An interstellar teleportation device, found in Egypt, leads to a planet with humans resembling ancient Egyptians who worship the god Ra.

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 Earth, SG-1 travels to the Ori galaxy aboard the Odyssey. The International Oversight committee have their own plans and SG-1 finds themselves...

Sixty days on and Rygel is retrieving pieces of John and Aeryn from the sea bed. The Diagnosan re-crystalises them and they start getting to know the local species. Meanwhile, Scorpius and Sikozu are aboard a Peacekeeper Command Carrier on a recon mission. They attack a Scarren ship, which provokes the Scarrens into declaring war on Th...