E1 - New Order (1)

Aired: July 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.

E2 - New Order (2)

Aired: July 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.

E3 - Lockdown

Aired: July 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.

E4 - Zero Hour

Aired: July 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.

E5 - Icon

Aired: August 06, 2004

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

E6 - Avatar

Aired: August 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.

E7 - Affinity

Aired: August 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.

E8 - Covenant

Aired: August 27, 2004

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

E9 - Sacrifices

Aired: September 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.

E10 - Endgame

Aired: September 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.

E11 - Gemini

Aired: January 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.

E12 - Prometheus Unbound

Aired: January 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.

E13 - It's Good to Be King

Aired: February 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.

E14 - Full Alert

Aired: February 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.

E15 - Citizen Joe

Aired: February 18, 2005

Jack is confronted in his home by an irate barber...who claims to know everything about the Stargate project and SG-1.

E16 - Reckoning (1)

Aired: February 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.

E17 - Reckoning (2)

Aired: March 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.

E18 - Threads

Aired: March 11, 2005

While Daniel finds himself in a mysterious diner suspended between death and ascension, Jacob's fate takes an unexpected turn, Jack and Sam consider their romantic lives, and Anubis unleashes his plan for galactic destruction.

E19 - Moebius (1)

Aired: March 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.

E20 - Moebius (2)

Aired: March 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.