Let Her Go
Casey is forced to team up with the Intelligence Unit, now run by Voight, who doesn’t appear to have changed his crooked ways after his stint in prison.
Damned If You Do
The international manhunt for Eli David and Jackie Vance's killer turns into a federal witch hunt against Gibbs and the team.
Descent
Callen and Kensi head overseas while Sam and his wife Michelle go undercover when an explosion reignites the search for stolen nuclear weapons.
He Welo 'Oihana (Family Business)
McGarrett helps his mother (guest star Christine Lahti) execute a covert op to retrieve an incriminating microfiche.