Star Trek: Deep Space Nine: Season 3, Episode 7

Civil Defense (7 Nov. 1994)

TV Episode  |   |  Action, Adventure, Drama
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Ratings: 7.8/10 from 476 users  
Reviews: 3 user | 3 critic

The station goes into lockdown and the crew is endangered when an old Cardassian security program is accidentally activated.



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Title: Civil Defense (07 Nov 1994)

Civil Defense (07 Nov 1994) on IMDb 7.8/10

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Episode credited cast:
Doctor Bashir (as Siddig El Fadil)
Rest of cast listed alphabetically:
Susan Henley ...
Command division officer
Paclid Commander
Robin Morselli ...
Bajoran officer


O'Brien and Jake are examining one of the old ore processing unit to see if it can be turned into a deuterium refinery. Sisko checks up on them, just while Jake finds a strange file in the database that he can't delete. When O'Brien wants to set it apart for analyzing, he trips a Cardassian security alert. He must enter a password, but fails. Suddenly the room is locked down and a recorded message Gul Dukat appears on a view screen. He warns the 'Bajoran workers' to surrender to their superiors or face the consequences. Neurocine gas will be released. With the first option not possible, Jake finds a way out of the room through an uridium shaft. But their troubles and that of the station's are far from over. Written by Arnoud Tiele (

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Plot Keywords:

24th century | See All (1) »





Release Date:

7 November 1994 (USA)  »

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Aspect Ratio:

1.33 : 1
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Did You Know?


"Civil Defense" resembles the Voyager episode "Worst Case Scenario". In both episodes the crew trigger a computer program which they are unable to shut down and which proves life-threatening. In "Civil Defense", the program becoming a threat to the crew was accidental. In "Worst Case Scenario", however, the program had been placed there specifically for that purpose. Coincidentally, in both episodes the programs' creators are Cardassian. See more »


The station security system demanding upper level security clearances to end a revolt is a glaring error by the Cardassians - in a revolt, the death of the higher-ups would very likely be one of the first events to occur. The lack of their presence would doom a station with many Cardassians on board. See more »


Gul Dukat: I set up this program, and I assure you, Major, I will find a way to defeat it. There is no dilemma that cannot be solved by a disciplined, Cardassian mind.
Garak: It's not going to work, you know.
Gul Dukat: What are you babbling on about now?
Garak: I'm talking about Major Kira.
Major Kira: What about her?
Garak: She's much too busy trying to save this station to be impressed with your incessant posturing.
Gul Dukat: [outraged] Garak!
Garak: And even if she weren't, she has much better taste than to be attracted to you - you, a married man.
Gul Dukat: I should've ...
See more »


Star Trek: Deep Space Nine - Main Title
Written by Dennis McCarthy
Performed by Dennis McCarthy
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you might want to pass on this one
27 April 2012 | by (Lincoln, Nebraska) – See all my reviews

As I write, this has a 7.8 IMDb scoring, but it's not a very good episode IMHO. Station goes into lock-down, based on an old Cardassian program in case of a Bajoran worker revolt. Which is a pretty cool idea. Then, for dramatic tension, the self-destruct countdown starts. Sound familiar? And later on, air shafts (aka, utility shafts) come into use. Aah, air shafts, the writer's best friend. There is a very clever complication about halfway through, which I enjoyed, and you might watch it for that. But otherwise this one runs just by the numbers. Just imagine what it would be like and save yourself forty minutes. If you love the show, it will be all right, but I'd recommend skipping to a better episode.

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