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Stargate SG-1
Season 4

Stargate SG-1

22 episodes

Small Victories (2)
E01
Episode 12000-06-3044m

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.

The Other Side
E02
Episode 22000-07-0744m

The Other Side

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

Upgrades
E03
Episode 32000-07-1444m

Upgrades

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

Crossroads
E04
Episode 42000-07-2144m

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.

Divide and Conquer
E05
Episode 52000-07-2844m

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.

Window of Opportunity
E06
Episode 62000-08-0444m

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.

Watergate
E07
Episode 72000-08-1144m

Watergate

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

The First Ones
E08
Episode 82000-08-1844m

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.

Scorched Earth
E09
Episode 92000-08-2544m

Scorched Earth

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

Beneath the Surface
E10
Episode 102000-09-0144m

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.

Point of No Return
E11
Episode 112000-09-0844m

Point of No Return

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

Tangent
E12
Episode 122000-09-1544m

Tangent

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

The Curse
E13
Episode 132000-09-2244m

The Curse

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

The Serpent's Venom
E14
Episode 142000-09-2944m

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.

Chain Reaction
E15
Episode 152001-01-0544m

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.

2010
E16
Episode 162001-01-1244m

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.

Absolute Power
E17
Episode 172001-01-1944m

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.

The Light
E18
Episode 182001-01-2644m

The Light

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

Prodigy
E19
Episode 192001-02-0244m

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.

Entity
E20
Episode 202001-02-0944m

Entity

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

Double Jeopardy
E21
Episode 212001-02-1644m

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.

Exodus (1)
E22
Episode 222001-02-2344m

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.