10 Season
214 Episode
Stargate SG-1 - Season 4 Episode 20 Entity
Saving the world... one episode at a time
The SGC is invaded by an alien life force that takes up residence in the base computer system -- and in Major Carter.
- Year : 2007
- Country : Canada, United States of America
- Genre : Sci-Fi & Fantasy, Action & Adventure, Mystery
- Studio : Showtime, Syfy
- Keyword : space travel, space, travel, alien, alien planet, military, distant planet, secret military program
- Director : Jonathan Glassner, Brad Wright
- Cast : Ben Browder, Amanda Tapping, Christopher Judge, Michael Shanks, Claudia Black, Beau Bridges
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