As vast as the NCISverse is, there’s nothing like the original NCIS. Though the show itself began as a spinoff – of the military legal drama JAG – the series about special agents tasked with solving Navy and Marine-related crimes has distinguished itself as CBS’s longest-running crime drama. And it just keeps running …
The show’s latest season (its 23rd!) returns with new episodes starting Tuesday, March 3.
To help you get ready for what’s still to come, we’ve got a breakdown of what you need to know about NCIS Season 23, including how to watch and stream episodes, and cast info.
When does NCIS Season 23 return?
NCIS Season 23 returns on Tuesday, March 3, following its winter hiatus.
The CBS Original drama began its 23rd season on Oct. 14, 2025. So far, nine Season 23 episodes have aired – all nine are now streaming on Paramount+.
Where can I watch NCIS Season 23?
You can watch NCIS Season 23 on CBS and Paramount+. New episodes launch at 8 PM ET/PT on CBS on Tuesdays. New episodes can also be watched live, and/or on demand with a Paramount+ subscription. If you sign up for the Paramount+ Premium plan, you can watch new episodes as they air live on CBS. And no matter which Paramount+ plan you subscribe to, you can stream new episodes on demand on Paramount+ on the day after air on CBS.
NCIS Season 23 airs as part of CBS’ all-NCIS night, a Tuesday primetime programming block that also features NCIS: Origins and NCIS: Sydney.
Where can I stream NCIS Season 23?
You can stream NCIS Season 23 on Paramount+. When you have a Paramount+ subscription with the Paramount+ Premium plan, you can stream new episodes as they air live on CBS. All Paramount+ subscribers, on any plan, either the Paramount+ Premium plan or the Paramount Essential plan, can stream NCIS Season 23 new episodes on demand on the day after they air on CBS.
Here’s how to watch and stream NCIS Season 23 new episodes, including the midseason premiere, at a glance:
NCIS Season 23
- Return date: Tuesday, March 3, 2026
- New episodes air: Tuesdays
- Time: 8 PM ET/PT
- Channel: CBS
- Streaming: Paramount+*
NCIS Season 23 new episodes can be streamed live on Paramount+ as they are on CBS via the Paramount+ Premium plan, or they can be streamed on the day after they air via any Paramount+ plan.
Who is in the NCIS Season 23 cast?
Here are the series regulars of the NCIS Season 23 cast:
- Sean Murray as Special Agent Timothy McGee
- Wilmer Valderrama as Special Agent Nickolas “Nick” Torres
- Brian Dietzen as Dr. Jimmy Palmer
- Diona Reasonover as Forensic Scientist Kasie Hines
- Katrina Law as Special Agent Jessica Knight
- Rocky Carroll as Director Leon Vance
- Gary Cole as Special Agent Alden Parker
Mark Harmon, who starred as special agent Leroy Jethro Gibbs on Seasons 1-19, made his on-screen return to the NCISverse this season as a special guest star in a crossover event involving NCIS: Origins and NCIS. Harmon is seen as Gibbs in the NCIS: Origins episode, “Funny How Time Slips Away“; the ep is connected, storyline-wise, to the NCIS episode, “Now and Then.” You can stream these episodes – and all episodes of NCIS and NCIS: Origins – with Paramount+.
NCIS: Origins is the NCIS prequel series starring Austin Stowell as the younger Gibbs, and featuring Harmon as the narrator.
What other NCIS shows are airing on CBS this season?
In addition to NCIS, there are two other shows from the NCISverse airing on CBS this season: NCIS: Origins and NCIS: Sydney. Those two shows also return with new episodes starting Tuesday, March 3.
NCIS, NCIS: Origins, and NCIS: Sydney air back-to-back-to-back on Tuesday nights on CBS, a primetime block that runs from 8 PT/ET to 11 PM/ET.
Where can I watch all episodes of NCIS?
You can watch all episodes of NCIS on Paramount+, from the very first episode of Season 1, “Yankee White,” all the way to the most recent episode of Season 23, “Heaven and Nature,” originally aired Dec. 16, 2025. And when new episodes of NCIS return starting Tuesday, March 3, you can stream those episodes on Paramount+, too. Before Season 23 is done, NCIS will have aired its 500th (500th!) overall episode (and, yes, all of them will be streaming on Paramount+).
With a Paramount+ subscription to the Paramount+ Premium plan, you can stream new episodes as they air live on CBS. And you can stream new episodes on demand on the day after they air on Paramount+ with any plan.
Paramount+ is also the place to stream all episodes of NCIS: Origins, NCIS: Sydney, NCIS: Hawai’i, and NCIS: New Orleans, as well as the Paramount+ original drama, NCIS: Tony & Ziva. Explore The NCIS Collection to find all these shows, plus curated playlists. And for more info on the NCISverse, check out our guide to all the NCIS shows you can stream on Paramount+, and our guide to popular dramas with more than 100 episodes that you can binge-watch right now. You know, like NCIS …
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