Mike Smith
Here’s everything you need to know about NCIS Season 23 (2025), starring Gary Cole, Sean Murray, and Wilmer Valderrama.
How to watch NCIS Season 23 outside the US on Paramount+ and CBS
To watch NCIS Season 23 outside the U.S., install a reliable premium VPN and connect to an American server. Once connected, visit Paramount+ with SHOWTIME to stream episodes live or on demand, or go to CBS.com and sign in with your TV provider. Paramount+ Essential subscribers can stream episodes the next day, and you can also access CBS through live TV platforms like YouTube TV, Fubo, or DirecTV Stream.
- Subscribe to NordVPN
- Install the VPN app on your device.
- Connect to a US-based server.
- Head over to Paramount+ to stream episodes anytime, or watch on CBS.com by signing in with your TV provider.
- You are all set to watch NCIS Season 23 online!
NCIS Season 23 (2025) Synopsis
The hit CBS crime drama NCIS is back for its 23rd season, following Special Agent Alden Parker (Gary Cole) and his skilled team as they take on high-stakes investigations involving the U.S. Navy and Marine Corps.
After the shocking events of Season 22, Parker is left reeling from his father’s murder and becomes consumed by a personal mission to hunt down mob boss Carla Marino, forcing him to confront the line between justice and revenge. Meanwhile, the NCIS team faces a new wave of challenging cases—from blackmail and espionage to long-buried cold cases that resurface with emotional fallout.
Season 23 also explores deeper character growth: McGee steps up as a mentor for the next generation of agents, Torres struggles to overcome personal trauma, and Knight wrestles with the opportunity to join NCIS Elite, a decision that could change her career forever.
When Does NCIS Season 23 Premiere?
NCIS Season 23 premieres on Tuesday, October 14, 2025, at 8:00 PM ET/PT on CBS, and will also be available for live streaming on Paramount+ with SHOWTIME. New episodes will stream the next day on Paramount+ Essential, giving fans the option to watch on demand anytime.
Where to Watch NCIS Season 23 in the US
In the US, you can watch NCIS Season 23 live every Tuesday at 8:00 PM ET/PT on CBS. Episodes are available for live streaming on Paramount+ with SHOWTIME, and the next day on Paramount+ Essential for on-demand viewing. You can also watch CBS live through services like YouTube TV, Fubo, or DirecTV Stream.
Where to Watch NCIS Season 23 in Canada
In Canada, NCIS Season 23 airs on Global TV simultaneously with the U.S. broadcast at 8:00 PM ET/PT. Episodes will be available to stream the next day on GlobalTV.com, the Global TV app, and STACKTV through Prime Video. Starting October 21, 2025, NCIS Season 23 will also stream on Paramount+ Canada, where all previous seasons are available on demand.
Where to Watch NCIS Season 23 in Australia
In Australia, NCIS Season 23 streams from October 15, 2025, exclusively on Paramount+ Australia.
You can also watch through the Paramount+ channel on Apple TV and the Paramount+ channel on Prime Video.
NCIS Season 23 Episodes
Here are the episodes:
- Episode 1 – Prodigal Son (1) – Premiere date: October 14, 2025
Reeling from his father’s murder, Parker goes to extreme lengths to hunt down mob boss Carla Marino, jeopardizing both his career and the team’s safety. - Episode 2 – Prodigal Son (2) – Premiere date: October 21, 2025
Parker’s pursuit of vengeance leads to a deadly confrontation, while his sister, Vice Admiral Harriet Parker, faces an impossible moral choice. - Episode 3 – The Sound and the Fury – Premiere date: October 28, 2025
When a petty officer’s death ties to a blackmail ring, the team partners with Special Agent Sawyer. The case takes a terrifying turn for Torres as Knight faces a career-defining decision. - Episode 4 – Episode 4 – Premiere date: November 4, 2025
Plot details remain under wraps, but this episode promises another character-driven mystery involving the Navy’s elite. - Episode 5 – Unburied (2) – Premiere date: November 11, 2025
A 1990s cold case is reopened, sending the team on a chase for long-overdue justice. The episode concludes a two-part crossover with NCIS: Origins Season 2, Episode 5.
NCIS Season 23 Cast
- Gary Cole as Supervisory Special Agent Alden Parker
- Sean Murray as NCIS Senior Special Agent Timothy McGee
- Wilmer Valderrama as Special Agent Nick Torres
- Katrina Law as Special Agent Jessica Knight
- Brian Dietzen as Chief Medical Examiner Dr. Jimmy Palmer
- Diona Reasonover as Chief Forensic Scientist Kasie Hines
- Rocky Carroll as NCIS Director Leon Vance
- Nancy Travis as Vice Admiral Harriet Parker
Recurring and Guest Cast
- Joe Spano as Tobias Fornell
- Teri Polo as Vivian Kolchak
- Carolyn Hennesy as Carla Marino
- Austin Stowell as Special Agent Sawyer
Can You Watch NCIS Season 23 Online for Free?
Yes, new users can stream NCIS Season 23 for free using the Paramount+ free trial. Alternatively, you can watch CBS live for free using trial offers from streaming platforms like Fubo, YouTube TV, or DirecTV Stream.
Is NCIS Suitable for All Ages?
NCIS is rated TV-14, meaning it’s suitable for viewers aged 14 and above. The series contains moderate violence, occasional language, and crime-related themes, so parental discretion is advised for younger viewers.
Where Can I Download NCIS Season 23 Full Episodes?
Paramount+ Premium subscribers can download NCIS Season 23 episodes for offline viewing on the Paramount+ app. Downloads are available in HD and can be accessed on mobile devices, tablets, and smart TVs.
FAQs
1. Will Mark Harmon return in NCIS Season 23?
Mark Harmon’s Leroy Jethro Gibbs remains retired from the NCIS team, but producers have hinted at the possibility of a cameo later in the season.
2. Is there a crossover with NCIS: Origins or NCIS: Sydney?
Yes, Episode 5 “Unburied (2)” connects directly to NCIS: Origins Season 2, expanding the shared NCIS universe storyline.
3. Where can I watch older NCIS seasons?
All 22 previous seasons are available on Paramount+.
On what devices can you watch Paramount+?
You can stream Paramount+ on the following devices:
- Smart TVs (Samsung, LG, Vizio, and Android TV)
- Streaming devices (Roku, Amazon Fire TV, Apple TV, Chromecast)
- Mobile phones and tablets (iOS and Android)
- Game consoles (PlayStation and Xbox)
- Web browsers (Windows and Mac)
NCIS Season 23 Trailer
Here’s the trailer for the new season:
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