'NCIS' Renewed for Season 19—But It Could Be the Final Season. NCIS airs its current season finale on May 25 on CBS, and there's good news for fans of the super-hit show. In April 2021, the show was renewed for Season 19, with Mark Harmon set to return as Leroy Jethro Gibbs after reports he was trying to leave the show ...

Is NCIS coming back in 2021?

CBS has set its fall 2021 schedule, which kicks off in September. NCIS will launch its 19th season on a new night -- Mondays -- starting Sept. 20 at 9 p.m. ET/PT, followed by the series premiere of new NCIS spinoff, NCIS: Hawai'i, at 10 p.m. ET/PT.

Is Mark Harmon leaving NCIS in 2021?

'NCIS' Says Goodbye to Mark Harmon After 18 Years

The longtime lead of the CBS series had signed on for only a limited number of episodes in 2021-22.