Stargate SG-1 — Season 4
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.
Episodes

E01 Small Victories (2)
★ 7.8Jun 30, 2000 · 44m
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.

E02 The Other Side
★ 7.7Jul 7, 2000 · 44m
A warring alien race offers to exchange their advanced technology for Earth's help in defeating their enemy.

E03 Upgrades
★ 8.5Jul 14, 2000 · 44m
A Tok'ra archaeologist arrives at the SGC with newly discovered technology, giving the SG-1 team superhuman powers.

E04 Crossroads
★ 7.2Jul 21, 2000 · 44m
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.

E05 Divide and Conquer
★ 8.2Jul 28, 2000 · 44m
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.

E06 Window of Opportunity
★ 9.3Aug 4, 2000 · 44m
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.

E07 Watergate
★ 7.4Aug 11, 2000 · 44m
The Russians recover a Stargate from the bottom of the ocean, and turn to the SGC for help when their experiments go awry.

E08 The First Ones
★ 7.5Aug 18, 2000 · 44m
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.

E09 Scorched Earth
★ 7.3Aug 25, 2000 · 44m
SG-1 is caught in a conflict between two civilizations trying to colonize the same planet.

E10 Beneath the Surface
★ 7.3Sep 1, 2000 · 44m
The members of SG-1 are used as forced labor in an underground alien facility after their memories are erased by the ruling elite.

E11 Point of No Return
★ 6.9Sep 8, 2000 · 44m
SG-1 investigates a conspiracy theorist who has detailed knowledge of the Stargate program.

E12 Tangent
★ 7.6Sep 15, 2000 · 44m
A test gone wrong leaves Jack and Teal'c marooned in space aboard a damaged prototype attack ship

E13 The Curse
★ 7.3Sep 22, 2000 · 44m
When his former mentor dies, Dr. Jackson returns to his roots -- and discovers an ancient Egyptian artifact containing a Goa'uld parasite.

E14 The Serpent's Venom
★ 7.5Sep 29, 2000 · 44m
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.

E15 Chain Reaction
★ 7.9Jan 5, 2001 · 44m
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.

E16 2010
★ 8.2Jan 12, 2001 · 44m
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.

E17 Absolute Power
★ 7.5Jan 19, 2001 · 44m
Jackson's teammates notice a disturbing change in him when he is reunited with the Harcesis child and given the Goa'uld genetic memory.

E18 The Light
★ 6.9Jan 26, 2001 · 44m
SG-1 finds a deserted Goa'uld palace, where a beautiful device causes suicidal tendencies.

E19 Prodigy
★ 7.1Feb 2, 2001 · 44m
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.

E20 Entity
★ 6.9Feb 9, 2001 · 44m
The SGC is invaded by an alien life force that takes up residence in the base computer system -- and in Major Carter.

E21 Double Jeopardy
★ 7.6Feb 16, 2001 · 44m
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.

E22 Exodus (1)
★ 8.1Feb 23, 2001 · 44m
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.








