After witnessing his girlfriend's murder, a man risks everything - including reality itself - to discover the truth.
The story of Stargate SG-1 begins about a year after the events of the feature film, when the United States government learns that an ancient alien device called the Stargate can access a network of such devices on a multitude of planets. SG-1 is an elite Air Force special operations team, one of more than two dozen teams from Earth who explore the galaxy and defend against alien threats such as the Goa'uld, Replicators, and the Ori.
Amanda Tapping (born 28 August 1965 in Rochford, Essex) is an English-born Canadian actress, producer and director. She is best known for portraying Samantha Carter in the Canadian-American military science fiction television series Stargate SG-1 and Stargate Atlantis.