When we last see Sam Hanna (LL Cool J) and Callen, they're on another mission ... Read more: Dumb Reasons These TV Shows Were ...

NCIS: Los Angeles viewers finally got to see G. Callen (Chris O'Donnell) taking the next step in his relationship with Anna Colcheck (Bar Paly). The two got married, but Hetty Lange's absence at ...

'NCIS: LA' preview: Eric Christian Olsen and boss tease big 'reveal' in two-part episode 'NCIS: LA' boss on the season finale and the explosion that could spell disaster for the team -- EXCLUSIVE ...

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.