Stargate SG-1

When powerful aliens come through Earths Stargate, Colonel Jack ONeill returns to Abydos to retrieve Daniel Jackson, who has discovered that the alien transit system includes much more than the two planets.

Major Kawalsky is possessed by a Goauld, and the SGC must find a way to remove it without killing him.

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.

During an off-world assignment, Jack is struck down by energy from a blue crystal... which creates a duplicate of him that returns to Earth in Jacks place.

SG-1 discovers a race of attractive people who age extremely rapidly. The situation becomes personal when ONeill begins to suffer from the same accelerated aging, and must live out the rest of his life on the planet.

SG-1 tracks down Catherine Langfords fiancee, who took the first Stargate trip in 1945, and discovers an ancient meeting hall that may hold the secrets of the universe itself.

Daniel is taken captive by an alien with a hidden agenda, while SG-1 is made to believe he is dead.

A mysterious affliction wipes out the entire population of a planet, plus an SG team -- except for one young girl. Carter befriends her, but learns that she is being used by the Goauld.

The SG-1 team rescues a group of advanced humans from a planet near destruction, and must find a new home for the refugees before the Pentagon gets their hands on them.

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.

Senator Kinsey arrives at the SGC to investigate the program and determine whether the great drain on the U.S. budget is worthwhile, prompting the team to recall missions from the past year.

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

SG-1 is put on trial and exiled to a prison world, where a woman maintains a strange control over her fellow prisoners.

Jackson becomes addicted to the effects of a Goauld sarcophagus, and falls for the planets manipulative princess.

SG-1 discovers an ancient artifact that takes ONeill and the S.G.C. hostage.

Jackson discovers that his wife has returned to Abydos, and is nine months pregnant with the son of Apophis. ONeill must keep the secret of the Stargate program from being uncovered.

SG-1 locates the Tokra, a Goauld resistance movement who oppose the System Lords, and attempt to form an alliance. Jacob Carters cancer brings him near death.

SG-1 finds a planet inhabited by Native American Indians, protected by spirits who are actually advanced alien shapeshifters.

ONeill becomes the unwilling receptacle for a library of alien knowledge.

SG-1 discovers an elderly man known for developing technology to fight the Goauld. Daniel is tricked into switching bodies with the man, Machello, who believes he is "owed" for all the good he has done.

A group of primitive aliens begin to fall deathly ill after SG-1 arrives.

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

ONeill, Carter and Jackson must escape Hathors clutches, while Tealc tries to raise a Jaffa army on Chulak. General Hammond must take desperate measures to rescue the team.

The Asgard aid Earth in negotiating a nonagression treaty with the Goauld System Lords.

SG-1 discovers a planet where children are used to acquire knowledge for the entire population, then discarded.

SG-1 is taken captive by an alien bounty hunter with uncertain loyalties.

SG-1 discovers a military camp where young men are trained to impersonate SGC personnel to infiltrate Earth.

SG-1 encounters an entire planet suffering from amnesia. The planets leader returns to Earth with SG-1 to find a cure, but SG-1 suspects she may not be who she appears to be.

SG-1 must escape a hellish prison moon, and one of their worst enemies.

The Tollan put Skaara and Klorel on trial to determine who will control the host body.

After a meteor strike buries the Stargate, ONeill finds himself stranded on a planet with no hope of rescue.

The members of SG-1 are imprisoned on a planet and become pawns in a war of ideology.

An alien artifact causes Daniel to disappear, and the team looks for help from his institutionalized grandfather.

ONeill and Tealc 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 Tokra archaeologist arrives at the SGC with newly discovered technology, giving the SG-1 team superhuman powers.

When a member of the SGC tries to kill a Tokra, it is revealed that ONeill and Carter may be victims of an untraceable form of Goauld mind control.

The Russians recover a Stargate from the bottom of the ocean, and turn to the SGC for help when their experiments go awry.

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

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

When his former mentor dies, Dr. Jackson returns to his roots -- and discovers an ancient Egyptian artifact containing a Goauld parasite.

SG-1 must adjust to a new commanding officer when General Hammond steps down -- but ONeill discovers foul play behind the generals resignation.

