Vala learns that one of the planets she ruled as a Goa'uld has been visited by an Ori Prior and convinces SG-1 to try and go there to convince the inhabitants to refuse the Prior's offer. As usual, all is not as it seems with Vala's being there until the Prior visits again and unleashes a deadly plague.
original airdate--August 12,2005 rating--2.0 million
network: SyFy channel
music: Stargate SG-1 theme music by David Arnold