22 episodesFirst aired 29 June 2001
SG-1 trains a team of raw cadets, and Colonel O'Neill is forced to take them into a real-life battle situation when he learns of a possible alien incursion at the S.G.C. After an accident with the Stargate traps Teal'c in transit, SG-1 must turn to Russia – and to their enemies – for help before time runs out.
E1Jun 200144m
SG-1 finds themselves stranded in a crippled ship in a distant galaxy -- with Apophis threatening to destroy them. Teal'c is brainwashed and made loyal to Apophis once again.
E2Jul 200144m
His mind altered by Apophis, Teal'c must undergo a ritual that takes him to the edge of death itself, in order for him to rediscover who he is.
E3Jul 200144m
An alien being is smitten with Carter and follows her back to Earth. It assumes a human form and pursues a relationship with her.
E4Jul 200144m
O'Neill and Lieutenant Tyler are ambushed by Goa'uld forces and trapped behind enemy lines -- while the rest of their team discover they don't know who Tyler is.
E5Jul 200144m
SG-1 discovers that their recent trip through the Stargate may have inadvertently doomed an entire civilization.
E6Aug 200144m
Cassandra mysteriously falls ill, sending SG-1 back to her home planet -- where they uncover a dark Goa'uld secret.
E7Aug 200144m
SG-1 discovers a civilization that uses Unas as slave labor, and attempt to liberate Daniel's friend, Chaka.
E8Aug 200144m
SG-1 teams with a Russian unit when one of their Stargate teams goes missing in a mysterious alien ziggurat.
E9Aug 200144m
The Tollan offer Earth advanced weapons technology, prompting a secret investigation on Tollana -- one that leads to a startling discovery.
E10Aug 200144m
SG-1 encounters a potential new, technologically advanced ally in the war against the Goa'uld -- though they do not know the Aschen's dark secret.
E11Sept 200144m
When Carter goes missing, O'Neill teams up with Col. Maybourne again to free her.
E12Sept 200144m
An alien ship approaches Earth, sending SG-1 to an old friend for some answers -- where they discover that Martin Lloyd has created a TV show about the Stargate program.
E13Mar 200244m
SG-1 trains a team of raw cadets, and Colonel O'Neill is forced to take them into a real-life battle situation when he learns of a possible alien incursion at the SGC.
E14Mar 200244m
Disaster strikes the Stargate, trapping Teal'c in transit. SG-1 must turn to Russia -- and to their enemies -- for help.
E15Mar 200244m
The Tok'ra war with the Goa'uld escalates, and the rebel faction sends Daniel Jackson to a secret meeting between the System Lords.
E16Mar 200244m
Dr. Jackson's undercover mission to a Goa'uld summit is complicated by the arrival of a surprise guest. The rest of the team face a full-scale invasion of the Tok'ra homeworld.
E17Apr 200244m
Earth finds itself threatened by something even larger than the Goa'uld when the team learns that an asteroid is on a collision course with the planet.
E18Apr 200244m
A charismatic Jaffa leader seeks to forge an alliance between Earth and his rebel followers, winning the allegiance of Teal'c and Bra'tac.
E19Apr 200244m
SG-1 encounters a young woman with the ability to control Replicators, and who may hold the key to the salvation of the Asgard.
E20May 200244m
SG-1 must turn to a pair of convicted criminals to save a world from annihilation by the Goa'uld.
E21May 200244m
Daniel Jackson is exposed to a lethal dose of radiation while visiting an alien civilization that is building a weapon of mass destruction.
E22May 200244m
SG-1 must come to the rescue of their once-powerful allies when the Goa'uld attack a secret Asgard laboratory.