
TV shows are lucky if they’re able to last multiple seasons, let alone make it to air. NCIS has far exceeded those expectations, because not only is its 23rd season is still airing on the 2026 TV schedule, the popular CBS procedural will reach its 500th episode at the end of the month. However, CinemaBlend learned from Brian Dietzen, who’s been playing Jimmy Palmer since Season 1, that this milestone episode will have a much different feel compared to past ones.
He opened up about this when I spoke with him and Kasie Hines actress Diona Reasonover about their new podcast, NCIS: Partners & Probies, as well as what it was like reuniting with Emily Wickersham on the latest episode (which you can stream with a Paramount+ subscription). When I asked them what they’re most excited for NCIS fans to see in the 500th episode, Dietzen answered: