SG-1 discovers a race of attractive people who age extremely rapidly. The situation becomes personal when O’Neill begins to suffer from the same accelerated aging, and must live out the rest of his life on the planet.

Pressed by the government to acquire new technologies, SG-1 is led to a world inhabited by a seemingly primative race. When Apophis arrives, SG-1 ambush him with disasterous consequences.

During an off-world assignment, Jack is struck down by energy from a blue crystal… which creates a duplicate of him that returns to Earth in Jack’s place.

SG-1 must stop a renegade Stargate commander, who has gone mad and set himself up as a god on an alien planet.

Members of SG-1 become infected with an alien virus that turns them into primitive beings. Dr. Fraiser must find a cure to save the team and the alien population from whom it was contracted.

An alien civilization is forced to reconsider their views on women when Carter rebels against their social customs.

Major Kawalsky is possessed by a Goa’uld, and the SGC must find a way to remove it without killing him.

Colonel O’Neill, leading the new SG-1, track Apophis back to the planet Chulak to rescue Sha’re and Skaara, and befriend one of Apophis’ Jaffa guards.

When powerful aliens come through Earth’s Stargate, Colonel Jack O’Neill returns to Abydos to retrieve Daniel Jackson, who has discovered that the alien transit system includes much more than the two planets.