4x01 Small Victories (2)
June 30, 2000 8:00 pm
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.
4x02 The Other Side
July 7, 2000 8:00 pm
A warring alien race offers to exchange their advanced technology for Earth's help in defeating their enemy.
4x03 Upgrades
July 14, 2000 8:00 pm
A Tok'ra archaeologist arrives at the SGC with newly discovered technology, giving the SG-1 team superhuman powers.
4x04 Crossroads
July 21, 2000 8:00 pm
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.
4x05 Divide and Conquer
July 28, 2000 8:00 pm
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.
4x06 Window of Opportunity
August 4, 2000 8:00 pm
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.
4x07 Watergate
August 11, 2000 8:00 pm
The Russians recover a Stargate from the bottom of the ocean, and turn to the SGC for help when their experiments go awry.
4x08 The First Ones
August 18, 2000 8:00 pm
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.
4x09 Scorched Earth
August 25, 2000 8:00 pm
SG-1 is caught in a conflict between two civilizations trying to colonize the same planet.
4x10 Beneath the Surface
September 1, 2000 8:00 pm
The members of SG-1 are used as forced labor in an underground alien facility after their memories are erased by the ruling elite.
4x11 Point of No Return
September 8, 2000 8:00 pm
SG-1 investigates a conspiracy theorist who has detailed knowledge of the Stargate program.
4x12 Tangent
September 15, 2000 8:00 pm
A test gone wrong leaves Jack and Teal'c marooned in space aboard a damaged prototype attack ship
4x13 The Curse
September 22, 2000 8:00 pm
When his former mentor dies, Dr. Jackson returns to his roots -- and discovers an ancient Egyptian artifact containing a Goa'uld parasite.
4x14 The Serpent's Venom
September 29, 2000 8:00 pm
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.
4x15 Chain Reaction
January 5, 2001 8:00 pm
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.
4x16 2010
January 12, 2001 8:00 pm
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.
4x17 Absolute Power
January 19, 2001 8:00 pm
Jackson's teammates notice a disturbing change in him when he is reunited with the Harcesis child and given the Goa'uld genetic memory.
4x18 The Light
January 26, 2001 8:00 pm
SG-1 finds a deserted Goa'uld palace, where a beautiful device causes suicidal tendencies.
4x19 Prodigy
February 2, 2001 8:00 pm
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.
4x20 Entity
February 9, 2001 8:00 pm
The SGC is invaded by an alien life force that takes up residence in the base computer system -- and in Major Carter.
4x21 Double Jeopardy
February 16, 2001 8:00 pm
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.
4x22 Exodus (1)
February 23, 2001 8:00 pm
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.
