‘NCIS’ Season 23 is here: Did you miss the TV premiere of the show? Here’s how you can watch it online; check primary cast and what to expect

NCIS returns for its 23rd season, promising love and revenge. A new arch-nemesis and Parker's sister will feature. The show premieres on October 14, 2025, on CBS and will also be streamed online. Key cast members like Gary Cole and Sean Murray are back. Season 22 ended with Parker's father's murder and romantic drama.