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Season guide

Stargate SG-1: Season 6

22 episodes Premiered Jun 7, 2002 Updated Sep 25, 2026

O'Neill and Carter launch a risky plan with untested technology when Earth comes under attack by the Goa'uld. Carter must find a way to save Earth from total destruction at the hands of the Goa'uld, who have turned the Stargate into a doomsday bomb. Rya'c joins his father on a mission to destroy the Goa'uld weapon.

Previously on Stargate SG-1

Season 6 Lore Primer

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

  • ⚡ Directly follows the overarching narrative developments of Stargate SG-1 Season 5.
  • ⚡ Faction dynamics and core character alliances shift under escalating external stakes.
  • ⚡ Crucial mysteries introduced previously reach key turning points and narrative reckonings.
  • ⚡ Sets up serialized story arcs that build directly toward the climactic season finale.

Season overview

O'Neill and Carter launch a risky plan with untested technology when Earth comes under attack by the Goa'uld. Carter must find a way to save Earth from total destruction at the hands of the Goa'uld, who have turned the Stargate into a doomsday bomb. Rya'c joins his father on a mission to destroy the Goa'uld weapon.

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Season 6 Episodes

Episode Guide

🛡️ SPOILER SHIELD

Season 6 Progress Shield

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

Season 6: Filler vs. Essential Canon

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

18%
82%
Mytharc (4): Crucial lore & season climaxes
Core (18): Character development & subplots
Side Quest (0): Standalone / filler
S6·E1 Mytharc

Redemption (1)

Jun 7, 2002 · 44 min

Tragedy reunites Teal'c with his son, who blames him for the death of his mother. O'Neill and Carter launch a risky plan with untested technology when Earth comes under attack by t

S6·E2 Core

Redemption (2)

Jun 14, 2002 · 44 min

Carter must find a way to save Earth from total destruction at the hands of the Goa'uld, who have turned the Stargate into a doomsday bomb. Rya'c joins his father on a mission to d

S6·E3 Core

Descent

Jun 21, 2002 · 44 min

SG-1 boards an abandoned Goa'uld mothership that has mysteriously arrived in Earth's orbit, and must escape the doomed vessel when it crashes into the ocean.

S6·E4 Core

Frozen

Jun 28, 2002 · 44 min

SG-1 investigates the discovery of a woman frozen in the ice in Antarctica, who may be a link to the gate builders. A mysterious disease threatens to kill everyone at the research

S6·E5 Core

Nightwalkers

Jul 12, 2002 · 44 min

Carter, Teal'c and Jonas investigate the death of a scientist with connections to the Goa'uld, and find a small town whose citizens harbor a dark secret.

S6·E6 Core

Abyss

Jul 19, 2002 · 44 min

O'Neill is captured and tortured by the Goa'uld, and must rely on an old friend to survive.

S6·E7 Core

Shadow Play

Jul 26, 2002 · 44 min

Jonas' people ask Earth for military aid in an impending war with their rival nations, but his former mentor offers another solution: a resistance movement ready for a coup.

S6·E8 Core

The Other Guys

Aug 2, 2002 · 44 min

When SG-1 is captured by the Goa'uld, a pair of scientists mount a rescue operation ... whether they're wanted or not.

S6·E9 Core

Allegiance

Aug 9, 2002 · 44 min

Tensions rise between the Tok'ra and rebel Jaffa at the S.G.C.'s offworld base when they are attacked by an invisible enemy.

S6·E10 Core

Cure

Aug 16, 2002 · 44 min

An alien world offers Earth a medicine with the power to cure any illness -- but the hidden price may be too high to pay.

S6·E11 Core

Prometheus (1)

Aug 23, 2002 · 44 min

A news reporter threatens to expose a top-secret military project, but when Carter and Jonas give her a tour of the X-303, they discover that she is a pawn in a much larger plot.

S6·E12 Core

Unnatural Selection (2)

Jan 10, 2003 · 44 min

The team is called into battle unexpectedly when the Asgard homeworld is overrun by Replicators -- which have evolved into a startling new form.

S6·E13 Core

Sight Unseen

Jan 17, 2003 · 44 min

The team returns to Earth with a piece of technology that allows them to see alien creatures everywhere, and must attempt to contain the problem when it spreads beyond the base.

S6·E14 Mytharc

Smoke & Mirrors

Jan 24, 2003 · 44 min

Colonel O'Neill is charged with the murder of Senator Kinsey, and the rest of the team must uncover a conspiracy in order to clear his name.

S6·E15 Core

Paradise Lost

Jan 31, 2003 · 44 min

Colonel O'Neill is trapped on an alien planet with Maybourne, and must fight to stay alive as his companion becomes increasingly paranoid.

S6·E16 Core

Metamorphosis

Feb 7, 2003 · 44 min

SG-1 attempts to save a planet's inhabitants from Nirrti's genetic experimentation, but find themselves to be her next victims.

S6·E17 Core

Disclosure

Feb 14, 2003 · 44 min

General Hammond and the Pentagon reveal the existence of the Stargate to other world governments, and must defend the fact that the program is operated by the United States militar

S6·E18 Core

Forsaken

Feb 21, 2003 · 44 min

When the team finds a crashed ship on another planet, their efforts to help the crew effect repairs are hindered by a group of aliens.

S6·E19 Core

The Changeling

Feb 28, 2003 · 44 min

A near-death trial causes Teal'c to imagine his life as very different from the one he knows, where he is a normal person living on Earth -- until he can no longer distinguish real

S6·E20 Core

Memento

Mar 7, 2003 · 44 min

Prometheus is forced to land on an alien world, where the local Stargate is the team's only chance of returning home -- though the local population believe the gate to be a myth.

S6·E21 Mytharc

Prophecy

Mar 14, 2003 · 44 min

The team finds an impoverished world enslaved by a Goa'uld underlord, but their plans to free it may be compromised when Jonas experiences unexplained visions of the future.

S6·E22 Mytharc

Full Circle

Mar 21, 2003 · 44 min

SG-1 is called to defend the people of Abydos from the Goa'uld once again when they learn that Anubis, in search of a powerful device, is about to attack.

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