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Entertainment • TV Series

NCIS (season 23)

NCIS (season 23) is the twenty-third season of the American police procedural television series NCIS.

By Ethan Anderson| Reviewed by Olivia Bennett, Standards & Fact-Checking Lead| Updated July 26, 2026|2 min read| Fact-checked

NCIS (season 23) is the twenty-third season of the American police procedural television series NCIS. It premiered on CBS on October 14, 2025, and continued with weekly Tuesday broadcasts; the season also streams on Paramount+.

Premiere and broadcast

Season 23 premiered on October 14, 2025, and returned from its winter hiatus on March 3, 2026. CBS scheduled new episodes for Tuesday nights at 8:00 p.m. ET/PT, with streaming available on Paramount+.

Cast

Promotional material for the season listed Sean Murray, Wilmer Valderrama, Brian Dietzen, Diona Reasonover, Katrina Law, Rocky Carroll, and Gary Cole among the series regulars.

Episodes

The season included at least 10 episodes by late February 2026, with episode titles including “Prodigal Son (Part 1),” “Heaven and Nature,” and “Army of One.”

Plot arc

Coverage of the season emphasized Alden Parker’s response to his father’s murder and the resulting investigation into mob boss Carla Marino. The season also continued ongoing team and family storylines within the NCIS unit.

Key facts

  • Season 23 premiered on October 14, 2025, on CBS.
  • The season returned from hiatus on March 3, 2026.
  • Episodes aired Tuesdays at 8:00 p.m. ET/PT on CBS and streamed on Paramount+.
  • The mid-season finale was “Heaven and Nature” (December 16, 2025); the season finale was “Sons and Daughters” (May 12, 2026).
  • The plot arc focused on Alden Parker’s response to his father’s murder and the investigation into mob boss Carla Marino.
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Canadian context

Canadian readers could access NCIS season 23 through Paramount+ availability in Canada, depending on local subscription and catalogue rights; the series itself is an American production with broad Canadian television familiarity.

Frequently asked questions

When did NCIS season 23 premiere?
It premiered on CBS on October 14, 2025.
When did new episodes return after the hiatus?
New episodes returned on March 3, 2026.
What day and time did it air?
New episodes aired on Tuesdays at 8:00 p.m. ET/PT on CBS.
Where could viewers stream the season?
The season streamed on Paramount+.
What was the finale episode?
The finale was titled “Sons and Daughters” and aired on May 12, 2026.

References

  1. Paramount+ — https://www.paramountplus.com/sneak-peak/everything-you-need-to-know-about-ncis-season-23/
    Supports: Season 23 premiere date, return date, broadcast night/time, streaming availability, cast list, and episode status.
  2. USA Today — https://www.usatoday.com/story/entertainment/tv/2026/03/02/ncis-new-episodes-2026-season-23/88947120007/
    Supports: March 3, 2026 return date, Tuesday broadcast schedule, and Paramount+ viewing options.
  3. TV Insider — https://www.tvinsider.com/1188287/ncis-season-23-premiere-date-cast-trailer/
    Supports: October 14, 2025 premiere date, two-part premiere, season context, and main cast.
  4. TheTVDB — https://www.thetvdb.com/series/ncis/seasons/official/23
    Supports: Episode list and air dates through February 24, 2026, including mid-season finale details.
  5. Good Housekeeping — https://www.goodhousekeeping.com/entertainment/tv-shows/a71271786/ncis-season-23-finale-episodes-news/
    Supports: Season 23 finale title and air date, plus final-episode storyline details.