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Stargate SG-1 S4E20 — Entity
7.0
Stargate SG-1•Season 4•Episode 20

Entity

7.0/10 · 1,449 votesFeb 9, 200144 min

Ranked #21 of 22 in Season 4•−0.8 vs season avg

Discussion

The SGC is invaded by an alien life force that takes up residence in the base computer system -- and in Major Carter.

Directed byAllan Lee
Written byPeter DeLuise
Previous episodeE19 · ProdigyNext episodeE21 · Double Jeopardy
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Cast5

Richard Dean Anderson

Richard Dean Anderson

Jack O'Neill

Amanda Tapping

Amanda Tapping

Samantha Carter

Christopher Judge

Christopher Judge

Teal'c

Michael Shanks

Michael Shanks

Daniel Jackson

Don S. Davis

Don S. Davis

George Hammond

Crew2

A

Allan Lee

Director

Peter DeLuise

Peter DeLuise

Writer

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Episode Summary

"Entity" is episode 20 of Stargate SG-1 season 4. It scored 7.0/10 from 1,449 votes, ranking #21 of 22 episodes this season (season average 7.8). Directed by Allan Lee and written by Peter DeLuise, it aired on February 9, 2001.

Next: E21 · Double JeopardyBest of Season 4