Star Trek: Voyager: Season 4, Episode 24

Demon (6 May 1998)

TV Episode  |   |  Action, Adventure, Sci-Fi
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Desperate to replenish the ship's power resources, Voyager seeks out a deuterium signature on a class "Y" a.k.a. "Demon Class" planet. After nearly being lost, Paris and Kim are thought to ... See full summary »



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Desperate to replenish the ship's power resources, Voyager seeks out a deuterium signature on a class "Y" a.k.a. "Demon Class" planet. After nearly being lost, Paris and Kim are thought to be "bioformed" to the planet's atmosphere. Further investigation uncovers a strange life-form that, after making contact with the away team, has developed self-awareness and will do anything to keep it. Written by Meribor

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24th century | See All (1) »




Release Date:

6 May 1998 (USA)  »

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Aspect Ratio:

1.33 : 1
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Did You Know?


This takes place in 2374. See more »


Paris says the temperature on the planet is "500 degrees Kelvin". The Kelvin scale is not measured in degrees, the correct description would be "500 Kelvins". See more »


[Kim intends to shuttle to the demon class planet to collect deuterium, despite Janeway's and Tuvok's reservations]
Captain Kathryn Janeway: Even if I agreed, I'd never let you go alone.
Harry Kim: Of course not. That's why I'm volunteering my good buddy Tom here to go with me.
See more »


Referenced in Star Trek: Voyager: Course: Oblivion (1999) See more »


Star Trek: Voyager - Main Title
Written by Jerry Goldsmith
Performed by Jay Chattaway
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User Reviews

Pretty cool
23 February 2015 | by (Bradenton, Florida) – See all my reviews

"Demon" is a very unusual episode because it looks a lot more expensive and outer spacey compared to most episodes in the "Star Trek" world. Too often, when they visit worlds they all look about the same. However, here they land on a hot planet a bit like Mercury and to do so, they wear neat space suits. As for the planet, it looks really great!

The show begins with Paris and Kim beaming down to this hellish looking planet. The ship needs power and they are there to see what they can find. However, something weird happens--when they try to beam back to the ship, neither can breath--like the planet has done something to change their physiology. However, there's far more to it than this...

The story is nice and the sets are great. Worth seeing.

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