||SG-1 discovers Daniel Jackson alive and living on an alien world, with no memory of who he is.
||The team returns to Jonas homeworld when they learn that the Goauld are after its naquadria.
||A teenage boy shows up at the SGC claiming to be Jack O`Neill -- while the real colonel has gone missing.
||Tealc and SG-1 must risk everything to rescue his son and his mentor from a Jaffa prison.
||The team gates to a climate-controlled environment amidst a toxic wasteland, whose people are all linked to a central computer.
||When SG-1 finds a crashed alien space ship, Daniels mind is taken over by disembodied crew members.
||When Earth`s attempts to exploit a newly-discovered naquadah mine are thwarted by a tribe of indigenous Unas, SG-1 must turn to an old friend for help.
||SG-1 helps an alien spacecraft compete in a race, but soon learn that there may be more at stake than the finish line.
||An S.G.C. scientist creates a computer virus to be used to disable enemy Stargates -- but succeeds in shutting down the entire gate network.
||The team finds a fugitive colony of Jaffa women, who must prey on other Jaffa to acquire symbiotes.
||Evolution, Part I
||The team investigates a virtually unstoppable new enemy soldier engineered by Anubis. Dr. Jackson leads a team in search of an alien device in South America, but gets more than he bargained for.
||Evolution Part 2
||Daniel is taken hostage when he goes to South America in search of an alien device reputed to belong to the System Lord Telchak, and tied to his grandfather. Jack is sent to rescue him, while Carter and Teal`c investigate the powerful appearance of a new enemy intent on wiping out the System Lords one by one.
||Carter goes on a mission to retrieve the Prometheus, she awakens to find herself alone on the ship and starts experiencing strange things.
||Samantha Carter begins a relationship with a detective, from whom she must hide her life at Stargate Command. Daniel comes face to face with the Goa`uld who has taken his former girlfriend as a host.
||Anubis`s Super warriors attack the Alpha site and so the self destruct is initiated but not everyone was evacuated. Teal`c and Jack scour for Major Carter, meanwhile unrest is amongst the allies as the possibility of a mole emerges.
||Heroes Part 1
||A film crew arrives to document the work of the S.G.C., but may capture more than they planned for when SG-1 is called into action.
||Heroes Part 2
||SG-1 investigates when the NID becomes involved in genetic research.
||SG-1 is confronted by an old enemy.
||The Lost City Part 1
||Bra`tac reveals to the Tau`ri that Anubis will attack Earth in 3 days. Jack gains access to the Ancients` knowledge and in about a week without the Asgard`s help he will die. But in this action they are hoping to find the lost city and defend Earth with the knowledge from the Ancients. General Hammond is relieved from his duties at the SGC.
||The Lost City Part 2
||General Hammond is relieved from his duties at the SGC. But instead he finds out that he is going to become the commander of the Prometheus. Teal`c goes back to Chulak with Bra`tac to recruit rebel warriors and hopefully get some ships to defend Earth from Anubis in the case that Jack dies and they don`t find any weapons in the lost city.