High Quality Content by WIKIPEDIA articles! "Window of Opportunity" is the sixth episode from season 4 of the science fiction television series Stargate SG-1, and first aired on the American subscription channel Showtime on August 4, 2000. The episode is based on a time loop scenario, with SG-1 team members Colonel O`Neill and Teal`c repeatedly reliving the same six or ten hours after a mission on a planet. Since the rest of their team and all personnel at Stargate Command are unaware of the happenings and do not remember the time resets, O`Neill and Teal`c are forced to find a solution on their own.