Tracy Westerholm

SG-1 encounters a young woman with the ability to control Replicators, and who may hold the key to the salvation of the Asgard.

Disaster strikes the Stargate, trapping Teal’c in transit. SG-1 must turn to Russia — and to their enemies — for help.

A Tok’ra archaeologist arrives at the SGC with newly discovered technology, giving the SG-1 team superhuman powers.

An alien artifact causes Daniel to disappear, and the team looks for help from his institutionalized grandfather.

SG-1 returns from a mission and discovers that metamorphic aliens have taken over the complex.

SG-1 must free an alternate reality Earth from a Goa’uld invasion after duplicates of Samantha Carter and Charles Kawalsky come through the quantum mirror.

SG-1 is put on trial and exiled to a prison world, where a woman maintains a strange control over her fellow prisoners.

Carter is possessed by a Goa’uld who claims to be an enemy of the System Lords.

The SG-1 team rescues a group of advanced humans from a planet near destruction, and must find a new home for the refugees before the Pentagon gets their hands on…

The banished Goa’uld Hathor is found in an ancient sarcophagus Earth, and takes over the S.G.C. with hopes of raising a new army against the System Lords.

Mac and a bounty hunter join forces with a bulldog named Frog to track down a Bulgarian defector who was the accidental witness at a murder and who is now…