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…

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.

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…

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 Cupid's infant son, Bliss, runs amok putting love spells on unsuspecting people, Xena falls in love with the warlord, Draco, Draco falls for Gabrielle and Gabrielle gets the hots…