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.
Where to Watch Stargate SG-1
Where to stream every episode from all 10 seasons of Stargate SG-1. Filter these episodes by what's available to watch free or on your streaming services using the tabs above.
Season 1Hulu | Rent or Buy
S01 E01Jul 27, 1997
Children of the Gods (Part 1) Jul 27, 1997 Stargate SG-I the television series, picks up where the blockbuster film left off. Colonel Jack O?Neill (RICHARD DEAN ANDERSON) and his SG-1 team; Daniel Jackson (MICHAEL SHANKS), Teal?c (CHRISTOPHER JUDGE), and Capt. Samantha Carter (AMANDA TAPPING), set out to explore the mysteries of the Stargate. Each mission through the/gate takes ... the SG-1 team to new worlds in a seemingly boundless universe.
S01 E01Jul 28, 1997
Children of the Gods (1) Jul 28, 1997 When powerful aliens come through Earth's Stargate, Colonel Jack O'Neill returns to Abydos to retrieve Daniel Jackson, who has discovered that the alien transit system includes much more than the two planets.
S01 E02Jul 28, 1997
Children of the Gods (2) Jul 28, 1997 Colonel O'Neill, leading the new SG-1, track Apophis back to the planet Chulak to rescue Sha're and Skaara, and befriend one of Apophis' Jaffa guards.
S01 E03Aug 2, 1997
The Enemy Within Aug 2, 1997 Major Kawalsky is possessed by a Goa'uld, and the SGC must find a way to remove it without killing him.
S01 E04Aug 9, 1997
Emancipation Aug 9, 1997 An alien civilization is forced to reconsider their views on women when Carter rebels against their social customs.
S01 E05Aug 16, 1997
The Broca Divide Aug 16, 1997 Members of SG-1 become infected with an alien virus that turns them into primitive beings. Dr. Fraiser must find a cure to save the team and the alien population from whom it was contracted.
Season 2Hulu | Rent or Buy
S02 E01Jun 27, 1998
The Serpent's Lair (3) Jun 27, 1998 With SG-1 trapped on Klorel's ship, it seems that Earth is doomed as the Pyramid Ships prepare to destroy Earth.
S02 E02Jul 4, 1998
In the Line of Duty Jul 4, 1998 Carter is possessed by a Goa'uld who claims to be an enemy of the System Lords.
S02 E03Jul 11, 1998
Prisoners Jul 11, 1998 SG-1 is put on trial and exiled to a prison world, where a woman maintains a strange control over her fellow prisoners.
S02 E04Jul 18, 1998
The Gamekeeper Jul 18, 1998 SG-1 is imprisoned in a virtual reality realm and forced to relive the worst moments of their lives over and over.
S02 E05Jul 25, 1998
Need Jul 25, 1998 Jackson becomes addicted to the effects of a Goa'uld sarcophagus, and falls for the planet's manipulative princess.
S02 E06Aug 1, 1998
Thor's Chariot Aug 1, 1998 SG-1 returns to Cimmeria, and finds that without protection from the Asgard the planet has been invaded by the Goa'uld.
Season 3Hulu | Rent or Buy
S03 E01Jun 26, 1999
Into the Fire (2) Jun 26, 1999 O'Neill, Carter and Jackson must escape Hathor's clutches, while Teal'c tries to raise a Jaffa army on Chulak. General Hammond must take desperate measures to rescue the team.
S03 E02Jul 3, 1999
Seth Jul 3, 1999 SG-1 must find a renegade Goa'uld who has been hiding on Earth for thousands of years.
S03 E03Jul 10, 1999
Fair Game Jul 10, 1999 The Asgard aid Earth in negotiating a nonagression treaty with the Goa'uld System Lords.
S03 E04Jul 17, 1999
Legacy Jul 17, 1999 When Daniel goes insane, SG-1 must deal with the legacy of Machello's anti-Goa'uld technology.
S03 E05Jul 24, 1999
Learning Curve Jul 24, 1999 SG-1 discovers a planet where children are used to acquire knowledge for the entire population, then discarded.
S03 E06Jul 31, 1999
Point of View Jul 31, 1999 SG-1 must free an alternate reality Earth from a Goa'uld invasion after duplicates of Samantha Carter and Charles Kawalsky come through the quantum mirror.
