Culture 4 min read By Lauren Baxter
Mark Harmon and Michael Weatherly to Reunite on NCIS: Origins After a Decade
Mark Harmon and Michael Weatherly will share the screen as Gibbs and Tony DiNozzo for the first time in 10 years on an upcoming episode of NCIS: Origins, airing October 20 on CBS.
Mark Harmon and Michael Weatherly are set to appear together on screen for the first time in a decade, reuniting their iconic NCIS characters Leroy Jethro Gibbs and Tony DiNozzo on the CBS spinoff NCIS: Origins. The highly anticipated episode is scheduled to air on October 20, marking a major moment for the long-running franchise.
Harmon and Weatherly spent 13 seasons sharing the screen on the original NCIS before their last on-screen appearance together. Harmon departed the flagship series in 2021, while Weatherly left in 2016 to headline his own spinoff, NCIS: New Orleans. Their reunion on NCIS: Origins brings Gibbs and DiNozzo back together in a storyline that has yet to be fully detailed, but the pairing alone has generated significant excitement among the show's dedicated fanbase.
NCIS: Origins, a prequel series that explores Gibbs' early years as a special agent at the Camp Pendleton office, has featured Harmon in a season-long arc as the older Gibbs narrating the events of his past. The October 20 episode will see Harmon's Gibbs return to the NCIS D.C. setting, where he crosses paths with Weatherly's DiNozzo. The episode promises to bridge the gap between the prequel's timeline and the characters' later years, offering viewers a rare chance to see two of the franchise's most beloved figures interact once more.
The reunion comes as NCIS: Origins continues to build its identity within the sprawling NCIS universe. The show, which premiered in 2024, focuses on a younger Gibbs (played by Austin Stowell) and his formative experiences under the mentorship of Mike Franks (Kyle Schmid). Harmon's involvement as both narrator and occasional on-screen presence has been a key draw, and Weatherly's guest appearance adds another layer of nostalgia for longtime fans.
Weatherly's return as DiNozzo is particularly notable given his character's long history with Gibbs. DiNozzo served as Gibbs' senior field agent for years, and their mentor-mentee relationship became a cornerstone of the original series. Seeing them together again, even in a different timeline, is expected to resonate with viewers who followed their dynamic across more than a decade of television.
CBS has not released specific plot details about how DiNozzo fits into the NCIS: Origins narrative, but the network has confirmed the airdate and the on-screen pairing. The episode is likely to draw strong ratings, as fan interest in the franchise remains high and the Harmon-Weatherly reunion has been a topic of speculation for years.
Both actors have remained active in the entertainment industry since their departures from the flagship NCIS. Harmon has focused on producing and select acting roles, while Weatherly has pursued other projects following the conclusion of NCIS: New Orleans in 2021. Their return to the NCIS world, even briefly, underscores the enduring appeal of the characters they helped make famous.
The October 20 episode of NCIS: Origins will air on CBS and stream on Paramount+. For fans of the franchise, it represents a rare convergence of two eras, bringing together the original Gibbs and his most famous protégé in a story that continues to expand the NCIS legacy.
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