Mark Harmon's highly-anticipated return for the NCIS: Origins crossover episode came as a surprise for some viewers following his shocking exit. During the Tuesday, November 11, double feature, Harmon ...

Mark Harmon is reprising his role as Special Agent Leroy Jethro Gibbs on the Nov. 11 episode of NCIS: Origins The series is a prequel of the original NCIS, in which Harmon played the lead for 18 ...

Harmon will make a special guest appearance as Leroy Jethro Gibbs on the Tuesday, November 11, episode of NCIS: Origins, the network announced on October 28. In the crossover – which will air on ...

Ahead of the "NCIS" and "NCIS: Origins" crossover event on Nov. 11, 2025, fans had one question in mind: Would Mark Harmon's Gibbs share a scene with present-day Lala? Heading into the episode, all we ...

"NCIS" legend Mark Harmon is bringing his OG Leroy Jethro Gibbs character to the prequel series "NCIS: Origins," and he's not coming alone. Harmon, 74, will make a rare guest appearance on "Origins" ...