The Asgard summon SG-1 to tell them that their experiments to halt their genetic degeneration have failed, meaning they are a dying race. Because of this, the Asgard have decided to give "everything [they] have and know"...
Stargate SG-1
Show summary:
A secret military team, SG-1, is formed to explore the recently discovered StarGates.
A secret military team, SG-1, is formed to explore the recently discovered StarGates.
SG-1 gets caught in the middle when Ba'al and Adria compete for domination of the galaxy.
Vala's father Jacek contacts SGC claiming to have vital information that could impact the survival of Earth. Meanwhile, Gen. Landry's ex-wife pays a visit.
After a terrorist attack on a Jaffa summit leaves many dead and Bra'tac seriously injured, Teal'c goes on a one-man quest for revenge.
SG-1 finds an alien museum on another planet but are mistaken for a bunch of rebels that have taken hostages.
Col. Mitchell returns to Kansas to attend his high-school reunion with Vala when Stargate Command learns of an attack on SG-1 team members.
The SG-1 team learns of yet another world that has been visited by a Prior of the Ori. However, this Prior hasn't issued any threats. The team waits for the Prior's return, only to be shocked by his identity.
Carter ends up in an alternate universe and changes the course of things in that universe.
Mitchell, Carter and Teal'c arrive on a planet being threatened by the Ori. They decide that a line needs to be drawn and that the Ori must not be allowed to advance any further. Carter attempts to use the Ancient Merlin...
SG-1, Adria, and Ba'al continue their quest to search for Merlin's weapon. They defeat the dragon then SG-1 and Ba'al are transported to another planet without Adria. The team search the new location and find Merlin, but...
SG-1 races against Baal in the hunt to find the Sangraal, Merlin's anti-Ori weapon, and comes up against a series of ancient trials.
Mitchell attempts to infiltrate the Lucian Alliance in order to rescue members of the SG-1 team from the fallout of an Alliance civil war.
Vala finds herself alone in a city with no memory of her identity or past life. Meanwhile, Mitchell and Teal'c question a man named Weaver who may have information about Vala's whereabouts.
After Adria's followers on a planet are wiped out, she attempts to learn the location of this powerful new weapon.
Mitchell eagerly awaits the next off-world mission, which will be his th trip through the Stargate. However, Martin Lloyd returns and seeks help with his movie script. The Pentagon orders the SG-1 team to assist because ...
While assisting SG-3 on an offworld mission, Teal'c encounters a savage alien creature that is killing the inhabitants. SG-1 investigates and learns that a parasite is to blame. The team suspects that the Ori are respons...
Stargate Command faces off against their old nemesis Ba'al and his clones as Landry spars with the NID and Agent Barrett.
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.
The team goes off-world seeking a weapon against the Ori and ends up in serious trouble. Meanwhile, Landry is faced with having to decide whether or not Vala can be trusted to remain at the SGC.
As the Ori gain power with their invasion of Chulak, Vala's daughter Adria ages years in a matter of hours and the secret of her conception is revealed.
The team learns of an ancient weapons system in the village of on an alien planet.
Using an Ancient communication device, Vala contacts the SGC through Daniel and informs them of what's been happening in the Ori's galaxy.
Carter and Mitchell find themselves trapped on another plane, out of phase and invisible to everyone else. While Sam attempts to reverse the procedure, Mitchell goes after an assassin who is wiping out the Sodan.
While a group of foreign delegates are touring the Gamma Site, a swarm of alien bugs linked to the Ori escapes containment...and adapt to become carnivorous.
The SGC learns that the organization of traders and mercenaries known as the Lucian Alliance is distributing a highly-addictive drug and SG-1 goes to investigate. But the situation becomes complicated when the planet's S...
SG-1 and the Prometheus travel to Tegalus to stop the Rand Protectorate from using an Ori-supplied superweapon to destroy their enemies, the Caledonians. But things turn grim when Daniel is captured and the Prometheus is...
Ba'al kidnaps and brainwashes members of the Jaffa High Council in a bid to seize control of the Jaffa. Meanwhile, Mitchell debates whether to reveal the Stargate program to a dying friend who was once in line for his SG...
Alternate realities coming together at Stargate Command create alternate versions of SG-1 and some of their fallen allies.
When SG-1 travels to an Asgard protected planet, Colonel Mitchell is accused of a murder he did not commit...but has memories showing he did.
Members of the SGC start to become infected while Mitchell and Daniel try to capture the Prior.
