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Season guide

Stargate SG-1: Season 3

22 episodes Premiered Jun 25, 1999 Updated Sep 25, 2026

Stargate SG-1 Season 3 continues the overarching saga across 22 episodes. The series is a military science fiction adventure television series within Metro-Goldwyn-Mayer's Stargate franchise. The story of Stargate SG-1 begins about a year after the original film, continuing the narrative created by Jonathan Glassner and Brad Wright.

Previously on Stargate SG-1

Season 3 Lore Primer

Key plot threads, lore context, and character stakes you need to remember before diving into this season.

  • ⚡ The television series Stargate SG-1 continues the story from the original film.
  • ⚡ The series was created in 1997 by Jonathan Glassner and Brad Wright.
  • ⚡ Stargate SG-1 is a military science fiction adventure television series within Metro-Goldwyn-Mayer's Stargate franchise.
  • ⚡ The story of Stargate SG-1 begins about a year after the events that preceded it.
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Season overview

Stargate SG-1 Season 3 continues the overarching saga across 22 episodes. The series is a military science fiction adventure television series within Metro-Goldwyn-Mayer's Stargate franchise. The story of Stargate SG-1 begins about a year after the original film, continuing the narrative created by Jonathan Glassner and Brad Wright.

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Season 3 Episodes

Episode Guide

🛡️ SPOILER SHIELD

Season 3 Progress Shield

Future titles & synopses blurred. Tap "Reveal" on any card to peek.
Binge Efficiency Engine

Season 3: Filler vs. Essential Canon

Filter episodes by narrative weight. Focus on essential mytharc and skip standalone side quests.

Time Saved 0.7h Skipping 1 filler episode
14%
82%
Mytharc (3): Crucial lore & season climaxes
Core (18): Character development & subplots
Side Quest (1): Standalone / filler
S3·E1 Mytharc

Into the Fire (2)

Jun 25, 1999 · 44 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·E2 Core

Seth

Jul 2, 1999 · 44 min

SG-1 must find a renegade Goa'uld who has been hiding on Earth for thousands of years.

S3·E3 Core

Fair Game

Jul 9, 1999 · 44 min

The Asgard aid Earth in negotiating a nonagression treaty with the Goa'uld System Lords.

S3·E4 Core

Legacy

Jul 16, 1999 · 44 min

When Daniel goes insane, SG-1 must deal with the legacy of Machello's anti-Goa'uld technology.

S3·E5 Core

Learning Curve

Jul 23, 1999 · 44 min

SG-1 discovers a planet where children are used to acquire knowledge for the entire population, then discarded.

S3·E6 Core

Point of View

Jul 30, 1999 · 44 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·E7 Core

Deadman Switch

Aug 6, 1999 · 44 min

SG-1 is taken captive by an alien bounty hunter with uncertain loyalties.

S3·E8 Core

Demons

Aug 13, 1999 · 44 min

SG-1 finds a medieval Christian society terrorized by Sokar and the Unas, and is accused of being possessed by demons.

S3·E9 Core

Rules of Engagement

Aug 20, 1999 · 44 min

SG-1 discovers a military camp where young men are trained to impersonate SGC personnel to infiltrate Earth.

S3·E10 Core

Forever in a Day

Oct 8, 1999 · 44 min

Jackson deals with the apparent death of his wife, Sha're, at the hands of Teal'c.

S3·E11 Core

Past and Present

Oct 15, 1999 · 44 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·E12 Core

Jolinar's Memories (1)

Oct 22, 1999 · 44 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·E13 Core

The Devil You Know (2)

Oct 29, 1999 · 44 min

SG-1 must escape a hellish prison moon, and one of their worst enemies.

S3·E14 Core

Foothold

Nov 5, 1999 · 44 min

SG-1 returns from a mission and discovers that metamorphic aliens have taken over the complex.

S3·E15 Core

Pretense

Jan 21, 2000 · 44 min

The Tollan put Skaara and Klorel on trial to determine who will control the host body.

S3·E16 Core

Urgo

Jan 28, 2000 · 44 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·E17 Filler

A Hundred Days

Feb 4, 2000 · 44 min

After a meteor strike buries the Stargate, O'Neill finds himself stranded on a planet with no hope of rescue.

S3·E18 Core

Shades of Grey

Feb 11, 2000 · 44 min

O'Neill steals technology from the Tollan, and is forced to leave the Stargate program. Maybourne offers an intriguing proposal.

S3·E19 Core

New Ground

Feb 18, 2000 · 44 min

The members of SG-1 are imprisoned on a planet and become pawns in a war of ideology.

S3·E20 Core

Maternal Instinct

Feb 25, 2000 · 44 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·E21 Mytharc

Crystal Skull

Mar 3, 2000 · 44 min

An alien artifact causes Daniel to disappear, and the team looks for help from his institutionalized grandfather.

S3·E22 Mytharc

Nemesis (1)

Mar 10, 2000 · 44 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.

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