Egeria was first mentioned in Stargate SG-1 season 4, episode 4, "Crossroads," but she appeared for the first time in season 6, episode 10, "Cure." This was when SG-1 discovered that Ra had ...

While the original series, Stargate SG-1 ... 6 would be greenlit during the production of Season 5, the producers attempted to convince MGM and Syfy to extend the fifth season from 20 to 22 episodes.