Ba'al travels back in time and prevents the Stargate program from being started. SG-1 must somehow restore history.
- Genre: Action, Adventure, Science Fiction, TV Movie
- Studio: Acme Shark, Kawoosh! Productions DTV II, MGM Global Holdings, Metro-Goldwyn-Mayer
- Keyword: spacecraft, space travel, time travel, alien, alien invasion, changing history
- Cast: Ben Browder, Amanda Tapping, Christopher Judge, Michael Shanks, Claudia Black, Beau Bridges