An NCIS spin off has been criticized by furious TV watchers who claim the show is badly written and unbelievable ...

Before NCIS became a hit, CBS introduced it sneakily through a backdoor pilot hidden in another iconic 10-season drama series ...

NCIS: Los Angeles, the first spin-off of the long-running NCIS franchise, has been on the air for 14 years - but its later ...

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 PHOTO 'NCIS ...

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.

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 is likely coming in for round two.“So far, NCIS: ORIGINS has been a mega-hit with NCIS fans. The prequel ...