Jimmy Palmer actor Brian Dietzen told me that NCIS’s 500th episode would be “very atypical” compared to the show’s past milestone episodes, and man, he was not kidding. Wi

McGee and the NCIS team work a case that involves the disappearance of his former girlfriend. Find out what happened when he learned about something that was kept from him.

Sean Murray's Agent McGee was only supposed to be in one episode of NCIS, but a last-minute invite back changed everything.

Plus, Vance clues Parker in on what he's been dealing with all season.

NCIS Season 23 Episode 12, titled, In Too Deep delves into a complex case involving the mysterious death of a Naval Chief Warrant Officer at a park.

NCIS star Sean Murray shares behind-the-scenes stories and his memorable collaboration with Michael Weatherly, including an early injury on set.

NCIS Season 23 Episode 12 follows McGee uncovering a surprising link to Olivia Garcia and her son Mateo, played by The Rookie’s Patrick Keleher, during a missing person investigation.

I'm reeling here.

Actor Rocky Carroll, whose character Leon Vance has been part of 'NCIS' since 2008, had a life-changing 500th episode Tuesday night. Now he's talking about the big twist.