Of all the characters, Timothy seems to be having the most eventful year this season. It was unveiled in NCIS’ Season 22 ...

NCIS spin-off NCIS: Origins has had its future confirmed. The prequel series, focusing on a young version of Mark Harmon's ...

Netflix (Six seasons, 140 episodes): Watch for free with a subscription. NCIS has 22 seasons available to watch, with 471 episodes having aired, and one still to come. Episode 5 of NCIS will premiere ...