SEASON FOUR
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O'Neill and Teal'c risk their lives to keep the Replicator bugs from gaining a foothold on Earth, while Carter helps the Asgard fend off a Replicator invasion.
This episode is part two of two, following "Nemesis"
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A warring alien race offers to exchange their advanced technology for Earth's help in defeating their enemy.
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A Tok'ra archaeologist arrives at the S.G.C. with newly discovered technology, giving the SG-1 team superhuman powers.
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Teal'c is reunited with his lost love -- a woman who claims to have found a way to communicate with her symbiote and defeat the Goa'uld.
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When a member of the S.G.C. tries to kill a Tok'ra, it is revealed that O'Neill and Carter may be victims of an untraceable form of Goa'uld mind control.
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O'Neill and Teal'c are caught in a time loop in the S.G.C., and must relive the same 10 hours over and over again.
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The Russians recover a Stargate from the bottom of the ocean, and turn to the S.G.C. for help when their experiments go awry.
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After Dr. Jackson is taken captive by an Unas while on an archaeological dig, the S.G.C. mounts a rescue operation -- but discovers a danger of their own.
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SG-1 is caught in a conflict between two civilizations trying to colonize the same planet.
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The members of SG-1 are used as forced labor in an underground alien facility after their memories are erased by the ruling elite.
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SG-1 investigates a conspiracy theorist who has detailed knowledge of the Stargate program.
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A test gone wrong leaves Jack and Teal'c marooned in space aboard a damaged prototype attack ship.
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When his former mentor dies, Dr. Jackson returns to his roots -- and discovers an ancient Egyptian artifact containing a Goa'uld parasite.
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SG-1 must stop Apophis and Heru-ur from forming an alliance of their powerful forces, while Teal'c is captured and tortured by the Goa'uld.
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SG-1 must adjust to a new commanding officer when General Hammond steps down -- but O'Neill discovers foul play behind the general's resignation.
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Ten years into the future, the former members of SG-1 must send a message into the past to prevent the extinction of the human race.
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Jackson's teammates notice a disturbing change in him when he is reunited with the Harcesis child and given the Goa'uld genetic memory.
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SG-1 finds a deserted Goa'uld palace, where a beautiful device causes suicidal tendencies.
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Carter must help keep a promising young cadet from throwing away a future at the S.G.C. O'Neill and Teal'c encounter a dangerous life form at an offworld research base.
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The S.G.C. is invaded by an alien life force that takes up residence in the base computer system -- and in Major Carter.
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SG-1 must rescue an alien world from the Goa'uld -- with help from an unexpected source. Teal'c seeks revenge on the System Lord Cronus for the murder of his father.
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SG-1 helps to evacuate the Tok'ra to a new base -- but matters are complicated when a spy reveals their location to Apophis. The team attempts a daring plan to take out the Goa'uld's powerful fleet.
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GateWorld’s Guide to Primeval: New World





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