

SG-1 in their fight against the Goa'uld Empire's System Lords, the main being Sokar until "The Devil You Know" and then Apophis, after he regained power during that episode.
All episodes — Season 3
S3 E1Into the Fire (2)
Jun 25, 19997.944 min
O'Neill, Carter and Jackson must escape Hathor's clutches, while Teal'c tries to raise a Jaffa army on Chulak. General Hammond must take desperate measures to rescue the team.
S3 E2Seth
Jul 2, 19997.144 min
SG-1 must find a renegade Goa'uld who has been hiding on Earth for thousands of years.
S3 E3Fair Game
Jul 9, 19998.144 min
The Asgard aid Earth in negotiating a nonagression treaty with the Goa'uld System Lords.
S3 E4Legacy
Jul 16, 19997.444 min
When Daniel goes insane, SG-1 must deal with the legacy of Machello's anti-Goa'uld technology.
S3 E5Learning Curve
Jul 23, 19997.744 min
SG-1 discovers a planet where children are used to acquire knowledge for the entire population, then discarded.
S3 E6Point of View
Jul 30, 19998.244 min
SG-1 must free an alternate reality Earth from a Goa'uld invasion after duplicates of Samantha Carter and Charles Kawalsky come through the quantum mirror.
S3 E7Deadman Switch
Aug 6, 19997.444 min
SG-1 is taken captive by an alien bounty hunter with uncertain loyalties.
S3 E8Demons
Aug 13, 19996.944 min
SG-1 finds a medieval Christian society terrorized by Sokar and the Unas, and is accused of being possessed by demons.
S3 E9Rules of Engagement
Aug 20, 1999744 min
SG-1 discovers a military camp where young men are trained to impersonate SGC personnel to infiltrate Earth.
S3 E10Forever in a Day
Oct 8, 19997.244 min
Jackson deals with the apparent death of his wife, Sha're, at the hands of Teal'c.
S3 E11Past and Present
Oct 15, 19997.544 min
SG-1 encounters an entire planet suffering from amnesia. The planet's leader returns to Earth with SG-1 to find a cure, but SG-1 suspects she may not be who she appears to be.
S3 E12Jolinar's Memories (1)
Oct 22, 19997.844 min
When Major Carter's father Jacob is kidnapped by Sokar, the SG-1 team must infiltrate a prison moon designed to look like hell to rescue him.
S3 E13The Devil You Know (2)
Oct 29, 19997.944 min
SG-1 must escape a hellish prison moon, and one of their worst enemies.
S3 E14Foothold
Nov 5, 19998.344 min
SG-1 returns from a mission and discovers that metamorphic aliens have taken over the complex.
S3 E15Pretense
Jan 21, 20007.744 min
The Tollan put Skaara and Klorel on trial to determine who will control the host body.
S3 E16Urgo
Jan 28, 20007.744 min
SG-1 receives alien brain implants that manifest themselves as a bizarre man, who tells them that they would not survive the procedure to remove him.
S3 E17A Hundred Days
Feb 4, 20007.944 min
After a meteor strike buries the Stargate, O'Neill finds himself stranded on a planet with no hope of rescue.
S3 E18Shades of Grey
Feb 11, 20008.444 min
O'Neill steals technology from the Tollan, and is forced to leave the Stargate program. Maybourne offers an intriguing proposal.
S3 E19New Ground
Feb 18, 20007.644 min
The members of SG-1 are imprisoned on a planet and become pawns in a war of ideology.
S3 E20Maternal Instinct
Feb 25, 20007.844 min
SG-1 discovers the mystical planet Kheb, and must find the Harcesis child of Apophis and Sha're before Apophis's army does.
S3 E21Crystal Skull
Mar 3, 20007.944 min
An alien artifact causes Daniel to disappear, and the team looks for help from his institutionalized grandfather.
S3 E22Nemesis (1)
Mar 10, 20008.544 min
SG-1 faces creatures of mass destruction that even the Asgard can't control, and must destroy Thor's infested vessel before the Replicator bugs reach Earth.