Season 9, Episode 13 Ripple Effect
First Aired: January 20, 2006
When several look-alike SG-1 teams arrive at Stargate Command, the real team deduces that the others are not clones but teams displaced from alternate realities. Maj. Gen. Hank Landry: Beau Bridges. Carter: Amanda Tapping.
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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)