Season 4Hulu | Rent or Buy
S04 E01Jul 1, 2000
Small Victories (2) Jul 1, 2000 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.
S04 E02Jul 8, 2000
The Other Side Jul 8, 2000 A warring alien race offers to exchange their advanced technology for Earth's help in defeating their enemy.
S04 E03Jul 15, 2000
Upgrades Jul 15, 2000 A Tok'ra archaeologist arrives at the SGC with newly discovered technology, giving the SG-1 team superhuman powers.
S04 E04Jul 22, 2000
Crossroads Jul 22, 2000 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.
S04 E05Jul 29, 2000
Divide and Conquer Jul 29, 2000 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.
S04 E06Aug 5, 2000
Window of Opportunity Aug 5, 2000 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.
Season 5Hulu | Rent or Buy
S05 E01Jun 30, 2001
Enemies (2) Jun 30, 2001 SG-1 finds themselves stranded in a crippled ship in a distant galaxy -- with Apophis threatening to destroy them. Teal'c is brainwashed and made loyal to Apophis once again.
S05 E02Jul 7, 2001
Threshold (3) Jul 7, 2001 His mind altered by Apophis, Teal'c must undergo a ritual that takes him to the edge of death itself, in order for him to rediscover who he is.
S05 E03Jul 14, 2001
Ascension Jul 14, 2001 An alien being is smitten with Carter and follows her back to Earth. It assumes a human form and pursues a relationship with her.
S05 E04Jul 21, 2001
The Fifth Man Jul 21, 2001 O'Neill and Lieutenant Tyler are ambushed by Goa'uld forces and trapped behind enemy lines -- while the rest of their team discover they don't know who Tyler is.
S05 E05Jul 28, 2001
Red Sky Jul 28, 2001 SG-1 discovers that their recent trip through the Stargate may have inadvertently doomed an entire civilization.
S05 E06Aug 4, 2001
Rite of Passage Aug 4, 2001 Cassandra mysteriously falls ill, sending SG-1 back to her home planet -- where they uncover a dark Goa'uld secret.
Season 6Hulu | Rent or Buy
S06 E01Jun 8, 2002
Redemption (1) Jun 8, 2002 Tragedy reunites Teal'c with his son, who blames him for the death of his mother. O'Neill and Carter launch a risky plan with untested technology when Earth comes under attack by the Goa'uld.
S06 E02Jun 15, 2002
Redemption (2) Jun 15, 2002 Carter must find a way to save Earth from total destruction at the hands of the Goa'uld, who have turned the Stargate into a doomsday bomb. Rya'c joins his father on a mission to destroy the Goa'uld weapon.
S06 E03Jun 22, 2002
Descent Jun 22, 2002 SG-1 boards an abandoned Goa'uld mothership that has mysteriously arrived in Earth's orbit, and must escape the doomed vessel when it crashes into the ocean.
S06 E04Jun 29, 2002
Frozen Jun 29, 2002 SG-1 investigates the discovery of a woman frozen in the ice in Antarctica, who may be a link to the gate builders. A mysterious disease threatens to kill everyone at the research base.
S06 E05Jul 13, 2002
Nightwalkers Jul 13, 2002 Carter, Teal'c and Jonas investigate the death of a scientist with connections to the Goa'uld, and find a small town whose citizens harbor a dark secret.
S06 E06Jul 20, 2002
Abyss Jul 20, 2002 O'Neill is captured and tortured by the Goa'uld, and must rely on an old friend to survive.
Season 7Hulu | Rent or Buy
S07 E01Jun 14, 2003
Fallen (1) Jun 14, 2003 While searching for the Lost City of the Ancients on a distant planet, SG-1 is stunned to find Daniel Jackson alive and in human form but stripped of his memory. O'Neill convinces Daniel to return with them to the SGC, where he is reinstated for a daring mission to destroy Anubis' powerful new super-weapon!
S07 E02Jun 14, 2003
Homecoming (2) Jun 14, 2003 The team returns to Jonas' homeworld when they learn that the Goa'uld are after its naquadria. When Jonas is captured by Anubis, Daniel is his only hope.
S07 E03Jun 21, 2003
Fragile Balance Jun 21, 2003 A teenage boy shows up at the S.G.C. claiming to be Jack O'Neill, sending the team on a mission to uncover his true identity.
