Stargate SG-1

Season 4

22 episodes 11 seasons

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.

Release Date

Premiered

Stargate SG-1 Season 4 released on June 30, 2000.

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Episodes

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S04E01 Aired June 30, 2000

Small Victories (2)

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.

S04E02 Aired July 07, 2000

The Other Side

A warring alien race offers to exchange their advanced technology for Earth's help in defeating their enemy.

S04E03 Aired July 14, 2000

Upgrades

A Tok'ra archaeologist arrives at the SGC with newly discovered technology, giving the SG-1 team superhuman powers.

S04E04 Aired July 21, 2000

Crossroads

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.

S04E05 Aired July 28, 2000

Divide and Conquer

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.

S04E06 Aired August 04, 2000

Window of Opportunity

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.

S04E07 Aired August 11, 2000

Watergate

The Russians recover a Stargate from the bottom of the ocean, and turn to the SGC for help when their experiments go awry.

S04E08 Aired August 18, 2000

The First Ones

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.

S04E09 Aired August 25, 2000

Scorched Earth

SG-1 is caught in a conflict between two civilizations trying to colonize the same planet.

S04E10 Aired September 01, 2000

Beneath the Surface

The members of SG-1 are used as forced labor in an underground alien facility after their memories are erased by the ruling elite.

S04E11 Aired September 08, 2000

Point of No Return

SG-1 investigates a conspiracy theorist who has detailed knowledge of the Stargate program.

S04E12 Aired September 15, 2000

Tangent

A test gone wrong leaves Jack and Teal'c marooned in space aboard a damaged prototype attack ship

S04E13 Aired September 22, 2000

The Curse

When his former mentor dies, Dr. Jackson returns to his roots -- and discovers an ancient Egyptian artifact containing a Goa'uld parasite.

S04E14 Aired September 29, 2000

The Serpent's Venom

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.

S04E15 Aired January 05, 2001

Chain Reaction

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.

S04E16 Aired January 12, 2001

2010

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.

S04E17 Aired January 19, 2001

Absolute Power

Jackson's teammates notice a disturbing change in him when he is reunited with the Harcesis child and given the Goa'uld genetic memory.

S04E18 Aired January 26, 2001

The Light

SG-1 finds a deserted Goa'uld palace, where a beautiful device causes suicidal tendencies.

S04E19 Aired February 02, 2001

Prodigy

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.

S04E20 Aired February 09, 2001

Entity

The SGC is invaded by an alien life force that takes up residence in the base computer system -- and in Major Carter.

S04E21 Aired February 16, 2001

Double Jeopardy

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.

S04E22 Aired February 23, 2001

Exodus (1)

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.