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The team struggles to reunite after an Ori defeat.
While searching for a weapon that will defeat the Ori, the team finds a planet whose inhabitants are dying of a mysterious illness.
The team travels to Atlantis with a new plan to defend the galaxy from the Ori.
The team makes a pact with a former enemy to fight a common foe.
SG-1 tries to control a rash of brutal attacks by an alien creature.
SG-1 tries to help Martin Lloyd with his film script as a cover story to keep the Stargate Program secret.
Adria leads an attack on a Jaffa planet after the Jaffa modify an ancient device to make it capable of defeating the Ori.
Vala gets amnesia when Trust agents working for the Goa'uld Athena capture her.
Members of the Lucian Alliance attack and board the Odyssey, and Mitchell goes under cover to track it down.
SG-1 members begin a quest to find the Sangraal after landing on a planet where they believe it to be.
SG-1 members work to help build the Sangraal before Adria and her Ori army can track them down.
Mitchell and Carter must protect a village from occupation by Ori soldiers.
An experiment gone awry leaves Carter trapped in a parallel reality under martial law.
Daniel Jackson asks SG-1 to help him in a plan that might be a trap; the team must save Jackson's life and try to end the war with the Ori.
When SG-1 members undermine Netan and the Lucian Alliance, he decides to put a bounty on their heads.
SG-1 team members must play the part of hostage-takers when inhabitants of an alien planet mistake them for rebels.
When a sinister leader threatens the Jaffa nation, Teal'c must go rogue in order to stop him.
Vala's father attempts to trade intelligence to Stargate Command for sanctuary on Earth.
The SG-1 team creates an elaborate plan to use Vala as bait to capture Adria; Adria is taken captive by Ba'al.
With extinction imminent, the Asgard decide to hand over all of their knowledge and technology to the SG-1 team.
Lt. Col. Mitchell, Jackson, Teal'c and Vala set out on a mission to uncover a stash of ancient riches.
Daniel Jackson and Vala are transported to a distant galaxy populated by worshippers of a strange authority.
Daniel and Vala inadvertently expose Earth to a new threat.
Daniel and Vala embark on a series of missions in their quest to unlock the device that has bound them together.
Daniel and Vala are subject to the wrath of their enemy after trying to undo the teachings of the Ori on a distant planet.
Samantha Carter returns to SG-1 to join the team for a mission to free a distant planet from the Ori's control.
The team intervenes when a conflict between Gerak and Ba'al puts the United States at risk.
Lt. Col. Mitchell disappears while trying to make contact with a group of legendary Jaffa warriors.
The team discovers a man frozen in stasis in what they believe to be an ancient science lab.
Teal'c struggles to dissuade Gerak from joining forces with a powerful foe; Carter works on a technology that might help the team defeat their foe.
While Gerak's forces rise against them, the team tries to find an antidote for the plague that the Ori unleashed.
A new technology allowing individuals to share memories victimizes Mitchell.
The sudden arrival of several cloned SG-1 teams baffles Stargate Command.
Daniel fears the worst when Teal'c disappears.
The team must destroy a deadly weapon that the Ori invented.
The team plans an offensive when they learn that Ba'al is regaining power.
The team must destroy a crop of genetically engineered insects.
Mitchell, Carter and Daniel fall victim to the effects of a powerful ancient device, while Teal'c is away investigating foul play on a Jaffa planet.
Vala returns to Stargate Command with news about the Ori.
Mitchell and Daniel race to locate a device that will obliterate the Ori.
Carter is taken prisoner when she and Teal'c attempt to contact the Asgard; Dr. Weir and Daniel Jackson negotiate with untrustworthy adversaries.
Carter becomes a prisoner when she and Teal'c attempt to contact the Asgard; Dr. Weir and Daniel Jackson negotiate with untrustworthy adversaries.
Stargate Command must lock down when a mysterious contagion begins infecting members of the team.
Gen. Jack O'Neill questions his ability to run Stargate Command when the Goa'uld capture SG-1.
