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The Best Episodes of Stargate SG-1

Every episode of Stargate SG-1 ranked from best to worst. Let's dive into the Best Episodes of Stargate SG-1!

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.

Genres:Sci-Fi & FantasyAction & AdventureMystery

Top Episode Highlight

The best episode of "Stargate SG-1" is "Window of Opportunity", rated 9.4/10 from 2840 user votes. It was directed by Peter DeLuise and written by Paul Mullie, Joseph Mallozzi. "Window of Opportunity" aired on 8/4/2000 and is rated 0.0 point(s) higher than the second highest rated, "Lost City (2)".

  • Window of Opportunity
    9.4/10 2,840 votes

    #1 - Window of Opportunity

    Season 4 Episode 6 - Aired 2000-08-04

    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.

    Director: Peter DeLuise

    Writer: Paul Mullie, Joseph Mallozzi

  • Lost City (2)
    9.4/10 1,662 votes

    #2 - Lost City (2)

    Season 7 Episode 22 - Aired 2004-03-19

    Anubis begins a systematic assault on Earth, and the planet's only hope of salvation depends on whether SG-1 can find the Ancients' mythical Lost City.

    Director: Martin Wood

    Writer: Robert C. Cooper, Brad Wright

  • The Fifth Race
    9.1/10 1,864 votes

    #3 - The Fifth Race

    Season 2 Episode 15 - Aired 1999-01-22

    O'Neill becomes the unwilling receptacle for a library of alien knowledge.

    Director: David Warry-Smith

    Writer: Robert C. Cooper

  • Lost City (1)
    8.9/10 1,381 votes

    #4 - Lost City (1)

    Season 7 Episode 21 - Aired 2004-03-12

    O'Neill goes to great lengths to keep the Ancients' knowledge from falling into Goa'uld hands when the team discovers a second repository. The President replaces General Hammond with a civilian diplomat.

    Director: Martin Wood

    Writer: Robert C. Cooper, Brad Wright

  • Reckoning (2)
    8.9/10 1,147 votes

    #5 - Reckoning (2)

    Season 8 Episode 17 - Aired 2005-03-04

    The fate of the galaxy hangs in the balance as Sam and Jacob search for the only weapon capable of stopping the Replicator onslaught. O'Neill leads a defense of the S.G.C., while Daniel squares off against Replicator Carter.

    Director: Peter DeLuise

    Writer: Damian Kindler

  • The Pegasus Project
    8.9/10 1,281 votes

    #6 - The Pegasus Project

    Season 10 Episode 3 - Aired 2006-07-28

    Daniel and Vala travel to Atlantis in search of Merlin's anti-Ori weapon, while Sam, and Mitchell join forces with Dr. McKay to lock out the Ori supergate.

    Director: William Waring

    Writer: Brad Wright

  • Unending
    8.9/10 1,817 votes

    #7 - Unending

    Season 10 Episode 20 - Aired 2007-06-22

    Trapped on board the Odyssey, the members of SG-1 must live out the rest of their lives together when Carter activates a time dilation field to save the ship from destruction.

    Director: Robert C. Cooper

    Writer: Robert C. Cooper

  • Heroes (2)
    8.8/10 1,556 votes

    #8 - Heroes (2)

    Season 7 Episode 18 - Aired 2004-02-20

    SG-1 is called into action while a film crew is documenting the Stargate program, but the S.G.C. comes under investigation after the mission goes terribly wrong.

    Director: Andy Mikita

    Writer: Robert C. Cooper

  • 1969
    8.7/10 1,705 votes

    #9 - 1969

    Season 2 Episode 21 - Aired 1999-03-05

    A cosmic accident causes SG-1 to be sent back 30 years into Earth's past, where they must locate the Stargate and find a way home.

    Director: Charles Correll

    Writer: Brad Wright

  • Nemesis (1)
    8.7/10 1,313 votes

    #10 - Nemesis (1)

    Season 3 Episode 22 - Aired 2000-03-10

    SG-1 faces creatures of mass destruction that even the Asgard can't control, and must destroy Thor's infested vessel before the Replicator bugs reach Earth.

    Director: Martin Wood

    Writer: Robert C. Cooper

  • Full Circle
    8.7/10 1,181 votes

    #11 - Full Circle

    Season 6 Episode 22 - Aired 2003-03-21

    SG-1 is called to defend the people of Abydos from the Goa'uld once again when they learn that Anubis, in search of a powerful device, is about to attack.

    Director: Martin Wood

    Writer: Robert C. Cooper

  • New Order (2)
    8.7/10 1,129 votes

    #12 - New Order (2)

    Season 8 Episode 2 - Aired 2004-07-09

    While the Goa'uld threaten to attack Earth, SG-1 and the Asgard make a last, desperate stand against the Replicators, which have captured Major Carter and invaded the last outpost of the Asgard civilization.

