The story of Stargate SG-1 begins about a year after the events of the feature film, when the United States government learns that an ancient alien device called the Stargate can access a network of such devices on a multitude of planets. SG-1 is an elite Air Force special operations team, one of more than two dozen teams from Earth who explore the galaxy and defend against alien threats such as the Goa'uld, Replicators, and the Ori.
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see all options Availability data: JustWatch
- Seasons
- 10
- Episodes aired
- 214
- Latest aired
- S10E20
- Total runtime
- 6d 13h
Timeline when each season aired
- Season 1 July 1997 – March 1998 22 episodes
- Season 2 June 1998 – March 1999 22 episodes
- Season 3 June 1999 – March 2000 22 episodes
- Season 4 June 2000 – February 2001 22 episodes
- Season 5 June 2001 – May 2002 22 episodes
- Season 6 June 2002 – March 2003 22 episodes
- Season 7 June 2003 – March 2004 22 episodes
- Season 8 July 2004 – March 2005 20 episodes
- Season 9 July 2005 – March 2006 20 episodes
- Season 10 July 2006 – June 2007 20 episodes
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S04E01 Small Victories (2)
June 30 · 44min find the promo
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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.
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S04E02 The Other Side
July 7 · 44min find the promo
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A warring alien race offers to exchange their advanced technology for Earth's help in defeating their enemy.
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S04E03 Upgrades
July 14 · 44min find the promo
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A Tok'ra archaeologist arrives at the SGC with newly discovered technology, giving the SG-1 team superhuman powers.
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S04E04 Crossroads
July 21 · 44min find the promo
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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.
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S04E05 Divide and Conquer
July 28 · 44min find the promo
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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.
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S04E06 Window of Opportunity
August 4 · 44min find the promo
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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.
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S04E07 Watergate
August 11 · 44min find the promo
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The Russians recover a Stargate from the bottom of the ocean, and turn to the SGC for help when their experiments go awry.
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S04E08 The First Ones
August 18 · 44min find the promo
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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.
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S04E09 Scorched Earth
August 25 · 44min find the promo
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SG-1 is caught in a conflict between two civilizations trying to colonize the same planet.
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S04E10 Beneath the Surface
September 1 · 44min find the promo
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The members of SG-1 are used as forced labor in an underground alien facility after their memories are erased by the ruling elite.
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S04E11 Point of No Return
September 8 · 44min find the promo
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SG-1 investigates a conspiracy theorist who has detailed knowledge of the Stargate program.
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S04E12 Tangent
September 15 · 44min find the promo
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A test gone wrong leaves Jack and Teal'c marooned in space aboard a damaged prototype attack ship
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S04E13 The Curse
September 22 · 44min find the promo
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When his former mentor dies, Dr. Jackson returns to his roots -- and discovers an ancient Egyptian artifact containing a Goa'uld parasite.
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S04E14 The Serpent's Venom
September 29 · 44min find the promo
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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.
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S04E15 Chain Reaction
January 5 · 44min find the promo
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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.
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S04E16 2010
January 12 · 44min find the promo
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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.
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S04E17 Absolute Power
January 19 · 44min find the promo
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Jackson's teammates notice a disturbing change in him when he is reunited with the Harcesis child and given the Goa'uld genetic memory.
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S04E18 The Light
January 26 · 44min find the promo
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SG-1 finds a deserted Goa'uld palace, where a beautiful device causes suicidal tendencies.
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S04E19 Prodigy
February 2 · 44min find the promo
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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.
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S04E20 Entity
February 9 · 44min find the promo
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The SGC is invaded by an alien life force that takes up residence in the base computer system -- and in Major Carter.
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S04E21 Double Jeopardy
February 16 · 44min find the promo
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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.
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S04E22 Exodus (1)
February 23 · 44min find the promo
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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.