After SG-1's appearance sparks a civil war, Daniel Jackson aids a battle-ravaged society.
Teal'c gets trapped in a virtual-reality training scenario.
While trying to blend in as a civilian, Teal'c becomes a suspect in a murder case.
A respected industrialist tries to reveal the truth about the existence of alien life.
Feelings about his son's marriage put Teal'c at odds with the leaders of the Jaffa uprising.
The SG-1 team must find the connection between the disappearance of the Stargate and a rash of Jaffa deaths.
When an enemy takes on the guise of one of the team, Carter's emotions leave the planet susceptible to attack.
Daniel must face off against a powerful enemy when a search-and-rescue mission goes wrong.
While trying to warn a former adversary of an approaching threat, the SG-1 team stumbles upon what may be an ancient time-machine.
An old adversary resurfaces with information vital to the government's security.
A mysterious stone causes an ordinary man to have visions of SG-1 in action.
The SG-1 crew questions its allegiances when a battle for galactic supremacy begins.
As the battle between the Replicators and the Goa'uld escalates, SG-1 searches for a weapon to stop the Replicators.
The members of SG-1 deal with issues that have arisen over their years of service together and look toward the future; Daniel Jackson faces a difficult decision.
SG-1's search for a power source may leave them stranded in Ancient Egypt.
When SG-1 disrupts the space-time continuum, civilian Carter and Daniel must set things right.
The SG-1 team tries to help Daniel rediscover his identity and foil Anubis' bid for galactic domination.
Anubis lays siege to Jonas' home planet, Kelowna, threatening to tear it apart and enslave its people.
O'Neill regresses several decades and becomes his teenage self.
Teal'c is powerless to save his son from enslavement in a death camp.
SG-1 discovers an oasis of life in a force-field dome on a desolate planet.
After a mission to a downed spaceship, Daniel appears to have multiple personalities.
After a member of a science team is killed, O'Neill and the crew investigate the Naquadah planet and discover it is inhabited by Unas, who were once enslaved by the Goa'uld as miners.
Carter pairs with Warrick in a race in which more is at stake than a lucrative contract with a leading technology corporation.
A newly invented viral weapon backfires when Stargate Command uses it against the Goa'uld and Ba'al.
O'Neill and the crew of SG-1 negotiate an alliance between Earth and a planet inhabited by female warriors.
The team encounters an unstoppable new breed of Goa'uld supersoldier impervious to any weapon known to man.
Maj. Carter leads a mission to Anubis' home world; O'Neill heads to Central America to rescue Daniel.
Maj. Carter wakes to find the crew missing after the Prometheus encounters an alien attack.
With his home world facing a natural disaster, Jonas Quinn must tunnel below the planet's surface to prevent a massive explosion of raw energy.
Carter's new relationship is in jeopardy when he begins to investigate her secret life; Osiris manipulates Daniel's dreams.
After Anubis destroys the alpha site, Carter must run from an unstoppable foe; the alliance between the Tok'ra and the rebel Jaffa begins to fracture.
The president sends a small crew to film standard operational procedures at the Stargate Command base.
While Bregman hounds the SG-1 crew for video footage, a key member of the SGC is killed in action.
Daniel discovers a human-Goa'uld hybrid and tries to gain her trust.
Newly inaugurated Vice President Kinsey asks the president to put the Stargate program under his command.
When knowledge of the Ancients is downloaded into O'Neill's brain, he possesses the power to save Earth from Anubis.
O'Neill begins to process the information the Ancients planted in his brain; the team discovers what may be the lost city of Atlantis.
An off-world weapon transforms the Stargate into a doomsday device.
A desperate gambit to save Earth could destroy the Stargate.
A botched operation traps the team in an alien mothership at the bottom of the Pacific.
The team struggles to survive in Antarctica with a young woman found in the ice.
Inhabitants of a sleepy seaside town harbor a dark secret.
O'Neill becomes the prisoner of a system lord, with no memory of how he got there.
