When powerful aliens come through Earth’s Stargate, Colonel Jack O’Neill returns to Abydos to retrieve Daniel Jackson, who has discovered that the alien transit system includes much more than the…

Crowley turns to Dean for help to locate the First Blade, the only weapon that can kill Abaddon. However, they soon discover that the trail leads to Cain… the Father…

Lingering feelings of rage lead Saul Tigh and Kara Thrace to cause problems aboard Galactica between the survivors from New Caprica and those who stayed with the fleet during the…