7.7

NCIS•Season 21•Episode 10

Reef Madness

7.7/10 · 419 votesMay 6, 202444 min

Ranked #7 of 10 in Season 21•−0.4 vs season avg

Discussion

Parker and Knight discover three bodies on an old Navy ship that's about to be sunk and turned into an artificial reef, when they're suddenly locked inside by a mysterious figure.

Directed byJosé Clemente Hernandez

Written byScott Williams

Previous episodeE9 · Prime Cut Next seasonSeason 22

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

Season 21 Episodes10

E1 8.1

Algún Día

E2 9.5

The Stories We Leave Behind

Lifeline

Left Unsaid

The Plan

Strange Invaders

A Thousand Yards

Heartless

Prime Cut

Reef Madness

Cast7

Sean Murray

Timothy McGee

Wilmer Valderrama

Nick Torres

Katrina Law

Jessica Knight

Brian Dietzen

Jimmy Palmer

Rocky Carroll

Leon Vance

Diona Reasonover

Kasie Hines

Gary Cole

Alden Parker

Crew3

Scott Williams

Writer

José Clemente Hernandez

Director

Hannah Betts

Stunt Double

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Episode Summary

"Reef Madness" is episode 10 of NCIS season 21. It scored 7.7/10 from 419 votes, ranking #7 of 10 episodes this season (season average 8.1). Directed by José Clemente Hernandez and written by Scott Williams, it aired on May 6, 2024.

Continue to Season 22 Best of Season 21