With extinction imminent the Asgard hand over all their knowledge and technology to SG-1, but not before the Ori launch an attack trying to intercede.
In an elaborate plan using Vala (Claudia Black) as bait to capture Adria (Morena Baccarin), SG-1 themselves are surprised when Ba'al intercepts Adria from under them to use in his own evil plan.
Vala's (Claudia Black) father Jacek (Fred Willard) contacts Stargate Command wishing to trade information about a series of planned attacks on earth in exchange for sanctuary on the planet.
Barely surviving the bombing massacre of a peaceful Jaffa summit, Teal'c (Christopher Judge) must go rogue to track down and stop a Jaffa leader named Arkad (Craig Fairbrass) who plans to take control of the Jaffa nation and deliver them to the Ori.
Mistaken for rebels on an alien planet SG-1 must play the part of hostage takers in hopes to buy them enough time to be rescued before they're executed.
After Netan (Eric Steinberg) and the Lucian Alliance are undermined by SG-1 yet again, he decides to put a bounty out on their heads.
When Daniel Jackson (Michael Shanks) turns up as a prior asking SG-1 to aid him in a plan that might very well be a trap, it's up to Col. Jack O'Neill (Richard Dean Anderson) and the team to save Jackson's life.
An experiment goes wrong leaving Lt. Col. Carter (Amanda Tapping) trapped in a parallel reality where martial law has been enforced and the earth is under attack from the Ori.
Hoping to use Merlin's phasing device to hide a village from the Ori army something goes wrong forcing Mitchell and a critically injured Carter to hide themselves out of phase from an occupation of Ori Soldiers.
Discovering the frozen body of Merlin (Matthew Walker), SG-1 works to help him build the Sangraal before Adria (Morena Baccarin) and her Ori army can track them down.
SG-1 finds the planet where they believe the Sangraal is located, and undertake a quest to find it.
Mitchell goes undercover to track down the Odyssey, which was attacked and boarded by members of the Lucian Alliance.
When Vala is kidnapped by Trust members acting under the orders of the Goa'uld Athena, an accident causes her to lose all memory of who she is and where she came from.
When the Jaffa modify an Ancient device so that it is capable of defeating the Ori, Adria (Morena Baccarin) leads an attack on Dakara.
SG-1 attempts to assist Martin Lloyd (Willie Garson) with his feature film script as a cover story to keep the Stargate Program secret.
SG-1 struggles to control a rash of brutal attacks by an elusive and savage alien creature.
Download the TV Guide app for iPhone, iPad and Android!