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NCIS is getting ready to celebrate a major milestone. 

On March 24, the 500th episode of the popular procedural will air on CBS. It’s a feat achieved by only a few other scripted shows in television history, including The Simpsons, Family Guy, Law & Order: SVU, and Law & Order. 

“In terms of a milestone, it’s sort of unfathomable to wrap your head around,” cast member Sean Murray, who has been with the show since season 1, told TV Insider. “I mean, anyone that’s been in the TV business for a long time, to get anything going is hard enough. To get something going that continues and seems to resonate with people is really kind of fantastic and I’m real proud to be a part of it.”

Gary Cole and Brian Dietzen sitting next to each other in an auditorium in the 500th episode of 'NCIS,' titled 'All Good Things'
‘NCIS’ Season 23 Episode 13, ‘All Good Things’ | Robert Voets/CBS ©2026 CBS Broadcasting, Inc. All Rights Reserved.
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NCIS premiered in October 2003, following a backdoor pilot that aired during JAG Season 8. It’s since spawned six spinoffs of its own: NCIS: Los Angeles, NCIS: New Orleans, NCIS: Hawai’i, NCIS: Sydney, NCIS: Origins, and NCIS: Tony & Ziva

In its 500th episode, which is titled “All Good Things,” the son of a Marine that Gibbs once helped comes to NCIS in desperation, leading the fractured team to reunite off the books. But they discover that chasing justice without a badge may cost them more than their careers.

The 500th episode of NCIS airs Tuesday, March 24 at 8 p.m. ET/PT on CBS and streaming on Paramount+. 

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