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Stargate SG-1Season 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)

    7.8

    Jun 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

    7.7

    Jul 7, 2000 · 44m

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

  • E03 Upgrades

    8.5

    Jul 14, 2000 · 44m

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

  • E04 Crossroads

    7.2

    Jul 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

    8.2

    Jul 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

    9.3

    Aug 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

    7.4

    Aug 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

    7.5

    Aug 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

    7.3

    Aug 25, 2000 · 44m

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

  • E10 Beneath the Surface

    7.3

    Sep 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

    6.9

    Sep 8, 2000 · 44m

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

  • E12 Tangent

    7.6

    Sep 15, 2000 · 44m

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

  • E13 The Curse

    7.3

    Sep 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

    7.5

    Sep 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

    7.9

    Jan 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

    8.2

    Jan 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

    7.5

    Jan 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

    6.9

    Jan 26, 2001 · 44m

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

  • E19 Prodigy

    7.1

    Feb 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

    6.9

    Feb 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

    7.6

    Feb 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)

    8.1

    Feb 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.

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