Mark Harmon Returns as Gibbs in Two-Part NCIS Origins Crossover

Mark Harmon will make an onscreen return to the NCIS universe on Nov. 11, reprising his longtime role as Leroy Jethro Gibbs in a two-part crossover that will begin with NCIS Origins and conclude with the flagship series. Origins will air at 8 p.m. Eastern that night, followed by NCIS at 9 p.m., with the linked story bridging a case that begins in the 1990s and is unexpectedly reopened in the present day.

The crossover opens on Origins, where the younger Gibbs, played by Austin Stowell, and the Camp Pendleton NIS team investigate the small-town death of a naval officer in the early 1990s. That investigation will carry into the present on NCIS, prompting Harmon's return as the older Gibbs. Origins co-showrunners David J. North and Gina Lucita Monreal said the episode will also update viewers on Gibbs four years after he disappeared to Alaska. "We know how much fans have missed seeing Mark and have wondered what Gibbs is up to today," they said. "Well, on Nov. 11, we're so excited to announce that Mark Harmon will return as Leroy Jethro Gibbs in the Origins hour of the NCIS crossover event." Harmon, who is an executive producer on both series and narrates Origins, said he was...