S07 E04Jun 28, 2003
Orpheus Jun 28, 2003 After an injury, Teal'c must put aside his self-doubt when SG-1 launches a mission to rescue his son and his mentor from a Jaffa death camp.
S07 E05Jul 12, 2003
Revisions Jul 12, 2003 The team gates to a climate-controlled environment amidst a toxic wasteland, whose people are all linked to a central computer.
S07 E06Jul 19, 2003
Lifeboat Jul 19, 2003 When SG-1 finds a crashed alien space ship, Daniel's mind is taken over by its disembodied passengers.
Season 8Hulu | Rent or Buy
S08 E01Jul 10, 2004
New Order (1) Jul 10, 2004 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.
S08 E02Jul 10, 2004
New Order (2) Jul 10, 2004 While the Goa'uld threaten to attack Earth, SG-1 and the Asgard make a last, desperate standagainst the Replicators, which have captured Major Carter and invaded the last outpost ofthe Asgard civilization.
S08 E03Jul 24, 2004
Lockdown Jul 24, 2004 The S.G.C. is put under quarantine after a mysterious infection leaves a Russian officer in the infirmary -- but the disease may not be a disease at all.
S08 E04Jul 31, 2004
Zero Hour Jul 31, 2004 General O'Neill tries to settle into his new job, but faces never-ending crises - including the capture of SG-1 by the Goa'uld.
S08 E05Aug 7, 2004
Icon Aug 7, 2004 Daniel is stranded on another planet after the team's arrival on an alien world sparks aviolent civil war.
S08 E06Aug 14, 2004
Avatar Aug 14, 2004 Teal'c is trapped in a virtual reality simulation, in which he must defend the base from a Goa'uld super-soldier incursion.
Season 9Hulu | Rent or Buy
S09 E01Jul 16, 2005
Avalon (1) Jul 16, 2005 An Air Force pilot attempts to reassemble SG-1 after they have gone their separate ways. An old "friend" arrives on Earth asking for Daniel's help in finding an ancient treasure -- and she won't take no for an answer.
S09 E02Jul 23, 2005
Avalon (2) Jul 23, 2005 An Ancient communications device renders Daniel and Vala unconscious, sending their minds to another galaxy -- where they inhabit the bodies of two people persecuted by the followers of an evil religion.
S09 E03Jul 30, 2005
Origin (3) Jul 30, 2005 Daniel comes face to face with the Ori, a fiery race of beings who demand the worship of mortals. Elsewhere, Stargate Command encounters the first Ori missionary in our galaxy.
S09 E04Aug 6, 2005
The Ties That Bind Aug 6, 2005 Jackson and Mitchell must join Vala on an interplanetary scavenger hunt when they learn that they are still bound together by an alien energy field.
S09 E05Aug 13, 2005
The Powers That Be Aug 13, 2005 SG-1 visits a world whose people once worshipped Vala as a god -- and demand that she stand trial when she confesses to manipulating them.
S09 E06Aug 20, 2005
Beachhead Aug 20, 2005 Samantha Carter returns to Stargate Command when the Ori seize control of a planet, using an expanding force field to gain a foothold in our galaxy.
Season 10Hulu | Rent or Buy
S10 E01Jul 15, 2006
Flesh and Blood Jul 15, 2006 As the Ori invade the Jaffa planet Chulak, Vala and Daniel must deal with their leader: Vala's young daughter, rapidly aged by the Ori to serve their purposes.
S10 E02Jul 22, 2006
Morpheus Jul 22, 2006 SG-1 investigates a problem off-world and soon finds that they have become victims themselves: they cannot stay awake. Meanwhile, Vala Mal Doran undergoes an evaluation on Earth, hoping to join SG-1.
S10 E03Jul 29, 2006
The Pegasus Project Jul 29, 2006 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.
S10 E04Aug 5, 2006
Insiders Aug 5, 2006 When Baal comes to Earth seeking help, Stargate Command must capture his clones and determine which one is the genuine article.
S10 E05Aug 12, 2006
Uninvited Aug 12, 2006 Teal'c discovers a world where people are being savagely attacked by an elusive creature, leading SG-1 to a stunning discovery about its potential origin.
S10 E06Aug 19, 2006
200 Aug 19, 2006 Martin Lloyd seeks out SG-1 for assistance when his failed TV show based on the real Stargate program becomes a feature film.