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NCIS S23E17 — Reboot (1)
7.4
NCIS•Season 23•Episode 17

Reboot (1)

7.4/10 · 320 votesApr 21, 202643 min

Ranked #18 of 20 in Season 23•−0.4 vs season avg

Discussion

With most of NCIS away and the mainframe shut down for a midnight upgrade, Kasie and a skeleton crew are left in a darkened building when someone begins hunting from inside. What starts as a routine reboot becomes a high-stakes game of cat and mouse

Directed byLionel Coleman
Written byScott Williams
Previous episodeE16 · S.O.S.Next episodeE18 · Bad Impressions (2)
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Cast7

Sean Murray

Sean Murray

Timothy McGee

Wilmer Valderrama

Wilmer Valderrama

Nick Torres

Katrina Law

Katrina Law

Jessica Knight

Brian Dietzen

Brian Dietzen

Jimmy Palmer

Rocky Carroll

Rocky Carroll

Leon Vance

Diona Reasonover

Diona Reasonover

Kasie Hines

Gary Cole

Gary Cole

Alden Parker

Crew3

Scott Williams

Scott Williams

Writer

Mark Harmon

Mark Harmon

Executive Producer

L

Lionel Coleman

Director

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Episode Summary

"Reboot (1)" is episode 17 of NCIS season 23. It scored 7.4/10 from 320 votes, ranking #18 of 20 episodes this season (season average 7.8). Directed by Lionel Coleman and written by Scott Williams, it aired on April 21, 2026.

Next: E18 · Bad Impressions (2)Best of Season 23