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

Civil Defense (7 Nov. 1994)

TV Episode  -   -  Action | Adventure | Drama
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Ratings: 7.7/10 from 393 users  
Reviews: 2 user | 1 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 7.7/10

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Episode credited cast:
Doctor Bashir (as Siddig El Fadil)
Rest of cast listed alphabetically:
Zak Knutson ...
Paclid Commander


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 (

Plot Summary | Add Synopsis

Plot Keywords:

24th century





Release Date:

7 November 1994 (USA)  »

Company Credits

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Technical Specs


Aspect Ratio:

1.33 : 1
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Did You Know?


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 »


[Ops is under phaser fire, although not harming Dukat and Garak]
Garak: It would appear that the computer is only targeting non-Cardassians.
Gul Dukat: If you had been on the station when I designed this program, I would have made an exception in your case.
Garak: Well, you've aways been shortsighted. It's held you back over the years.
See more »


Star Trek: Deep Space Nine - Main Title
Written by Dennis McCarthy
Performed by Dennis McCarthy
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User Reviews

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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