Jacksons teammates notice a disturbing change in him when he is reunited with the Harcesis child and given the Goauld genetic memory.

Carter must help keep a promising young cadet from throwing away a future at the SGC. ONeill and Tealc encounter a dangerous life form at an offworld research base.

SG-1 must rescue an alien world from the Goauld -- with help from an unexpected source. Tealc seeks revenge on the System Lord Cronus for the murder of his father.

SG-1 finds themselves stranded in a crippled ship in a distant galaxy -- with Apophis threatening to destroy them. Tealc is brainwashed and made loyal to Apophis once again.

An alien being is smitten with Carter and follows her back to Earth. It assumes a human form and pursues a relationship with her.

SG-1 discovers that their recent trip through the Stargate may have inadvertently doomed an entire civilization.

SG-1 discovers a civilization that uses Unas as slave labor, and attempt to liberate Daniels friend, Chaka.

The Tollan offer Earth advanced weapons technology, prompting a secret investigation on Tollana -- one that leads to a startling discovery.

When Carter goes missing, ONeill teams up with Col. Maybourne again to free her.

SG-1 trains a team of raw cadets, and Colonel ONeill is forced to take them into a real-life battle situation when he learns of a possible alien incursion at the SGC.

The Tokra war with the Goauld escalates, and the rebel faction sends Daniel Jackson to a secret meeting between the System Lords.

Earth finds itself threatened by something even larger than the Goauld when the team learns that an asteroid is on a collision course with the planet.

SG-1 encounters a young woman with the ability to control Replicators, and who may hold the key to the salvation of the Asgard.

Daniel Jackson is exposed to a lethal dose of radiation while visiting an alien civilization that is building a weapon of mass destruction.

Tragedy reunites Tealc with his son, who blames him for the death of his mother. ONeill and Carter launch a risky plan with untested technology when Earth comes under attack by the Goauld.

SG-1 boards an abandoned Goauld mothership that has mysteriously arrived in Earths orbit, and must escape the doomed vessel when it crashes into the ocean.

Carter, Tealc and Jonas investigate the death of a scientist with connections to the Goauld, and find a small town whose citizens harbor a dark secret.

Jonas people ask Earth for military aid in an impending war with their rival nations, but his former mentor offers another solution: a resistance movement ready for a coup.

Tensions rise between the Tokra and rebel Jaffa at the S.G.C.s offworld base when they are attacked by an invisible enemy.

A news reporter threatens to expose a top-secret military project, but when Carter and Jonas give her a tour of the X-303, they discover that she is a pawn in a much larger plot.

The team returns to Earth with a piece of technology that allows them to see alien creatures everywhere, and must attempt to contain the problem when it spreads beyond the base.

Colonel ONeill is trapped on an alien planet with Maybourne, and must fight to stay alive as his companion becomes increasingly paranoid.

General Hammond and the Pentagon reveal the existence of the Stargate to other world governments, and must defend the fact that the program is operated by the United States military.

A near-death trial causes Tealc to imagine his life as very different from the one he knows, where he is a normal person living on Earth -- until he can no longer distinguish reality.

The team finds an impoverished world enslaved by a Goauld underlord, but their plans to free it may be compromised when Jonas experiences unexplained visions of the future.

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. ONeill convinces Daniel to return with them to the SGC, where he is reinstated for a daring mission to destroy Anubis powerful new super-weapon!

A teenage boy shows up at the S.G.C. claiming to be Jack ONeill, sending the team on a mission to uncover his true identity.

The team gates to a climate-controlled environment amidst a toxic wasteland, whose people are all linked to a central computer.

When Earths attempts to exploit a newly-discovered naquadah mine are thwarted by a tribe of indigenous Unas, SG-1 must turn to an old friend for help.

An S.G.C. scientist creates a computer virus to be used to disable enemy Stargates -- but succeeds in shutting down the entire gate network.

The team investigates an unstoppable new enemy soldier engineered by Anubis. Dr. Jackson leads a team in search of an alien device in Central America, but gets more than he bargained for.

