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.
All episodes — Season 5
S5 E1Enemies (2)
Jun 29, 20018.244 min
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.
S5 E2Threshold (3)
Jul 6, 20017.244 min
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.
S5 E3Ascension
Jul 13, 20017.344 min
An alien being is smitten with Carter and follows her back to Earth. It assumes a human form and pursues a relationship with her.
S5 E4The Fifth Man
Jul 20, 20017.244 min
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.
S5 E5Red Sky
Jul 27, 20017.344 min
SG-1 discovers that their recent trip through the Stargate may have inadvertently doomed an entire civilization.
S5 E6Rite of Passage
Aug 3, 20016.744 min
Cassandra mysteriously falls ill, sending SG-1 back to her home planet -- where they uncover a dark Goa'uld secret.
S5 E7Beast of Burden
Aug 10, 20017.144 min
SG-1 discovers a civilization that uses Unas as slave labor, and attempt to liberate Daniel's friend, Chaka.
S5 E8The Tomb
Aug 17, 20017.244 min
SG-1 teams with a Russian unit when one of their Stargate teams goes missing in a mysterious alien ziggurat.
S5 E9Between Two Fires
Aug 24, 2001844 min
The Tollan offer Earth advanced weapons technology, prompting a secret investigation on Tollana -- one that leads to a startling discovery.
S5 E102001
Aug 31, 2001844 min
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.
S5 E11Desperate Measures
Sep 7, 20017.744 min
When Carter goes missing, O'Neill teams up with Col. Maybourne again to free her.
S5 E12Wormhole X-Treme!
Sep 8, 20017.744 min
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.
S5 E13Proving Ground
Mar 8, 20027.844 min
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.
S5 E1448 Hours
Mar 15, 20027.644 min
Disaster strikes the Stargate, trapping Teal'c in transit. SG-1 must turn to Russia -- and to their enemies -- for help.
S5 E15Summit (1)
Mar 22, 20028.144 min
The Tok'ra war with the Goa'uld escalates, and the rebel faction sends Daniel Jackson to a secret meeting between the System Lords.
S5 E16Last Stand (2)
Mar 29, 2002844 min
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.
S5 E17Fail Safe
Apr 5, 20027.944 min
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.
S5 E18The Warrior
Apr 12, 20027.444 min
A charismatic Jaffa leader seeks to forge an alliance between Earth and his rebel followers, winning the allegiance of Teal'c and Bra'tac.
S5 E19Menace
Apr 26, 20027.744 min
SG-1 encounters a young woman with the ability to control Replicators, and who may hold the key to the salvation of the Asgard.
S5 E20The Sentinel
May 3, 20027.144 min
SG-1 must turn to a pair of convicted criminals to save a world from annihilation by the Goa'uld.
S5 E21Meridian
May 10, 20028.344 min
Daniel Jackson is exposed to a lethal dose of radiation while visiting an alien civilization that is building a weapon of mass destruction.
S5 E22Revelations
May 17, 20028.544 min
SG-1 must come to the rescue of their once-powerful allies when the Goa'uld attack a secret Asgard laboratory.