Season 4
Stargate SG-1
22 EPISODES • 2000
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. A warring alien race offers to exchange their advanced technology for Earth's help in defeating their enemy.

Season 3

Episodes

1: Small Victories (2)
Jun 30, 2000
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.
2: The Other Side
Jul 7, 2000
A warring alien race offers to exchange their advanced technology for Earth's help in defeating their enemy.
3: Upgrades
Jul 14, 2000
A Tok'ra archaeologist arrives at the SGC with newly discovered technology, giving the SG-1 team superhuman powers.
4: Crossroads
Jul 21, 2000
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.
5: Divide and Conquer
Jul 28, 2000
When a member of the SGC 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.
6: Window of Opportunity
Aug 4, 2000
O'Neill and Teal'c are caught in a time loop in the SGC, and must relive the same 10 hours over and over again.
7: Watergate
Aug 11, 2000
The Russians recover a Stargate from the bottom of the ocean, and turn to the SGC for help when their experiments go awry.
8: The First Ones
Aug 18, 2000
Dr. Jackson is taken captive by an Unas while on an archaeological dig. The SGC mounts a rescue operation, but discovers a danger of their own.
9: Scorched Earth
Aug 25, 2000
SG-1 is caught in a conflict between two civilizations trying to colonize the same planet.
10: Beneath the Surface
Sep 1, 2000
The members of SG-1 are used as forced labor in an underground alien facility after their memories are erased by the ruling elite.
11: Point of No Return
Sep 8, 2000
SG-1 investigates a conspiracy theorist who has detailed knowledge of the Stargate program.
12: Tangent
Sep 15, 2000
A test gone wrong leaves Jack and Teal'c marooned in space aboard a damaged prototype attack ship
13: The Curse
Sep 22, 2000
When his former mentor dies, Dr. Jackson returns to his roots -- and discovers an ancient Egyptian artifact containing a Goa'uld parasite.
14: The Serpent's Venom
Sep 29, 2000
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.
15: Chain Reaction
Jan 5, 2001
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.
16: 2010
Jan 12, 2001
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.
17: Absolute Power
Jan 19, 2001
Jackson's teammates notice a disturbing change in him when he is reunited with the Harcesis child and given the Goa'uld genetic memory.
18: The Light
Jan 26, 2001
SG-1 finds a deserted Goa'uld palace, where a beautiful device causes suicidal tendencies.
19: Prodigy
Feb 2, 2001
Carter must help keep a promising young cadet from throwing away a future at the SGC. O'Neill and Teal'c encounter a dangerous life form at an offworld research base.
20: Entity
Feb 9, 2001
The SGC is invaded by an alien life force that takes up residence in the base computer system -- and in Major Carter.
21: Double Jeopardy
Feb 16, 2001
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.
22: Exodus (1)
Feb 23, 2001
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.
Season 5
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