When an entire people may suffer the fatal wrath of a Prior of the Ori for not converting, General Landry orders Carter to try out an experimental device based on Merlin' ...

Vala leads SG-1 to a planet which the Priors have visited with a plan to keep them from worshiping the Ori. Once there she reveals that the symbiote that once held her ru ...

A large asteroid is discovered on a heading straight towards Earth. If it hits, all life on Earth would likely be destroyed. SG-1 initiates a plan to repair a crashed Goa ...