Season 1, Episode 3 The Enemy Within
First Aired: August 1, 1997
New SG-2 commander Kowalsky is overtaken by a parasite, which then forces the leader to try to reenter the Stargate. Kowalsky: Jay Acovone. O'Neill: Richard Dean Anderson. Carter: Amanda Tapping. Jackson: Michael Shanks.
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- Premiered: July 27, 1997
- Rating: TV-PG
- Premise: A military unit uses an ancient archway to travel the universe and battle alien parasites in this cult sci-fi adventure based on the 1994 film `Stargate.' Curmudgeonly Col. Jack O'Neill teams with an archaeologist, an astrophysicist and an alien to combat… (more)