8 user 3 critic

Civil Defense 

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


Reza Badiyi


Gene Roddenberry (based upon "Star Trek" created by), Rick Berman (created by) | 3 more credits »




Episode complete credited cast:
Avery Brooks ... Cmdr. Benjamin Sisko
Rene Auberjonois ... Odo
Alexander Siddig ... Doctor Bashir (as Siddig El Fadil)
Terry Farrell ... Lt. Jadzia Dax
Cirroc Lofton ... Jake Sisko
Colm Meaney ... Chief Miles O'Brien
Armin Shimerman ... Quark
Nana Visitor ... Major Kira
Andrew Robinson ... Garak
Marc Alaimo ... Gul Dukat
Danny Goldring ... Legate Kell


O'Brien and Jake are preparing one of the old ore processing units to convert it for use as a deuterium refinery. Sisko checks up on them, just as Jake finds a strange file in the database which can't be deleted. O'Brien accidentally trips a Cardassian security alert, and must enter a password, but fails. Suddenly, the room's locked down, and a recorded message from Gul Dukat appears on view screens, warning the 'Bajoran workers' to surrender, or face consequences. But their troubles, and that of the station's, are far from over. Written by Arnoud Tiele (imdb@tiele.nl)

Plot Summary | Add Synopsis


TV-PG | See all certifications »

Did You Know?


This episode builds upon the antagonism between Gul Dukat and Garak which was first hinted at in the second season episode Star Trek: Deep Space Nine: Cardassians (1993). It would next be seen in the fourth season episode Star Trek: Deep Space Nine: The Way Of The Warrior (1995). See more »


When Jake is crawling through the ore chute and Sisko and O'Brien are talking with him, when they tap their communicators the activation sound is consistent with Bajoran communicators, not Starfleet. See more »


[Dukat has offered to shut down the self-destruct program in return for allowing the Cardassians to establish a permanent garrison on DS9]
Major Kira: I will destroy this station before I ever give it back to the Cardassians.
Gul Dukat: Yes... I'm sure you would. But... would you allow 2,000 people aboard this station to die simply because you don't like... us?
See more »


Referenced in After Trek: Magic to Make the Sanest Man Go Mad (2017) See more »


Star Trek: Deep Space Nine - Main Title
Written by Dennis McCarthy
Performed by Dennis McCarthy
See more »

User Reviews

Just Too Much Like Lost in Space
11 October 2018 | by HitchcocSee all my reviews

The premise to this is fine and it is fun up to a point. The problem is that Gul Dukat shows up and begins to extort people. He is the face of the computer which is programmed to keep miners from shirking their duties and rebelling against their masters. This program was left in place when the Cardassians left the station. It is well set up, but it devolves into a silly "we've only got so much time" and how can we get there" episode with several deus ex machina moments. There is some humor which would not be a part of a serious episode. So while the byplay is fun, it really doesn't work very well. I also have a question: What happens to Gul Dukat at the end?

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Release Date:

7 November 1994 (USA) See more »

Company Credits

Production Co:

Paramount Television See more »
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Aspect Ratio:

1.33 : 1
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