Jonas (Corin Nemec) leads the team to his home planet in a bid to avert a war.
SG-1's survival depends on two unlikely heroes when the Goa'uld capture it.
An invisible assassin goes on a killing spree, threatening to turn the Tok'ra and their rebel Jaffa allies against each other.
A flawed miracle drug threatens Pangeran civilization, leading SG-1 to a discovery about the Tok'ra.
Hostile forces commandeer a spaceship that government scientists are building in an underground bunker.
The SG-1 crew helps Thor stop robots from destroying everything in their path.
An ancient artifact emits a contagious energy field that makes people see horrible visions.
O'Neill is the suspect, with indisputable evidence against him, when a political leader is assassinated.
O'Neill is lured to a lost planet where an experiment in alien utopia has gone wrong.
SG-1 encounters mutants in an off-world laboratory.
Russian and American officials must tell the British, Chinese and French about the Stargate program after a Goa'uld mothership crashes into the Pacific.
An encounter with the survivors of a crashed spaceship turns into a deadly game of deception.
An experimental procedure may free Teal'c of the need for a symbiote.
The crew of X-303 is stranded in deep space after a test of the Naquadriah hyperdrive fails.
Jonas starts predicting the future, complicating the SG-1 team's efforts to thwart the ambitions of a scheming underlord.
The SG-1 team races to prevent Anubis from capturing a powerful necklace.
The SG-1 team battles Apophis (Peter Williams) aboard a doomed ship after losing one of its members. Stars Richard Dean Anderson.
Teal'c (Christopher Judge) undertakes a dangerous Jaffa ritual in an attempt to free his mind from Apophis. With Richard Dean Anderson.
Carter (Amanda Tapping) discovers she has an unusual new friend after blacking out on an alien world. With Richard Dean Anderson.
O'Neill (Richard Dean Anderson) refuses to abandon a new team member who might not really be one of them.
SG-1 learns the wormhole may accidentally cause the extinction of life on a friendly world.
Cassandra develops strange new powers that pose a threat to her future and that of SG-1. Richard Dean Anderson stars.
Daniel (Michael Shanks) goes on a rescue mission after his Unas friend Chaka is taken by slave traders. Stars Richard Dean Anderson.
SG-1 teams up with a Russian Stargate squad to search for soldiers lost in an alien temple. Stars Richard Dean Anderson.
When the Tollans suddenly decide to share weapons technology with SG-1, O'Neill tries to find out why.
An encounter with a benign alien species leads SG-1 into contact with yet another race that just seems too good to be true.
O'Neill (Richard Dean Anderson) tries to track down Carter (Amanda Tapping), who is missing on Earth and endangered by deadly experiments.
In order to monitor the alien, O'Neill becomes technical adviser to a new TV series with a familiar storyline.
A mission at Stargate Command cuts short O'Neill's training session with a young Stargate team.
When Teal'c fails to materialize through the Stargate, the other SG-1 members race against time to save him.
Osiris goes to war with the System Lords, leading to a massive peace summit on a heavily armed space station.
The team learns an asteroid is on a collision course with Earth.
A Jaffa leader tries to rally his people against the Goa'uld, while seeking to forge an alliance with Earth.
SG-1 finds a replicator-controlled world and explores its origins.
Anubis' forces lay siege to a planet after the Shades of Gray NID team disables its defenses; SG-1 works with the captives to restore the protection.
Daniel tries to prevent a catastrophic accident on another planet and gets exposed to deadly radiation.
The team is sent on a mission to try to prevent Asgard technology from falling into the clutches of the Goa'uld.
The SG-1 team must confront and smash replicators that have made their way to Earth. With Richard Dean Anderson.
The team responds to a cry for help from a civilization that traces its origins to Earth. With Richard Dean Anderson, Michael Shanks, Amanda Tapping, Christopher Judge and Don S. Davis.
The team members encounter a device that enables them to become superhuman. With Richard Dean Anderson, Michael Shanks, Amanda Tapping, Christopher Judge and Don S. Davis.
