat to track a tech-savvy husband and wife linked to the crime.

After an engineer who was developing a new guided missile destroyer is murdered, Callen and Sam go undercover to track his co-worker aboard a plane to Tokyo to sell the classified intel.

The NCIS team investigates a defence contractor designing a nuclear attack weapon after her estranged husband says he has proof she is selling navy secrets to a foreign government.

A navy captain kidnaps a Veterans Affairs administrator who has been siphoning funds.

A gold heist investigation has the NCIS team working with Hetty's former Vietnam War colleagues.

After Sam's wife Michelle is taken from her home, the kidnappers demand the prison release of Tahir Khaled, Sam's arch nemesis, in exchange for information on her whereabouts.

Following the kidnapping of his wife, Sam goes rogue from the NCIS team and attempts to stop his arch-nemesis Tahir Khaled from ever targeting his family again.