'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 ...

Of course, you’ll want to make sure that you watch the shows in order of development ... with Season 21 airing on Mondays at ...

Like the flagship series, NCIS: Los Angeles was a backdoor ... to catch up on any of these shows, there is some great news. Everything is in one place. You can watch everything on Paramount+.

NCIS is flatlining in the ratings, and after CBS canceled some of the spinoffs, there's a good chance it will end soon.