Seasons & episodes
S3 · E22Nemesis (1) 2000-03-10 · 44 min
SG-1 faces creatures of mass destruction that even the Asgard can't control, and must destroy Thor's infested vessel before the Replicator bugs reach Earth.
S4 · E1Small Victories (2) 2000-06-30 · 44 min
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.
S4 · E2The Other Side 2000-07-07 · 44 min
A warring alien race offers to exchange their advanced technology for Earth's help in defeating their enemy.
S4 · E3Upgrades 2000-07-14 · 44 min
A Tok'ra archaeologist arrives at the SGC with newly discovered technology, giving the SG-1 team superhuman powers.
S4 · E4Crossroads 2000-07-21 · 44 min
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.
S4 · E5Divide and Conquer 2000-07-28 · 44 min
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.
S4 · E6Window of Opportunity 2000-08-04 · 44 min
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.
S4 · E7Watergate 2000-08-11 · 44 min
The Russians recover a Stargate from the bottom of the ocean, and turn to the SGC for help when their experiments go awry.
S4 · E8The First Ones 2000-08-18 · 44 min
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.
S4 · E9Scorched Earth 2000-08-25 · 44 min
SG-1 is caught in a conflict between two civilizations trying to colonize the same planet.
S4 · E10Beneath the Surface 2000-09-01 · 44 min
The members of SG-1 are used as forced labor in an underground alien facility after their memories are erased by the ruling elite.
S4 · E11Point of No Return 2000-09-08 · 44 min
SG-1 investigates a conspiracy theorist who has detailed knowledge of the Stargate program.
S4 · E12Tangent 2000-09-15 · 44 min
A test gone wrong leaves Jack and Teal'c marooned in space aboard a damaged prototype attack ship
S4 · E13The Curse 2000-09-22 · 44 min
When his former mentor dies, Dr. Jackson returns to his roots -- and discovers an ancient Egyptian artifact containing a Goa'uld parasite.
S4 · E14The Serpent's Venom 2000-09-29 · 44 min
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.
S4 · E15Chain Reaction 2001-01-05 · 44 min
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.
S4 · E162010 2001-01-12 · 44 min
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.
S4 · E17Absolute Power 2001-01-19 · 44 min
Jackson's teammates notice a disturbing change in him when he is reunited with the Harcesis child and given the Goa'uld genetic memory.
S4 · E18The Light 2001-01-26 · 44 min
SG-1 finds a deserted Goa'uld palace, where a beautiful device causes suicidal tendencies.
S4 · E19Prodigy 2001-02-02 · 44 min
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.
S4 · E20Entity 2001-02-09 · 44 min
The SGC is invaded by an alien life force that takes up residence in the base computer system -- and in Major Carter.
S4 · E21Double Jeopardy 2001-02-16 · 44 min
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.
S4 · E22Exodus (1) 2001-02-23 · 44 min
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.
S5 · E1Enemies (2) 2001-06-29 · 44 min
SG-1 finds themselves stranded in a crippled ship in a distant galaxy -- with Apophis threatening to destroy them. Teal'c is brainwashed and made loyal to Apophis once again.