After an SGC officer returns to Earth after unknowingly being infected with the Ancient Plague, the virus quickly spreads throughout the United States. Not wanting the Ori to gain control of the Milky Way Galaxy, Orlin y...
SG-1 finds a Goa'uld-Human hybrid in stasis in an abandoned Goa'uld lab and take it back to Earth to study, where they learn it was created using Anubis' DNA.
Offworld, SG-1 is attacked by Jaffa of the Sodan, and Mitchell is wounded in a fight with one of them. Thinking that the Jaffa was killed, the other Jaffa take Mitchell back to their village to be trained for a fight to ...
A System Lord is found hiding on Earth, and he threatens to activate a naquadah bomb hidden somewhere in the United States if the SGC tries to go after him.
When the Ori create a force field around a free Jaffa planet, General Landry orders Carter to use a weapon that she designed against the Ori's forces.
SG-1 and Vala go to a planet where she is still worshipped as Qetesh, and in order to prove to the people that the Ori aren't truly gods, she tells them the truth about herself. However, she is then forced to stand trial...
In order to free themselves of the bond created by the Jaffa bracelets, Daniel and Vala must locate and return the items she stole from the bracelets' previous owner.
Stargate Command encounters missionaries for a race of "gods" known as the Ori, who have zero tolerance for disbelievers.
Daniel Jackson and Vala are seemingly transported into the bodies of two people in a distant galaxy on a planet populated by worshippers of a strange authority.
Lt. Colonel Cameron Mitchell comes to the SGC to be the newest member of SG-1, but he soon learns from General Hank Landry, O'Neill's successor, that the team has disbanded. Carter is at Area 51, Daniel is about to go to...
The alternate SG-1 go to Chulak to find Teal'c and Daniel is killed. The alternate Carter, O'Neill, and Teal'c then go back to ancient Egypt to correct the past. They meet the original timeline Daniel who is the only sur...
SG-1 and General O'Neill use the time-puddle jumper to go to Ancient Egypt to recover a ZPM. They successfully steal it but they find Jaffa surrounding the cloaked jumper. The future is altered and SG-1 never existed - D...
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 destru...
Ba'al sends his fleet back to retake the planet Dakara, pitting his ships against Teal'c and the Jaffa. The RepliCarter tries to probe Daniel's mind to find all the Ancients' knowledge, while Jacob and Carter discover th...
The Replicators threaten to overwhelm the galaxy, taking out the Goa'uld and then Earth. While Sam and Thor work to develop a weapon, Teal'c and Bra'tac lead the rebel Jaffa in taking a major temple and Jack and Jacob ar...
Jack is confronted in his home by an irate barber...who claims to know everything about the Stargate project and SG-1.
Robert Kinsey contacts General O'Neill and tells him that the Trust is trying to bring down the U.S. government, and want Kinsey's help. Kinsey and the Trust escape surveillance but when the trail leads to Russia, Daniel...
The planet that Harry Maybourne was relocated to by the Tok'ra is targeted by a System Lord and SG-1 must go to rescue him. They discover that Harry has made himself king using knowledge of the Ancients...knowledge that ...
General Hammond and Daniel go on an expedition on the Prometheus to Atlantis. They encounter an abandoned Goa'uld Al'kesh and decide to salvage it. A Kull warrior rings aboard the ship and rings everyone else onto the Al...
The Replicator Carter that Fifth created contacts the SGC and tells them that she wants to be destroyed. She also tells them that Fifth has made all Replicators immune to the disruptor. But does she have an ulterior moti...
The Trust is behind a plan to steal the Stargate and eliminate the Jaffa and the Goa'uld with the Tok'ra poison.
Teal'c is upset when his son Rya'c plans to marry a Jaffa woman of the Haktyl who he sees as not fit for him. Ishta comes to the SGC after she believes Haktyl has been compromised, and moves her people into the SGC until...
A rich industrialist has evidence to prove that there is alien life on other planets and gives the governments of the world 24 hours to reveal the truth or he's revealing it. The Air Force tries to discredit him. Then Ca...
Teal'c moves into an apartment off-base where he becomes involved in a neighbor's problems. Meanwhile, Carter's boyfriend, Peter Shanahan, proposes and Carter tries to decide. Teal'c is then charged for murder and kidnap...
The SGC experiment with a virtual reality chair from the Gamekeeper's world (season 2), but Teal'c becomes trapped in a virtual loop against an undefeatable batch of Anubis drones.