Teal'c (Christopher Judge) is reunited with a long-lost love who claims she has found a way to defeat the Goa'uld. With Richard Dean Anderson, Michael Shanks, Amanda Tapping and Don S. Davis.
The team members fear they may have fallen prey to an untraceable form of Goa'uld mind control.
Exposure to an alien device causes Col. O'Neill and Teal'c to relive the same day over and over again.
After discovering a Stargate, the Russians turn to the SG-1 team for help. With Richard Dean Anderson.
Held captive by an Unas, Daniel Jackson must use his skills to survive.
The SG-1 team gets caught between two different civilizations trying to colonize the same planet. With Richard Dean Anderson.
The team members find themselves working on an alien power station with no memory of their former lives.
Col. O'Neill encounters a strange man who has inexplicably intimate knowledge of the Stargate program.
Teal'c and O'Neill are sent hurtling into space when their test flight of a Goa'uld death glider goes awry.
Daniel Jackson reunites with a friend and a foe from his past.
The team is dispatched to try to disrupt a possible alliance between the lords of two powerful systems.
Gen. Hammond (Don S. Davis) announces his retirement, shocking everyone at the SGC. With Richard Dean Anderson.
In the year 2010, many changes have occurred on earth and to the SGC.
The team members notice a change in Daniel (Michael Shanks) when he is reunited with the Harsesis child.
Traveling to a new planet, the team members find themselves transfixed by a beautiful but deadly device.
Carter tries to help a brilliant cadet who's on the brink of ruining her future.
An alien probe infects Stargate Command and uploads its program into the base computers.
An old acquaintance comes looking for help, causing problems for the SG-1 crew. Stars Richard Dean Anderson.
SG-1 is reunited with the Tok'ra when the team steals a Goa'uld mother ship. Stars Richard Dean Anderson.
Imprisoned on Hathor's planet, the team has only one hope of escape.
The SG-1 team pursues an ancient Goa'uld Lord posing as the leader of a religious cult on Earth. Stars Richard Dean Anderson.
The Earth's future is placed in jeopardy by rivalries between Goa'uld Lords. Stars Richard Dean Anderson.
The SG-1 team becomes infected by Machello's deadly legacy. Stars Richard Dean Anderson.
O'Neill (Richard Dean Anderson) risks a potential court-martial to teach an alien child the joys of childhood.
When an alternate Earth is invaded by the Goa'uld, its versions of Dr. Carter and Maj. Kawalsky seek aid from SGC.
A cold-hearted alien bounty hunter captures SG-1 while the team is making a routine planetary exploration.
Encountering a medieval civilization, the SG-1 team members are mistaken for demons. Stars Richard Dean Anderson.
The team travels to a planet occupied by young soldiers engaged in deadly war games. Stars Richard Dean Anderson, Michael Shanks, Amanda Tapping and Christopher Judge.
Daniel Jackson's reunion with Sha're leads to painful consequences.
SG-1 encounters an entire world suffering from amnesia. Stars Richard Dean Anderson.
Samantha (Amanda Tapping) must access her memories of Jolinar to save her father. With Richard Dean Anderson, Michael Shanks and Christopher Judge.
The SG-1 team must escape from a prison built to simulate the fires of hell. Stars Richard Dean Anderson, Michael Shanks, Amanda Tapping and Christopher Judge.
Returning from a mission, the team discovers no one at AGC is who they appear to be. Stars Richard Dean Anderson, Michael Shanks, Amanda Tapping and Christopher Judge.
Shaara and Klorel are put on trial to decide who lives and who dies. With Richard Dean Anderson, Michael Shanks, Amanda Tapping and Christopher Judge.
A curious being invades the minds of SG-1 team members. With Richard Dean Anderson, Michael Shanks, Amanda Tapping and Christopher Judge.
A freakish act of nature leaves O'Neill trapped on a planet with no way home.
O'Neill commits an indiscretion that jeopardizes Earth's diplomatic relations with its allies.
