- 1 Fallen (1)
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While searching for the Lost City of the Ancients on a distant planet, SG-1 is stunned to find Daniel Jackson alive and in human form but stripped of his memory. O'Neill convinces Daniel to return with them to the SGC, where he is reinstated for a daring mission to destroy Anubis' powerful new super-weapon!
Air Date: 2003-06-13
- 2 Homecoming (2)
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The team returns to Jonas' homeworld when they learn that the Goa'uld are after its naquadria. When Jonas is captured by Anubis, Daniel is his only hope.
Air Date: 2003-06-13
- 3 Fragile Balance
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A teenage boy shows up at the S.G.C. claiming to be Jack O'Neill, sending the team on a mission to uncover his true identity.
Air Date: 2003-06-20
- 4 Orpheus
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After an injury, Teal'c must put aside his self-doubt when SG-1 launches a mission to rescue his son and his mentor from a Jaffa death camp.
Air Date: 2003-06-27
- 5 Revisions
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The team gates to a climate-controlled environment amidst a toxic wasteland, whose people are all linked to a central computer.
Air Date: 2003-07-11
- 6 Lifeboat
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When SG-1 finds a crashed alien space ship, Daniel's mind is taken over by its disembodied passengers.
Air Date: 2003-07-18
- 7 Enemy Mine
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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.
Air Date: 2003-07-25
- 8 Space Race
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Major Carter joins an alien pilot for a space race, where the winner is awarded a lucrative contract with the planet's most powerful corporation. But the rest of the team discovers that there is more at stake than the finish line.
Air Date: 2003-08-01
- 9 Avenger 2.0
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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.
Air Date: 2003-08-08
- 10 Birthright
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The team finds a fugitive colony of Jaffa women, who must prey on other Jaffa to acquire symbiotes.
Air Date: 2003-08-15
- 11 Evolution (1)
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The team investigates an unstoppable new enemy soldier engineered by Anubis. Dr. Jackson leads a team in search of an alien device in Central America, but gets more than he bargained for.
Air Date: 2003-08-22
- 12 Evolution (2)
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O'Neill seeks help from a former comrade to rescue Daniel and Dr. Lee, who have been kidnapped in Central America. Carter, Teal'c and Jacob infiltrate Anubis' super-soldier facility.
Air Date: 2004-01-09
- 13 Grace
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Carter is injured when the Prometheus is attacked by an unknown ship, and awakens to find herself stranded alone in deep space.
Air Date: 2004-01-16
- 14 Fallout
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When the Kelownans discover that a massive underground vein of naquadah is being converted into naquadria, Jonas Quinn seeks help from Earth in avoiding the total destruction of his planet.
Air Date: 2004-01-23
- 15 Chimera
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Daniel is plagued by dreams of his former girlfriend, who has been taken as a Goa'uld host. Samantha Carter begins a romantic relationship with a detective, from whom she must hide her life at Stargate Command.
Air Date: 2004-01-30
- 16 Death Knell
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Earth's secret offworld base is attacked by Anubis' forces, and Major Carter finds herself being hunted by the enemy. General Hammond and Jacob Carter make an unnerving discovery about the Earth-Tok'ra alliance.
Air Date: 2004-02-06
- 17 Heroes (1)
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A film crew arrives to document the work of the S.G.C. for eventual disclosure to the public, but finds that the base's personnel are less than eager to participate.
Air Date: 2004-02-13
- 18 Heroes (2)
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SG-1 is called into action while a film crew is documenting the Stargate program, but the S.G.C. comes under investigation after the mission goes terribly wrong.
Air Date: 2004-02-20
- 19 Resurrection
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SG-1 investigates a secret N.I.D. laboratory, where a ruthless scientist has used cloning technology to create a Goa'uld-human hybrid.
Air Date: 2004-02-27
- 20 Inauguration
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The newly-elected president is debriefed about the Stargate program, and Vice President Kinsey makes a new play for control of the program.
Air Date: 2004-03-05
- 21 Lost City (1)
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O'Neill goes to great lengths to keep the Ancients' knowledge from falling into Goa'uld hands when the team discovers a second repository. The President replaces General Hammond with a civilian diplomat.
Air Date: 2004-03-12
- 22 Lost City (2)
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Anubis begins a systematic assault on Earth, and the planet's only hope of salvation depends on whether SG-1 can find the Ancients' mythical Lost City.
Air Date: 2004-03-19