NCIS (2003– )
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1:23 | Trailer
The team investigates the murder of a deep-sea diver outside a high-tech decompression chamber where the body and suspects have to stay for four days.


Thomas J. Wright


Donald P. Bellisario (created by), Don McGill (created by) | 1 more credit »



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Episode cast overview, first billed only:
Mark Harmon ... Leroy Jethro Gibbs
Michael Weatherly ... Anthony DiNozzo
Pauley Perrette ... Abby Sciuto
Sean Murray ... Timothy McGee
Brian Dietzen ... Jimmy Palmer
Emily Wickersham ... Ellie Bishop
Rocky Carroll ... Leon Vance (credit only)
David McCallum ... Donald Mallard
Maya Stojan ... Meredith Ragen
Greg Serano ... Jalen Washington
Henderson Wade ... Sam Harper
Tim Conlon ... Jerry Grossman
Brett Rice ... Captain RJ Hammond
John DeMita ... Navy Admiral Jorge Morales
Aaron Hendry ... Bob Mugford


A Navy diver dies while in the decompression chamber. Gibbs goes to investigate and brings Ducky along but Ducky can't examine the body because it and the three suspects are in a decompression chamber which can't be opened four 4 days. So Gibbs has DiNozzo check the guy out. He tries to find out what they are doing, because supposedly they are suppose to be working on the oil pipeline but they're far from it. He tries to get the other divers to talk but a lawyer from the company they work for shows up and tells Gibbs they can't talk about what they were doing because they signed a non disclosure agreement. Written by

Plot Summary | Add Synopsis






Release Date:

9 February 2016 (USA) See more »

Company Credits

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Technical Specs


Sound Mix:




Aspect Ratio:

16:9 HD
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Did You Know?


Pauley Perrette's fiancé is a science diver in California, He helped with the technical side of this episode See more »


The dive team is breathing tri-mix gas containing helium. They would sound like chipmunks. This was alluded to when Abby was discussing the decedent's oxygen deprivation. See more »


Ellie Bishop: [reading a card from Abby] "Roses are red/They go in a bucket/Jake is a jerk/He can go suck it." That's sweet.
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References Max Headroom (1987) See more »


NCIS Theme
Written by Joseph Conlan and Brian Kirk
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User Reviews

Excellent example of "locked room" mystery
10 February 2016 | by lor_See all my reviews

Mystery story fans love the classic "locked room" mystery gambit, where Miss Marple or Hercule Poirot has to solve a murder which occurred in a locked room with seemingly no way in or out.

This unusual "NCIS" episode adapted the ploy to suspenseful effect by having all three suspects locked (necessarily) in a divers' decompression chamber with the dead victim for days, which had me guessing and was resolved satisfyingly with a topical and credible deus ex machina explanation of both motive and whodunit. On the basis of this assignment, TV writer Brendan Fehily strikes me as ready to script a feature film, perhaps in the heightened suspense and/or paranoia genre associated with Larry Cohen in such films as "Phone Booth" and "God Told Me To".

The lawyer character who effectively blocked our hero Mark Harmon's vaunted interrogation techniques was well written and made for a wonderful gotcha when Harmon eventually puts the pieces together.

Another interesting aspect of this offbeat episode was its willful failure to hand out crumbs in order to get every team member involved. Both Rocky Carroll and Brian Dietzen were given the week off and I much prefer this policy rather than the often artificial "let's give everyone exposure" mode that dilutes the power of so many TV episodes. Let's face it: sometimes Kobe needs to keep the ball and do all the scoring for the team to win. Also, the "St. Valentine's Day" tie-in to the show's air date was handled as fun diversions without getting in the way of the story as so often happens with Christmas or Thanksgiving cornball television salutes.

Now the big issue remains: how will the writers deal with the finale for Michael Weatherly's beloved (and integral to the series' success) character Tony DiNozzo? I'm hoping Robert Wagner will be involved one last time in some capacity in the send-off, certainly a challenge to maintain the proper tone. As far as successor, I wouldn't be surprised if they merely promote an actor from one of the farm teams, either L.A. or New Orleans. Ted Danson is unavailable. Or how about reviving good old Meg Ryan's career with her becoming the go-to agent on the team, in honor of her co-starring so long ago in Harmon's one big shot at movie stardom: "The Presidio".

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