
Season 3 (1999)
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.
Episodes: 22
Star Cast: Richard Dean Anderson , Amanda Tapping , Christopher Judge , Michael Shanks ,
Episodes List

Ep.1 Into the Fire (2)
Air Date: 1999-06-25
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.

Ep.2 Seth
Air Date: 1999-07-02
SG-1 must find a renegade Goa'uld who has been hiding on Earth for thousands of years.

Ep.3 Fair Game
Air Date: 1999-07-09
The Asgard aid Earth in negotiating a nonagression treaty with the Goa'uld System Lords.

Ep.4 Legacy
Air Date: 1999-07-16
When Daniel goes insane, SG-1 must deal with the legacy of Machello's anti-Goa'uld technology.

Ep.5 Learning Curve
Air Date: 1999-07-23
SG-1 discovers a planet where children are used to acquire knowledge for the entire population, then discarded.

Ep.6 Point of View
Air Date: 1999-07-30
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.

Ep.7 Deadman Switch
Air Date: 1999-08-06
SG-1 is taken captive by an alien bounty hunter with uncertain loyalties.

Ep.8 Demons
Air Date: 1999-08-13
SG-1 finds a medieval Christian society terrorized by Sokar and the Unas, and is accused of being possessed by demons.

Ep.9 Rules of Engagement
Air Date: 1999-08-20
SG-1 discovers a military camp where young men are trained to impersonate SGC personnel to infiltrate Earth.

Ep.10 Forever in a Day
Air Date: 1999-10-08
Jackson deals with the apparent death of his wife, Sha're, at the hands of Teal'c.

Ep.11 Past and Present
Air Date: 1999-10-15
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.

Ep.12 Jolinar's Memories (1)
Air Date: 1999-10-22
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.

Ep.13 The Devil You Know (2)
Air Date: 1999-10-29
SG-1 must escape a hellish prison moon, and one of their worst enemies.

Ep.14 Foothold
Air Date: 1999-11-05
SG-1 returns from a mission and discovers that metamorphic aliens have taken over the complex.

Ep.15 Pretense
Air Date: 2000-01-21
The Tollan put Skaara and Klorel on trial to determine who will control the host body.

Ep.16 Urgo
Air Date: 2000-01-28
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.

Ep.17 A Hundred Days
Air Date: 2000-02-04
After a meteor strike buries the Stargate, O'Neill finds himself stranded on a planet with no hope of rescue.

Ep.18 Shades of Grey
Air Date: 2000-02-11
O'Neill steals technology from the Tollan, and is forced to leave the Stargate program. Maybourne offers an intriguing proposal.

Ep.19 New Ground
Air Date: 2000-02-18
The members of SG-1 are imprisoned on a planet and become pawns in a war of ideology.

Ep.20 Maternal Instinct
Air Date: 2000-02-25
SG-1 discovers the mystical planet Kheb, and must find the Harcesis child of Apophis and Sha're before Apophis's army does.

Ep.21 Crystal Skull
Air Date: 2000-03-03
An alien artifact causes Daniel to disappear, and the team looks for help from his institutionalized grandfather.

Ep.22 Nemesis (1)
Air Date: 2000-03-10
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.