The continuing, and final, adventures of the SG-1 military team, which sees them undertaking missions across the universe through the stargates, encountering various alien creatures and cultures on their journeys.
Episode 17: "Talion" - Barely surviving the bombing massacre of a peaceful Jaffa summit, Tealc (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.
Episode 18: "Family Ties" - Valas 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.
Episode 19: "Dominion" - In an elaborate plan using Vala (Claudia Black) as bait to capture Adria (Morena Baccarin), SG-1 themselves are surprised when Baal (Cliff Simon) intercepts Adria from under them to use in his own evil plan.
Episode 20: "Unending" - 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.
Audio Commentaries: "Talion" by director Andy Mikita & actor Christopher Judge. "Family Ties" by executive producers Joseph Mallozzi & Paul Mullie. "Dominion" by writer Alan McCullough & director William Waring. "Unending" by executive producer, writer and director Robert C. Cooper, director of photography Jim Menard & actor Amanda Tapping. Stargate SG-1 Directors Series: "Unending", featuring Robert C. Cooper. Deleted Scenes with intro and commentary by Joseph Mallozzi. Two photo galleries.