The Stargate is an intergalactic gateway, developed by an ancient civilization, that links other planets from other solar systems to ours. The U.S. Air Force assembles a Stargate team headed by Colonel Jack O'Neill for interstellar peacekeeping missions.

Developed for television by Brad Wright & Jonathan Glassner. Originally broadcast on television during the 2004-2005 season. Contains all 20 episodes from the eighth season. Special features: Disc 1: Audio commentary for each episode; "SG-1 Beyond the gate: an Air Force experience with Richard Dean Anderson"; photo and production design galleries ; Disc 2: Audio commentary for each episode; "SG-1 directors series: Avatar"; "SG-1 directors series: Covenant"; photo and production design galleries ; Disc 3: Audio commentary for each episode; "Super soldier: the making of a monster featurette"; photo and production design galleries ; Disc 4: Audio commentary for each episode; "SG-1 Beyond the gate: a convention experience with Christopher Judge"; photo and production design galleries ; Disc 5: Audio commentary on selected episodes; "SG-1 directors series: Reckoning"; photo and production design galleries.

Disc 1: Episode 1: New order ; Episode 2: New order, pt. 2 ; Episode 3: Lockdown ; Episode 4: Zero hour -- Disc 2: Episode 5: Icon ; Episode 6: Avatar ; Episode 7: Affinity ; Episode 8: Covenant -- Disc 3: Episode 9: Sacrifices ; Episode 10: Endgame ; Episode 11: Gemini ; Episode 12: Prometheus unbound -- Disc 4: Episode 13: It's good to be king ; Episode 14: Full alert ; Episode 15: Citizen Joe ; Episode 16: Reckoning -- Disc 5: Episode 17: Reckoning, pt. 2 ; Episode 18: Threads ; Episode 19: Moebius ; Episode 20: Moebius, pt. 2.