Stargate SG-1

Aired 2002

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.

Aired 2003

SG-1 discovers Daniel Jackson alive and living on an alien world, with no memory of who he is. The team hatches a plan to lure Anubis into a trap and destroy his new super-weapon. The team returns to Jonas's homeworld when they learn that the Goa'uld are after its naquadria.

Aired 2004

With Jack still in stasis in the Ancient outpost buried in Antarctica, SG-1 tries to contact the Asgard. Meanwhile their new leader, Dr. Elizabeth Weir, tries to decide what to do about a request for peace talks from the Goa'uld System Lords.

Aired 2005

As one team member transitions into a new role, another is met with hesitation in season nine. Having learned of the Ori's plan to control the mortal plane, the team must find Merlin's secret weapon that may destroy the Ori and ensure the safety of Earth.

Aired 2006

As the team embarks upon its tenth year, Vala, a former Goa'uld host turned freedom-fighter, joins SG-1 in their battle to defend the galaxy from the holy war of the Ori. Having discovered the existence of a weapon capable of defeating the Ori, the team is now in a race against time to find it before more systems fall to the influence of the Priors and the threat of the newly arrived Origin fleet. The season is continued with direct-to-DVD film Stargate: The Ark of Truth.