Daniel attempts to aid a battle-ravaged society when the team's appearance sparks a war.
Five days in the life of SGC as Jack assumes full command of the base and has to deal with a rapidly growing alien plant, the capture of SG-1 by Ba'al, arguing alien delegates, and a tricky traitorous System Lord.
A Russian Air Force Colonel comes to join SGC, as an alien creature shows up at the same time. The creature starts taking over members of the SGC. General O'Neill orders SGC to be locked down until the creature can be co...
As the Replicators overwhelm the new Asgard homeworld, SG-1 works to revive Jack, create an Ancients weapon to stop the invaders, and tries to find the missing Sam, who is held captive by the humanform Replicator Fifth i...
While Sam and Teal'c go to the planet of the former human-form Replicators to contact the Asgard to cure Jack, Daniel and Dr. Weir must deal with Goa'uld System Lords who want the Ancients weapon the Tau'ri used to destr...
Using Jack's Ancient knowledge, SG-1 goes to a planet in search of Ancient weapons but soon learn that the weapons are actually hidden on Earth. Will SG-1 be able to make it back in time before Anubis' attack begins?
The SGC learns that Anubis is planning to attack Earth, so Jack once again downloads Ancient knowledge, hoping to find Ancient weapons capable of stopping the impending attack.
The United States has a new President. Vice President (former Senator) Kinsey tries, once again, to take control of the Stargate Program, by persuading the new President that it is unsafe under Hammond's command.
Sam, Teal'c, and Daniel head to a warehouse where they hope to find a rogue NID operation. Instead, they find a girl held prisoner there and a bigger mystery than they ever expected.
SGC is wracked by tragedy when one of their own is killed in a Goa'uld ambush.
A film crew comes to the SGC to document the normal functions of the SGC.
When Anubis's Super warriors attack the Alpha site, the self destruct is initiated, but not everyone is evacuated safely. Teal'c and Jack scour the surrounding area for Major Carter. Meanwhile, unrest amongst the allies ...
Samantha Carter begins a relationship with a detective, from whom she must hide her life at Stargate Command. Daniel comes face to face with the Goa'uld who has taken his former girlfriend as a host.
The SGC team is reunited with Jonas Quinn, who asks for their assistance as he's discovered a naquadriah chain reaction threatens to destroy Kalowona.
When Carter goes on a mission to retrieve the Prometheus, she awakens to find herself alone on the ship and starts experiencing strange things.
Daniel is taken hostage when he goes to South America in search of an alien device reputed to belong to the System Lord Telchak, and tied to his grandfather. Jack is sent to rescue him, while Carter and Teal'c investigat...
Daniel is taken hostage when he goes to South America in search of an alien device, while Carter and Teal'c investigate the appearance of a powerful new enemy.
SG-1 meets a group of female Jaffa who have rebelled against their System Lord, and due to the Jaffas' short supply of symbiotes, SG-1 offers to give them Tretonin.
Dr. Felger creates a virus that will disable other gates, but after a test run, the virus spreads, disabling the entire gate network.
Carter joins an alien in a space race, but they soon learn that someone is sabotaging the ships.
An abandoned Naquadah mine is found but the Unas on the planet refuse to surrender it because they consider it holy ground.
Daniel is possessed by the personalities of dozens of different individuals after boarding a ship holding bodies in suspended animation.
On a toxic planet, SG-1 finds a dome that protects its inhabitants, which are all linked to a computer, and one by one people begin disappearing without anyone else noticing.
A Jaffa-centric episode, and it's not a good day for the ones who like the Tauri. Teal'c's son Rya'c and Bra'tac are prisoners at a Jaffa death camp. SG-1, however, will not let their friends meet a lethal end and are de...
SG-1 discovers that Jack has apparently regressed to the age of a teenager, and there is some mysterious connection to alien abductees and the Asgard.
SG-1 searches a planet for the City of the Lost only to find Daniel, alive but without memory of his former life.
SG-1 must defend Abydos from Anubis, who has come to take the Eye of Ra, an object of fabled power.
On P4S-237, Jonas begins having visions of the future and Lord Mot destroying SG-1.
During a test flight of the Prometheus, the hyperdrive overloads, forcing SG-1 to go to a nearby planet to hopefully locate a Stargate. The only problem is that the gate has been buried in an unknown location.
Teal'c begins having dreams in which he and the rest of SG-1 are firemen, and he can't decide which reality is real.
Offworld, SG-1 discovers a crashed prison-transport ship, and find themselves caught between the guards and the prisoners.
