Antonio Elias

The team searches for a sniper who is terrorizing New York; Beckett tries to hide her worsening condition from Castle and the detectives.

Kensi and Deeks pose as cult members in hopes of rescuing a former Department of Defense employee who was persuaded to reveal classified information.

Pacific Wellcare, Charlotte's practice, opens and the competition with Oceanside Wellness starts; Dell suggests that an in-house adoption program be created.

Melinda helps an Iraq war veteran deal with the ghosts he's brought back with him. Real-life war veterans from various branches of the military were invited to be part of this special episode.

Callen and Granger try to clear Sam's name after he's arrested for a woman's murder; Kensi and Deeks find a link between the victim and Sam's past.

The mole has once again compromised 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.