The long-running CBS crime drama NCIS continues its 23rd season with a new episode that promises a unique treasure hunt. Following the emotional 500th episode and the recent Navy Week chaos, the team is set to investigate a puzzling death aboard a museum ship. NCIS Season 23 Episode 15 is scheduled to air soon, and here is everything viewers need to know about the release date, time, and how to watch it.
Release Date and Time for Episode 15
NCIS Season 23 Episode 15 is scheduled to release on Tuesday, April 7, 2026. The episode will air during its regular time slot on CBS at 8:00 p.m. ET/PT. For viewers in other regions, the release time translates to 7:00 p.m. CT and 9:00 p.m. MT.
Where to Watch the New Episode
For audiences in the USA, new episodes air weekly on the CBS network. For cord-cutters or those who prefer streaming, Paramount+ offers several options. Subscribers with the Paramount+ Premium plan can stream the episode live as it airs on CBS. Viewers on the Paramount+ Essential plan will typically have access to the episode the day after it airs, making it available on Wednesday, April 8.
International viewers in countries like Canada, Australia, and India can also watch the new episodes on Paramount+, though availability times may vary by region. Generally, episodes appear on the international versions of the service shortly after the US broadcast.
Episode Title and Plot Details
The upcoming episode is titled “Knick-Knack.” According to official previews and episode synopses, the plot kicks off with a murder aboard a museum ship. As the team investigates, they discover that a dying Navy captain left behind a final clue, turning the investigation into a cryptic treasure hunt.
The official logline for Season 23 Episode 15 describes the scenario: “A murder aboard a museum ship becomes a cryptic treasure hunt when a dying Navy captain leaves a final clue. To solve it, the team must decode what was worth killing – and dying – for.” The episode is written by Christopher J. Waild and directed by Kevin Berlandi.
What Happened in the Previous Episodes
Episode 15 follows significant events from the previous weeks. Season 23 Episode 14, titled “Fleeting,” aired on March 31, 2026. That episode involved Navy Week in Washington D.C., where the team discovered a dead sailor in the trunk of a stolen police car, forcing them to navigate city-wide chaos.
Prior to that, the series aired its landmark 500th episode, “All Good Things,” which saw the shocking exit of Rocky Carroll’s character, Director Leon Vance. The episode served as a farewell to the character, who had been a part of the show for 18 seasons. The weight of that loss continues to influence the team as they move into the new cases.
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The Cast of NCIS Season 23
The core cast returns for this episode, led by Gary Cole as Special Agent Alden Parker. The team also includes Sean Murray as Timothy McGee, Wilmer Valderrama as Nick Torres, Katrina Law as Jessica Knight, Brian Dietzen as Jimmy Palmer, and Diona Reasonover as Kasie Hines.
While Rocky Carroll departed as a series regular following Episode 13, the remaining members of the Major Case Response Team are fully engaged in solving the mysteries of Episode 15.
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