SG-1 Season Five Episode Guide

Enemies
EPISODE #: 501     AIR DATE: 06.29.2001     
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.
Threshold
EPISODE #: 502     AIR DATE: 07.06.2001     
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.
Ascension
EPISODE #: 503     AIR DATE: 07.13.2001     
An alien being is smitten with Carter and follows her back to Earth, assuming human form and pursuing a relationship with her.
The Fifth Man
EPISODE #: 504     AIR DATE: 07.20.2001     
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.
Red Sky
EPISODE #: 505     AIR DATE: 07.27.2001     
SG-1 discovers that their trip through the Stargate may have inadvertently doomed an entire civilization, and plead with the Asgard for assistance.
Rite of Passage
EPISODE #: 506     AIR DATE: 08.03.2001     
Cassandra mysteriously falls ill, sending SG-1 back to her home planet – where they uncover a dark Goa'uld secret.
Beast of Burden
EPISODE #: 507     AIR DATE: 08.10.2001     
SG-1 discovers a civilization that uses Unas as slave labor, and attempt to liberate Daniel's friend, Chaka.
The Tomb
EPISODE #: 508     AIR DATE: 08.17.2001     
SG-1 teams with a Russian unit when one of their Stargate teams goes missing in a mysterious alien ziggurat.
Between Two Fires
EPISODE #: 509     AIR DATE: 08.24.2001     
The Tollan offer Earth advanced weapons technology, prompting a secret investigation on Tollana – one that leads to a startling discovery.
2001
EPISODE #: 510     AIR DATE: 08.31.2001     
SG-1 encounters a potential new, technologically advanced ally in the war against the Goa'uld – though they do not know the dark secret of the Aschen.
Desperate Measures
EPISODE #: 511     AIR DATE: 09.07.2001     
When Major Carter is kidnapped by a terminally ill man who intends to use a Goa'uld symbiote to save his life, O'Neill is forced to team up with an old foe to find her.
Wormhole X-Treme!
EPISODE #: 512     AIR DATE: 09.08.2001     
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.
Proving Ground
EPISODE #: 513     AIR DATE: 03.08.2002     
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.
48 Hours
EPISODE #: 514     AIR DATE: 03.15.2002     
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.
Summit
EPISODE #: 515     AIR DATE: 03.22.2002     
The Tok'ra send Daniel Jackson to a secret meeting between the System Lords, unaware that a new power is about to attack the Tok'ra homeworld.
Last Stand
EPISODE #: 516     AIR DATE: 03.29.2002     
Dr. Jackson's undercover mission to a Goa'uld summit is complicated by the arrival of a surprise guest. Meanwhile, the rest of the team is buried under the surface of the Tok'ra homeworld after a Goa'uld attack.
Fail Safe
EPISODE #: 517     AIR DATE: 04.05.2002     
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.
The Warrior
EPISODE #: 518     AIR DATE: 04.12.2002     
A charismatic Jaffa leader seeks to forge an alliance between Earth and his rebel followers, winning the allegiance of Teal'c and Bra'tac.
Menace
EPISODE #: 519     AIR DATE: 04.26.2002     
SG-1 encounters a young woman with the ability to control Replicators, and who may hold the key to the salvation of the Asgard.
The Sentinel
EPISODE #: 520     AIR DATE: 05.03.2002     
SG-1 must turn to a pair of convicted criminals to save a world from annihilation by the Goa'uld.
"Meridian" (Stargate SG-1) Meridian
EPISODE #: 521     AIR DATE: 05.10.2002     
Daniel Jackson is exposed to a lethal dose of radiation while visiting an alien civilization that is building a weapon of mass destruction.
Revelations
EPISODE #: 522     AIR DATE: 05.17.2002     
SG-1 must come to the rescue of their once-powerful allies when the Goa'uld attack a secret Asgard laboratory.