Star Trek: Deep Space Nine: Season 2, Episode 4

Invasive Procedures (17 Oct. 1993)

TV Episode  -   -  Action | Adventure | Drama
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Ratings: 6.9/10 from 373 users  
Reviews: 2 user | 2 critic

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



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Title: Invasive Procedures (17 Oct 1993)

Invasive Procedures (17 Oct 1993) on IMDb 6.9/10

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Episode cast overview:
Doctor Bashir (as Siddig El Fadil)
Jake Sisko (credit only)


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 is life is mediocre and wants Dax's symbiont. Bashir is forced to perform the operation that will mean Dax's life will end soon. Written by Arnoud Tiele (

Plot Summary | Add Synopsis

Plot Keywords:

24th century





Release Date:

17 October 1993 (USA)  »

Company Credits

Production Co:

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Technical Specs


Aspect Ratio:

1.33 : 1
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Did You Know?


Tim Russ took a break from playing the Vulcan Tuvok on Star Trek Voyager to play the Klingon T'Kar. See more »


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


Jadzia: [bereft of her symbiont] I feel so alone.
See more »


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

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User Reviews

The stealing of Dax's symbiont
4 March 2010 | by (United Kingdom) – See all my reviews

With an ion storm raging around the station everybody apart from the command staff, and Quark who refused to leave his gold-pressed latinum, have been evacuated. As they wait for the storm to pass a ship requests help but as soon as it docks the crew over power DS9's skeleton crew and make a shocking demand; they have come for Dax... not Jadzia though, just the symbiont which Verad, an unjoined Trill, believes should be joined with him despite being rejected from the joining programme. He is assisted by two Klingons and an alien woman named Mareel who he is in a relationship with. After the Symbiont is transferred to Verad there will only be a few hours to get it back to Jadzia or she will die. With the symbiont inside him Verad's personality changes dramatically; gone is the unconfident man we saw before, the new Verad Dax is confident and treats Sisko as an old friend while being cold to Mareel. This change of character makes Mareel realise she has lost the man she loves as much as the people of DS9 are losing their friend Jadzia so it is only a matter of time before she does the right thing.

This was a pretty good episode, the highlight of which was seeing Quark attacking a Klingon... even if he was the one responsible for them getting weapons on to the station in the first place. Guest stars John Glover and Megan Gallagher were good as Verad and Mareel. Keen eyed viewers may also have spotted Voyager's Tim "Tuvok" Russ under T'Kar's Klingon make-up.

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