SG-1 Season Eight Episode Guide

New Order, Part 1
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.
New Order, Part 2
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.
Zero Hour
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.
Prometheus Unbound
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.
It's Good To Be King
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.
Full Alert
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.
Citizen Joe
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.
Reckoning, Part 1
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.
Reckoning, Part 2
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.
Moebius, Part 1
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.
Moebius, Part 2
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.