SG-1 Season Eight Episode Guide

EPISODE #: 801 AIR DATE: 07.09.2004




Carter and Teal'c go in search of the Asgard to try and save Colonel O'Neill, but discover that the Asgard's enemy has returned with a vengeance. The System Lords seek an alliance with Earth against a common enemy.

EPISODE #: 802 AIR DATE: 07.09.2004




While the Goa'uld threaten to attack Earth, SG-1 and the Asgard make a last, desperate stand against the Replicators, which have captured Major Carter and invaded the last outpost of the Asgard civilization.

EPISODE #: 803 AIR DATE: 07.23.2004



The S.G.C. is put under quarantine after a mysterious infection leaves a Russian officer in the infirmary – but the disease may not be a disease at all.

EPISODE #: 804 AIR DATE: 07.30.2004



General O'Neill tries to settle into his new job, but faces never-ending crises – including the capture of SG-1 by the Goa'uld.

EPISODE #: 805 AIR DATE: 08.06.2004


Daniel is stranded on another planet after the team's arrival on an alien world sparks a violent civil war.

EPISODE #: 806 AIR DATE: 08.13.2004




Teal'c is trapped in a virtual reality simulation, in which he must defend the base from a Goa'uld super-soldier incursion.

EPISODE #: 807 AIR DATE: 08.20.2004


Teal'c becomes the chief suspect in a murder investigation after he moves into an apartment off-base. Carter considers her future with Pete.

EPISODE #: 808 AIR DATE: 08.27.2004



A businessman threatens to expose the secrets of alien life to the world, forcing Stargate Command to bring him into the loop.

EPISODE #: 809 AIR DATE: 09.10.2004



The impending wedding of his son is the least of Teal'c's worries when the Hak'tyl plan an uprising against the Goa'uld Moloc, driving a wedge between Teal'c and Ishta.

EPISODE #: 810 AIR DATE: 09.17.2004



The Stargate is stolen, leading SG-1 to discover that the Trust has taken control of an advanced ship in orbit. Teal'c investigates a series of wide-spread Jaffa deaths.

EPISODE #: 811 AIR DATE: 01.21.2005



A duplicate of Colonel Carter seeks help from Stargate Command in defeating the Replicator Fifth, who she claims has found a way to counter the Asgard's new weapon.

EPISODE #: 812 AIR DATE: 01.28.2005



After the Prometheus responds to a distress call from a Goa'uld ship, Daniel Jackson finds himself a captive when Earth's ship is stolen.

EPISODE #: 813 AIR DATE: 02.04.2005



SG-1 comes to the aid of a world about to be invaded by the Goa'uld, only to discover that the local king is Earth's Harry Maybourne.

EPISODE #: 814 AIR DATE: 02.11.2005


Relations between the U.S. and Russia are strained when Russian military leaders claim that the U.S. government has been compromised by the Goa'uld.

EPISODE #: 815 AIR DATE: 02.18.2005


A barber from Indiana confronts Jack O'Neill, claiming that he has been seeing visions of SG-1's missions over the last seven years.

EPISODE #: 816 AIR DATE: 02.25.2005




The Replicators begin a systematic attack of the Goa'uld, forcing Baal to come to Earth for help. The Jaffa resistance risk their entire movement in an attempt to retake a holy city in Baal's domain.

EPISODE #: 817 AIR DATE: 03.04.2005




The fate of the galaxy hangs in the balance as Sam and Jacob search for the only weapon capable of stopping the Replicator onslaught. O'Neill leads a defense of the S.G.C., while Daniel squares off against Replicator Carter.

EPISODE #: 818 AIR DATE: 03.11.2005




Daniel must once again decide whether to risk death or ascend when Oma Desala gives him a second chance. O'Neill and Carter struggle with their respective personal relationships.

EPISODE #: 819 AIR DATE: 03.18.2005



SG-1 travels back in time in a daring plan to steal a piece of Ancient technology from Ra, the powerful Goa'uld who ruled in ancient Egypt.

EPISODE #: 820 AIR DATE: 03.25.2005



With the timeline changed by SG-1's actions in the distant past, an alternate version of SG-1 must use the newly-discovered time ship to set things right.