NCIS 500th Episode: Atypical Milestone Ahead

NCIS is gearing up to celebrate a significant achievement with its 500th episode, scheduled to air on March 31, 2026. This milestone episode, titled "All Good Things," is poised to break from tradition, offering a departure from the usual callbacks and special appearances. Actor Brian Dietzen, who plays Jimmy Palmer, indicated that this installment will deliver a story that shakes up the show's long-standing status quo in a substantial way.

Speculation about major cast changes has intensified, particularly concerning Sean Murray's character, Timothy McGee. This concern stems from storylines explored in the first half of NCIS Season 23, which addressed budget cuts and the integration of AI. These themes were expected to fuel significant plot developments in the latter half of the season. A potential exit for McGee would represent a high-profile departure, comparable to Mark Harmon's exit in Season 19.

While the exact plot details for "All Good Things" remain under wraps, its "very atypical" nature suggests a focus on significant narrative shifts rather than retrospective tributes. Following this 500th episode, seven remaining episodes of Season 23 will air before the show's 24th season commences in the fall of 2026.