Stargate SG 1 Episode Guide. While attending the execution of the last System Lord, Baal, SG 1 escape to Earth when Tealc and Vala disappear. Watch Live Evil HDQ on this page. They soon realize that their timeline had been altered after a fleet of Goauld motherships have closed in on Earth led by none other than Lord Baal, his Queen Quetesh and First Prime Tealc. Stargate Season 7 Episode 6' title='Stargate Season 7 Episode 6' />A new member joins the team, and SG1 and Stargate Command are forever changed. A powerful new enemy from a distant galaxy targets the Milky Way Galaxy with demands. Episode Recap Stargate SG1 on TV. Watch Stargate SG1 episodes, get episode information, recaps and more. Watch Stargate Atlantis Season 2 Episode 6 Trinity. Online for free in high definition. TV Shows and Documentaries.