    Director: Andy Mikita

    Writer: Robert C. Cooper

  • Threads
    8.7/10 1,245 votes

    #13 - Threads

    Season 8 Episode 18 - Aired 2005-03-11

    While Daniel finds himself in a mysterious diner suspended between death and ascension, Jacob's fate takes an unexpected turn, Jack and Sam consider their romantic lives, and Anubis unleashes his plan for galactic destruction.

    Director: Andy Mikita

    Writer: Robert C. Cooper

  • Tin Man
    8.6/10 1,649 votes

    #14 - Tin Man

    Season 1 Episode 19 - Aired 1998-02-13

    The members of SG-1 arrive on P3X-989 and are knocked unconscious. They wake up and return to Earth only to find that they are not quite themselves.

    Director: Jim Kaufman

    Writer: Jeff King

  • The Serpent's Lair (3)
    8.6/10 1,531 votes

    #15 - The Serpent's Lair (3)

    Season 2 Episode 1 - Aired 1998-06-26

    With SG-1 trapped on Klorel's ship, it seems that Earth is doomed as the Pyramid Ships prepare to destroy Earth.

    Director: Jonathan Glassner

    Writer: Brad Wright

  • 2010
    8.6/10 1,450 votes

    #16 - 2010

    Season 4 Episode 16 - Aired 2001-01-12

    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.

    Director: Andy Mikita

    Writer: Brad Wright

  • Unnatural Selection (2)
    8.6/10 1,223 votes

    #17 - Unnatural Selection (2)

    Season 6 Episode 12 - Aired 2003-01-10

    The team is called into battle unexpectedly when the Asgard homeworld is overrun by Replicators -- which have evolved into a startling new form.

    Director: Andy Mikita

    Writer: Robert C. Cooper, Brad Wright

  • The Quest (2)
    8.6/10 1,060 votes

    #18 - The Quest (2)

    Season 10 Episode 11 - Aired 2007-04-13

    When the team finds Merlin himself, they must help him complete the Sangraal weapon before Adria and her Ori forces can track them down.

    Director: Andy Mikita

    Writer: Paul Mullie, Joseph Mallozzi

  • The Shroud
    8.6/10 1,112 votes

    #19 - The Shroud

    Season 10 Episode 14 - Aired 2007-05-04

    When SG-1 discovers that Daniel Jackson has been turned into a Prior of the Ori, they must determine whether or not his plan to destroy the Ori is genuine.

    Director: Andy Mikita

    Writer: Robert C. Cooper

  • A Matter of Time
    8.5/10 1,482 votes

    #20 - A Matter of Time

    Season 2 Episode 16 - Aired 1999-01-29

    After gating to a world on the edge of a black hole, the S.G.C. cannot disengage the Stargate. All of Earth becomes endangered by the time-distorting gravity field.

    Director: Jim Kaufman, Martin Wood

    Writer: Misha Rashovich, Brad Wright

  • Small Victories (2)
    8.5/10 1,320 votes

    #21 - Small Victories (2)

    Season 4 Episode 1 - Aired 2000-06-30

    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.

    Director: Martin Wood

    Writer: Robert C. Cooper

  • Revelations
    8.5/10 1,163 votes

    #22 - Revelations

    Season 5 Episode 22 - Aired 2002-05-17

    SG-1 must come to the rescue of their once-powerful allies when the Goa'uld attack a secret Asgard laboratory.

    Director: Martin Wood

    Writer: Joseph Mallozzi, Paul Mullie

  • New Order (1)
    8.5/10 1,155 votes

    #23 - New Order (1)

    Season 8 Episode 1 - Aired 2004-07-09

    Carter and Teal'c go in search of the Asgard to try and save Colonel O'Neill, but discover that the Asgard's enemy has returned with a vengeance. The System Lords seek an alliance with Earth against a common enemy.

    Director: Andy Mikita

    Writer: Paul Mullie, Robert C. Cooper, Joseph Mallozzi

  • Reckoning (1)
    8.5/10 1,064 votes

    #24 - Reckoning (1)

    Season 8 Episode 16 - Aired 2005-02-25

    The Replicators begin a systematic attack of the Goa'uld, forcing Baal to come to Earth for help. The Jaffa Resistance risk their entire movement in an attempt to retake a holy city in Baal's domain.

    Director: Peter DeLuise

    Writer: Damian Kindler

  • Camelot
    8.5/10 1,073 votes

    #25 - Camelot

    Season 9 Episode 20 - Aired 2006-03-10

    SG-1 discovers the village of Camelot on an alien world, and must face Merlin's security system when they go in search of an Ancient weapon. Elsewhere, Earth and its allies assemble a fleet when a working Ori Supergate is discovered.

    Director: Martin Wood

    Writer: Joseph Mallozzi, Paul Mullie