Carter is injured when the Prometheus is attacked by an unknown ship, and awakens to find herself stranded alone in deep space.

Daniel is plagued by dreams of his former girlfriend, who has been taken as a Goauld host. Samantha Carter begins a romantic relationship with a detective, from whom she must hide her life at Stargate Command.

A film crew arrives to document the work of the S.G.C. for eventual disclosure to the public, but finds that the bases personnel are less than eager to participate.

SG-1 investigates a secret N.I.D. laboratory, where a ruthless scientist has used cloning technology to create a Goauld-human hybrid.

ONeill goes to great lengths to keep the Ancients knowledge from falling into Goauld hands when the team discovers a second repository. The President replaces General Hammond with a civilian diplomat.

Carter and Tealc go in search of the Asgard to try and save Colonel ONeill, but discover that the Asgards enemy has returned with a vengeance. The System Lords seek an alliance with Earth against a common enemy.

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.

Daniel is stranded on another planet after the teams arrival on an alien world sparks a violent civil war.

Tealc becomes the chief suspect in a murder investigation after he moves into an apartment off-base. Carter considers her future with Pete.

The impending wedding of his son is the least of Tealcs worries when the Haktyl plan an uprising against the Goauld Moloc, driving a wedge between Tealc and Ishta.

A duplicate of Colonel Carter seeks help from Stargate Command in defeating the Replicator Fifth, who she claims has found a way to counter the Asgards new weapon.

SG-1 comes to the aid of a world about to be invaded by the Goauld, only to discover that the local king is Earths Harry Maybourne.

Jack is confronted in his home by an irate barber...who claims to know everything about the Stargate project and SG-1.

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

SG-1 travels back in time in a daring plan to steal a piece of Ancient technology from Ra, the powerful Goauld who ruled in ancient Egypt.

An Air Force pilot attempts to reassemble SG-1 after they have gone their separate ways. An old "friend" arrives on Earth asking for Daniels help in finding an ancient treasure -- and she wont take no for an answer.

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.

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.

SG-1 investigates when evidence suggests that there are still Goauld hiding on Earth -- including a former System Lord. Tensions between Earth and the Free Jaffa continue to mount.

SG-1 finds a genetically advanced Goauld-human hybrid created by Anubis, and returns him to Earth for study. But even keeping him alive may not be worth the risk.

As the Ori plague spreads rapidly, SG-1 hopes that the Prior who caused the disease may hold the key to its cure. Gerak tries to rally the Jaffa to the Oris cause, prompting Tealc and Bratac to initiate a resistance.

Multiple SG-1s show up at Stargate Command, leading the "real" team to conclude that they have each been inadvertantly displaced from different parallel realities.

Daniel is imprisoned on a world under the influence of the Ori, and the Prometheus is caught in a firefight when SG-1 tries to rescue him.

A tour of an off-world research base for a group of foreign diplomats turns dangerous when an insidious insect species gets loose.

Vala Mal Doran makes contact with Stargate Command from the Ori home galaxy, and tells the story of her life undercover in a village of followers building the Oris invasion fleet.

As the Ori invade the Jaffa planet Chulak, Vala and Daniel must deal with their leader: Valas young daughter, rapidly aged by the Ori to serve their purposes.

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

Tealc discovers a world where people are being savagely attacked by an elusive creature, leading SG-1 to a stunning discovery about its potential origin.

The Jaffa take the fight to the Ori, using a genocidal weapon on their new worshipers and landing SG-1 in the middle of a war they cant control.

Cameron Mitchell must go undercover inside the deadly Lucian Alliance to prevent his teammates from becoming casualties of an Alliance civil war.

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

An experiment gone wrong pulls Samantha Carter into a parallel reality, where she must save Earth from an Ori assault before she will be allowed to return home.

When the Lucian Alliance puts a bounty on SG-1s heads, Cameron Mitchell finds himself a target while attending his high school reunion.

When a terrorist attack decimates a Jaffa summit Tealc strikes out on a quest for revenge, believing that the perpetrator is one of his own pupils.

SG-1 hatches an elaborate plan to try and capture Adria, using Vala as bait.