Seizoen 0 van Stargate SG-1 verscheen op 5 juli 2004.

Seizoen 1 van Stargate SG-1 verscheen op 27 juli 1997.

Seizoen 2 van Stargate SG-1 verscheen op 26 juni 1998.

Seizoen 3 van Stargate SG-1 verscheen op 25 juni 1999.

Seizoen 4 van Stargate SG-1 verscheen op 30 juni 2000.

Seizoen 5 van Stargate SG-1 verscheen op 29 juni 2001.

Seizoen 6 van Stargate SG-1 verscheen op 7 juni 2002.

Seizoen 7 van Stargate SG-1 verscheen op 13 juni 2003.

Seizoen 8 van Stargate SG-1 verscheen op 9 juli 2004.

Seizoen 9 van Stargate SG-1 verscheen op 15 juli 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.

Seizoen 10 van Stargate SG-1 verscheen op 14 juli 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.