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NCIS S23E19 — Deal with the Devil

8.4

NCIS•Season 23•Episode 19

Deal with the Devil

8.4/10 · 319 votesMay 5, 202643 min

Ranked #3 of 20 in Season 23•+0.6 vs season avg

As a secret immunity deal threatens to let a man walk free, Parker fights to keep the case alive. But when his estranged sister suddenly appears – and buried family wounds resurface – the battle for justice becomes deeply personal.

Directed byDiana Valentine

Written byAndrew Bartels

Previous episodeE18 · Bad Impressions (2)Next episodeE20 · Sons and Daughters

Seasons24

All 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24

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

Crew2

A

Andrew Bartels

Writer

Diana Valentine

Diana Valentine

Director

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Episode Summary

"Deal with the Devil" is episode 19 of NCIS season 23. It scored 8.4/10 from 319 votes, ranking #3 of 20 episodes this season (season average 7.8). Directed by Diana Valentine and written by Andrew Bartels, it aired on May 5, 2026.

Next: E20 · Sons and Daughters Best of Season 23