When powerful aliens come through Earth's Stargate, Colonel Jack O'Neill returns to Abydos to retrieve Daniel Jackson...

Colonel O'Neill, leading the new SG-1, track Apophis back to the planet Chulak to rescue Sha're and Skaara, and befri...

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

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

Members of SG-1 become infected with an alien virus that turns them into primitive beings. Dr. Fraiser must find a cu...

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

During an off-world assignment, Jack is struck down by energy from a blue crystal... which creates a duplicate of him...

Pressed by the government to acquire new technologies, SG-1 is led to a world inhabited by a seemingly primative race...

SG-1 discovers a race of attractive people who age extremely rapidly. The situation becomes personal when O'Neill beg...

Teal'c and O'Neill are transported to an underground cage designed by the Asgard to protect an alien world from the G...

SG-1 tracks down Catherine Langford's fiancee, who took the first Stargate trip in 1945, and discovers an ancient mee...

Teal'c returns to Chulak to stop his people from implanting his son with a larval Goa'uld.

Daniel is taken captive by an alien with a hidden agenda, while SG-1 is made to believe he is dead.

The banished Goa'uld Hathor is found in an ancient sarcophagus Earth, and takes over the S.G.C. with hopes of raising...

A mysterious affliction wipes out the entire population of a planet, plus an SG team -- except for one young girl. Ca...

Teal'c must stand trial for a crime committed while he served as first prime of Apophis when a villager on an alien w...

The SG-1 team rescues a group of advanced humans from a planet near destruction, and must find a new home for the ref...

Colonel O'Neill and Captain Carter are separated from Jackson and Teal'c during a Stargate journey, and are trapped o...

The members of SG-1 arrive on P3X-989 and are knocked unconscious. They wake up and return to Earth only to find that...

An alien artifact transports Daniel to an alternate reality, where he is not a part of the Stargate program and the G...

Senator Kinsey arrives at the SGC to investigate the program and determine whether the great drain on the U.S. budget...

SG-1 escapes through the Stargate before it is shut down, and learns that Daniel's alternate reality vision is true: ...