NCIS Season 23 was announced by CBS on February 20, 2025, and the show premiered in October. Now, the show has recently released its Episode 15 titled Knick-Knack on April 7, 2026 (ET), following a routine tour aboard the World War II museum ship that turns deadly when a hidden compartment reveals the body of the retired Naval Captain, ‘Miles Griffin’. The corpse is found in the uniform with a cryptic message written in blood. The findings lead to a gripping investigation filled with coded clues and long-buried secrets, set to unravel some heavy situations.
As the ‘NCIS’ team follows the trail, the case quickly becomes more than just about the murder of Captain, ‘Miles Griffin’. What began as a puzzling crime scene evolves into a deeper story involving a rare artefact, a hidden wartime past and a shocking betrayal from one’s own family. The findings soon led to another revelation about a family secret, leaving everyone shocked. So, as ‘NCIS’ tackles the mystery of Captain ‘Miles’s’ death, let’s see what exactly happened in Episode 15 of NCIS Season 23. Warning: Spoilers ahead!
The murder of Naval Captain, ‘Miles Griffin’
In NCIS Season 23 Episode 15, the quick visit to the World War II museum ship turned into a complex investigation after a young girl touring the old vessel accidentally triggered a hidden mechanism, opening a hidden vault, revealing the dead body of the retired Naval Captain, ‘Miles Griffin’. The captain, lovingly known as ‘Griff’, had been living aboard the ship as its curator. His dead body was found dressed in his Marine uniform, having tried to escape after being attacked in his quarters. Before dying, he left behind a chilling message written in blood: “Keep it safe”. That cryptic phrase becomes the cornerstone of the NCIS investigation.
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