Callen and Sam return for a 12th season of assignments, as the Naval Criminal Investigative Service encounter more and more threats. Chris O'Donnell and LL Cool J star.

NCIS: Origins, the prequel series following a young Special Agent Leroy Jethro Gibbs (Austin Stowell), is given a full season ...

"NCIS: Origins" and "Poppa's House received full season orders a CBS, upping their respective first seasons to 18 episodes ...