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Invasive Procedures 

A jealous Trill, who had waited his entire life to receive a symbiont but never did, decides to steal Dax's.


Les Landau


Gene Roddenberry (based upon "Star Trek" created by), Rick Berman (created by) | 5 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 (credit only)
Colm Meaney ... Chief Miles O'Brien
Armin Shimerman ... Quark
Nana Visitor ... Major Kira
John Glover ... Verad
Megan Gallagher ... Mareel
Tim Russ ... T'Kar
Steve Rankin ... Yeto


A plasma storm is approaching the station and almost all personnel has been evacuated, only a skeleton crew remains. Suddenly a distress call from a cargo ship comes in and Sisko decides to respond. A tractor beam pulls it in, but it's no cargo ship at all. Two Klingons, a Trill and a female Khefkan overpower Odo and O'Brien and then the rest of the crew. The Trill, Verad, is unjoined and seems very frustrated about that. He thinks his life is mediocre and wants Jadzia's symbiont. Bashir is forced to perform the operation that will mean her life will end soon. Written by Arnoud Tiele (imdb@tiele.nl)

Plot Summary | Add Synopsis


TV-PG | See all certifications »

Did You Know?


Robert Hewitt Wolfe says that this show was created because the producers wanted to convey to the audience the idea that not every single Trill was joined, that it was actually extremely difficult to get a symbiont. This, in turn, offered a commentary on the Jadzia character insofar as she was someone who did become joined. See more »


After the operation, the vital signs monitor flutters, so that you can tell it's a transparency. See more »


Quark: [about Rom] I know, I know - he couldn't find a cup of water if you dropped him in a lake, but... even if he is an idiot, he's still my brother.
Odo: And you'd betray him in a second if it suited your interests.
Quark: That doesn't mean I don't love him.
See more »


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

User Reviews

A Second LIfe
29 September 2018 | by HitchcocSee all my reviews

Because of Quark's treachery (again and with few consequences) a pair of Klingons and a strange couple appear on board,, draw weapons and make their way into the station's nerve center. The man is a Trill and demands that Dax be removed from his host and place in him. He feels he deserves this because he is mediocre. Through threat to the crew, they agree to let this happen. The Doctor, under duress, must perform the operation, but it alters the new host in such a way that his actions upset the order of things with his colleagues. Of course, there has got to be plan. Dax and Sisko are old friends and their connections precipitates more than a casual interaction. A very interesting episode.

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Release Date:

17 October 1993 (USA) See more »

Company Credits

Production Co:

Paramount Television See more »
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Aspect Ratio:

1.33 : 1
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