Stranded in another galaxy while fleeing their attack on Apophis' fleet proves only the beginning of SG-1's problems as multiple enemies appear.

SG-1 asks Bra'tac to help clear Teal'c's brainwashed mind. Bra'tac removes Teal'c's symbiote and Teal'c is forced to remember certain memories of his past in order to get back to the real Teal'c in the end. SG-1 is glad to have hi...

After being rendered unconscious during an expedition, Carter's subsequently-ordered furlough is interrupted by a mysterious being with a message and growing affection for her.

When SG-1 flees from an expedition with Col. O'Neill and some mysterious team member named Tyler, whom no one else knows about, stranded, the fitness of the team is questioned.

When SG-1 inadvertently dooms a planet upon arrival, the team must overcome Asgardian diplomacy and indigenous religious prejudice to put things right.

When Cassandra collapses at home, she is taken to the SGC for treatment. A retrovirus is causing her to emit an EM field and she expresses a need to return to her planet for an initiation ritual. SG-1 investigates and finds a Goa'...

When Daniel's Unas friend, Chaka, is captured by another world's slavers, SG-1 goes to that world to rescue him.

SG-1 teams up with a Russian task force to investigate the disappearance of a Russian SG team on P2X-338. They discover that the Russian SG team released a creature that killed Marduk, a Goa'uld, in his sarcophagus. SG-1 must trus...

With the death of Omoc, the subsequent sudden Tollan reconsideration of their tech embargo leads to SG-1 suspecting a government conspiracy.

SG-1 makes contact with the Aschen, unaware that their homeworld is one they were warned previously from the future to be considered off-limits.

Carter gets kidnapped and taken to an abandoned hospital where two doctors work to study the remains of Jolinar. She finds out that they have a Goa'uld, taken from the Russians, which they are planning to put inside a man named Ad...

A strange ship is headed towards Earth, and the SGC suspects that Martin Lloyd and his companions may have something to do with it. O'Neill is sent to speak to Martin and is assigned as a military consultant on Martin's new show, ...

While SG-1 is conducting training exercises for new recruits, Jack gets a call about a "foothold" situation. Wounded by compromised officers, O'Neill must lead the recruits in retaking the SGC.

When Teal'c is trapped in the Stargate buffer, the team must juggle the technical challenges along with personal, interdepartmental and diplomatic rivalries to rescue him in time.

In a Tok'ra plan to wipe out the Goa'uld, Daniel goes undercover as Yu's servant to release a poison at a meeting of the system lords. Meanwhile a Goa'uld attack on the Tok'ra base leaves the rest of SG-1 with their hands full.

As the Goa'uld summit continues, Daniel finds himself face to face with Osiris. He fools him in the same fashion as he did with Yu, but cannot bring himself to cause the death of Sarah, Osiris's host. He remains to uncover informa...

A large asteroid is discovered on a collision course with Earth.

A new leader has risen among the Free Jaffa, K'tano, former First Prime of Imhotep. SG-1, accompanied by Bra'tac, seeks an alliance between the Tau'ri and the large force he has amassed.

On an alien planet, SG-1 discovers an inactive android is the only survivor of the destruction of her civilization. They bring her back to the SGC for study and manage to reactivate her. Things take a turn for the worse when she "...

To fix a mistake caused by the fake SG team, the real SG-1 must enlist the help of two convicts. The threat of an approaching Goa'uld mothership stresses the repair of the Sentinel.

As Jackson suffers from a fatal dose of radiation, he struggles with the value of his life while his friends deal with the emotional and diplomatic repercussions.

While still dealing with the loss of Daniel Jackson the SGC is contacted by the Asgard who require assistance dealing with Anubis, who seems to have new shield technology that can repel Asgard weapons.