The SG-1 team members' arrival on a planet makes them pawns in an ideological war.
SG-1 races against Apophis to find the Harsesis child.
After Daniel vanishes during an exploration, the team seeks help from his eccentric grandfather.
The SG-1 team faces its most formidable foe -- creatures of mass destruction that even the Asgard can't control.
O'Neill and the group are on a suicide mission to protect Earth from the Goa'uld.
Samantha's body is taken over by a hunted alien.
The SG team is sentenced to serve on a prison planet whose ruler holds the key to their release.
The team members enter a virtual-reality loop and relive terrifying experiences.
Smitten Daniel learns Goa'uld secrets from an alien princess.
The SG team rallies to assist a defenseless planet from a Goa'uld invasion.
An alien orb recovered from a planet takes O'Neill and the SG command hostage.
Kidnapped and brainwashed, the son of Teal'c denounces his father as a traitor.
Jackson's wife is pregnant with Apophis' child; a reporter threatens to reveal the Stargate project.
Teal is stung by an enormous alien insect and begins a nightmarish transformation.
Samantha Carter has a vision which leads her to a group of rebellious Goa'uld.
Samantha's dying father agrees to become a host for a Tok'ra.
Protective spirits guard a planet against an ambitious mining plan.
The SG-1 team uncovers a sinister government agenda while returning a stolen weather device.
O'Neill absorbs the knowledge of the aliens who invented the stargates.
While trying to save others from a black hole, the SG team becomes imperiled.
Ma'chello, a dying old man, uses his soul-swapping machine to take over Daniel's body and gets a taste of life on Earth.
An ancient enemy unleashes a wrathful, destructive spirit.
The UAV plane crash-lands on a planet inhabited by friendly, gentle aliens, unleashing an illness that threatens to destroy the race.
Invisible aliens plot to kill all mankind.
The team travels back in time, where its fate is in the hands of a younger Gen. Hammond.
O'Neill wakes up in the future and discovers he has been frozen for 80 years and the rest of SG-1 are long-dead.
As Colonel Jack O'Neill and his team journey to Abydos to confront deadly warriors and laser-firing Death Gliders, O'Neill realizes that this new mission seems hauntingly familiar and that an old enemy has returned to take his revenge on Earth.
A parasitic presence inside the SG-2 leader's head causes him to run amok.
A trade for weapons has a profound impact on the lives of the inhabitants of planet Simarka.
A virus on another world turns intelligent people into primitive beings.
A commander acts as god on a planet polluted with solar radiation.
O'Neill (Richard Dean Anderson) faces up to the death of his young son after coming into contact with a mysterious crystal.
O'Neill and the team encounter fairies who protect a planet's indigenous species by making them invisible.
People of Argos have short lives due to a failed experiment by a Goa'uld.
O'Neill and Teal'c become prisoners on a planet ruled by Norse gods.
The SG-1 crew hunts for a long-lost man believed to have passed through the gate years ago.
The team returns to Chulak to save the son of Teal'c and bring back larva.
The SG-1 team returns from the planet Oannes in a panic and minus Daniel Jackson, who was last seen being consumed by a column of flames; but as his comrades mourn him on Earth, Daniel is the captive of an amphibious humanoid creature known as Nem.
A Goa'uld takes over the persona of an ancient Egyptian fertility deity and seduces Stargate's men.
The sole survivor of a disease that wiped out a planet's population is brought to Earth.
Teal'c is accused of murdering the father of a Byrsa village resident when he was a Jaffa.
After the SG-1 team rescues refugees from war-torn Tollan, they risk court-martial to protect the planet from self-destruction.
O'Neill and Carter, having traveled to Earth through a Stargate, face danger in an Antarctic environment.
The caretaker of a poisoned planet turns the members of SG-1 into robots.
Daniel is transported to an alternate Earth besieged by the Goa'uld.
The Stargate project is threatened when an influential senator holds hearings to determine its fate.
SG-1 sneaks aboard a Goa'uld attack ship and learns Earth is in danger.