20 episodes · first aired 2004-07-09
| Still | # | Title | Overview | Air date | Rating |
|---|---|---|---|---|---|
 | 01 | New Order (1) 2004-07-09 | 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. | 2004-07-09 | 8.4 |
Ratings shown are community scores. Once OMDB is wired, these become per-episode IMDB values.
| 02 |
New Order (2) 2004-07-09 |
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. |
| 2004-07-09 |
| 8.4 |
 | 03 | Lockdown 2004-07-23 | 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. | 2004-07-23 | 7.8 |
 | 04 | Zero Hour 2004-07-30 | 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. | 2004-07-30 | 8.0 |
 | 05 | Icon 2004-08-06 | Daniel is stranded on another planet after the team's arrival on an alien world sparks a violent civil war. | 2004-08-06 | 6.9 |
 | 06 | Avatar 2004-08-13 | Teal'c is trapped in a virtual reality simulation, in which he must defend the base from a Goa'uld super-soldier incursion. | 2004-08-13 | 6.8 |
 | 07 | Affinity 2004-08-20 | Teal'c becomes the chief suspect in a murder investigation after he moves into an apartment off-base. Carter considers her future with Pete. | 2004-08-20 | 6.9 |
 | 08 | Covenant 2004-08-27 | A businessman threatens to expose the secrets of alien life to the world, forcing Stargate Command to bring him into the loop. | 2004-08-27 | 6.9 |
 | 09 | Sacrifices 2004-09-10 | 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. | 2004-09-10 | 6.6 |
 | 10 | Endgame 2004-09-17 | 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. | 2004-09-17 | 7.7 |
 | 11 | Gemini 2005-01-21 | 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. | 2005-01-21 | 7.1 |
 | 12 | Prometheus Unbound 2005-01-28 | 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. | 2005-01-28 | 8.3 |
 | 13 | It's Good to Be King 2005-02-04 | 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. | 2005-02-04 | 7.8 |
 | 14 | Full Alert 2005-02-11 | 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. | 2005-02-11 | 7.0 |
 | 15 | Citizen Joe 2005-02-18 | Jack is confronted in his home by an irate barber...who claims to know everything about the Stargate project and SG-1. | 2005-02-18 | 7.4 |
 | 16 | Reckoning (1) 2005-02-25 | 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. | 2005-02-25 | 8.2 |
 | 17 | Reckoning (2) 2005-03-04 | 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. | 2005-03-04 | 8.4 |
 | 18 | Threads 2005-03-11 | 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. | 2005-03-11 | 8.1 |
 | 19 | Moebius (1) 2005-03-18 | 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. | 2005-03-18 | 8.2 |
 | 20 | Moebius (2) 2005-03-25 | 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. | 2005-03-25 | 8.1 |
