Episode Title:
Double Duty.
Episode Description:
The Stargate leads Major Gus Bonner's strike-force to a planet inhabited by the Thorn, a race Major Bonner believes he might have unintentionally infected with a disease during a previous mission. Furthermore, his new team is faced with the hard decision of either placing their loyalty to Stargate Command or protecting what they believe to be an Ancient chrysalis from the evil Tlak'kahn.
