PG certificateStargate SG-1 is a Science Fiction Series programme that first aired in 1997 and has been classified a PG certificate.

Entity is a 4/5 star episode.
4 star rating
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Stargate SG-1: Entity

Series 4, episode 20

Written by
Directed by
Allan Lee

Originally Aired On: Friday, 09 February 2001

Episode Rating: 4 star rating

An alien probe downloads itself into the computer system, accessing sensitive data on the SGC and its personnel before taking over Carter's body. As disaster looms, O'Neill is faced with a horrific decision. Sci-fi drama, starring Richard Dean Anderson

Cast

Image for Richard Dean AndersonRichard Dean Anderson...Col. Jack O'Neill
Image for Michael ShanksMichael Shanks...Dr. Daniel Jackson
Image for Amanda TappingAmanda Tapping...Major Samantha Carter
Image for Christopher JudgeChristopher Judge...Teal'c
Image for Don S. DavisDon S. Davis...Major General George Hammond
Image for Gary JonesGary Jones...Sgt. Walter Harriman
Image for Teryl RotheryTeryl Rothery...Dr. Janet Fraiser
Dan Shea...Sgt. Siler