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Mark Harmon Returns as Gibbs for Nov. 11 NCIS–Origins Crossover

The appearance marks his first on-camera turn since 2021, with producers teasing that present-day Gibbs is "no longer alone."

Overview

  • CBS confirmed Harmon will guest in the NCIS: Origins hour, reprising Leroy Jethro Gibbs on screen.
  • For one night only, NCIS: Origins airs at 8 p.m. ET followed by NCIS at 9 p.m. ET on Veterans Day.
  • The narrative links timelines as a 1990s small-town naval death probed on Origins is reopened in the present day on NCIS.
  • Showrunners David J. North and Gina Lucita Monreal teased a new development in Gibbs’ life, saying, “Gibbs is no longer alone.”
  • The event is the first crossover between the flagship and its prequel; episodes stream on Paramount+ (live and on demand for Premium, next day on demand for Essential), and Harmon remains an executive producer and Origins narrator.