SG-1 searches for an ancient weapon which could help them defeat the Ori, and discover it may be in the Ori's own home galaxy. As the Ori prepare to send ships through to the Milky Way to attack ...

"Stargate SG-1" heavily draws from mythology and legend to weave the Ori arc, and this culminates in the sequel film "Stargate: The Ark of Truth," in which Adria emerges as the primary antagonist.

travel to the ruins of Dakara in hopes of finding the fabled Ark of Truth. Built by the Alterans, (builders of the stargates), millions of years before, this ancient artifact may be the sole means ...