The existence of the Stargate is disclosed to other major countries.
SG-1 discovers that Nirrti has continued her experiments to create a hok'taur (perfect human).
Maybourne offers to reveal the location of an offworld weapon but only if he's allowed to go. Once there, Maybourne tricks SG-1 and, along with Jack, is teleported to what he thinks is "utopia." However, the civilization...
Jack becomes the lead suspect in an assassination attempt on Senator Kinsey, and the rest of the team works to clear him.
After SG-1 returns to Earth with an Ancient device, incorporeal bug like creatures begin appearing in the SGC.
Using the Prometheus, SG-1 heads to a Replicator-controlled planet, where time moves faster due to Asgard technology. They hope to reverse the machine to freeze the Replicators in time.
During a tour of the new X-303 (codenamed Prometheus), the ship is taken over by rogue NID agents.
SG-1 is offered a deal for a miracle medicine from an alien world.
There is an assassin at the SGC's Alpha site, but is it a Jaffa or a Tok'ra?
While escorting physicists off-world, SG1 is taken captive by a Goa'uld hoping to curry favor with Anubis. A pair of escaped physicists who revere SG1 must rescue them.
Jonas Quinn's mentor visits him to tell that their people are about to use a deadly bomb in their nation war.
Jack is captured by a Goa'uld named Ba'al after a mission led by his symbiote goes wrong. His only chance of redemption lies in the hands of Daniel.
Carter, Teal'c and Jonas investigate the death of a scientist with connections to the Goa'uld, and find a small town whose inhabitants are part of a secret experiment.
The SGC's study of the Antarctic Gate site reveals a woman buried in the ice.
SG-1 is on a salvage mission for a Goa'uld mothership left behind by Anubis.
Wanting proof that the Goa'uld are not gods and can be stopped, Rya'c insists that Teal'c allow him to join in battle, so he can see for himself what the war is all about. Together with Bra'tac, they deduce the planet An...
The SGC has come under attack from Anubis, who has a device that can use one Stargate to destroy another. With a wormhole dialed in to Earth's stargate, the SGC can not contact its off-world allies for help. Carter works...
SG1 returns from a planet with Daniel apparently dying from radiation poisoning.
SG-1 finds a world under siege by Lord Svarog's forces because the "Shades of Grey" NID team disabled the planet's defenses. SG-1 must work with the captured team members to restore them.
SG-1 explores a planet and finds an inactive android, which when activated thinks it is a normal human girl.
A charismatic new Jaffa leader seeks an alliance with the SGC and Earth.
Earth finds itself threatened when SG Command learns that an asteroid is on a collision course with the planet.
Osiris is actually an emissary of Anubis and she petitions the System Lords to re-admit him. Meanwhile, Daniel in the guise of Lord Yu's servant tries to save Sarah while Jacob waits cloaked nearby.
When the System Lords call a summit to deal with a new threat against them, the Tok'ra and Daniel infiltrate the conference and plan to use a poison to wipe them out, but matters get complicated when Osiris, still in the...
A Stargate mishap leaves Teal'c trapped inside the Stargate network, forcing the SGC to turn to the Russians for help.
Martin from "Point of No Return" sells a television script to Hollywood about the SGC, and O'Neill tries to stop the filming.
When Carter goes missing, O'Neill teams up with Col. Maybourne again to free her from NID.
On a agrarian planet, SG-1 meets the Ashen Confederacy, who propose a trade accord with Earth.
SG-1 teams up with the Russians to find one of the latter's missing teams, which were lost in a burial pyramid on an alien planet.
When Daniel's friend Chaka is abducted by slave traders, SG-1 goes through the stargate to rescue him. However when the opportunity to free him comes, Chaka refuses to leave, and Daniel discovers Chaka has become the lea...
Cassandra develops telekinetic powers which threatens to kill her. While seeking a cure, Dr. Fraiser uncovers a dark secret on Cassie's home planet.
After a particularly rough ride through the Stargate, SG-1 arrives on a planet with a Norwegian-like society. As they meet the villagers, the sky and the sun suddenly change to an orange-red color, rendering the whole pl...
O'Neill is stranded behind enemy lines fighting an unknown Goa'uld army. Teal'c, Carter, and Daniel return to the SGC but are faced with difficult questions from General Hammond when they report that a mysterious fifth m...
Carter finds romance from an alien who secretly followed her back from his planet.
Bra'tac must perform a Jaffa ritual bringing Teal'c to the brink of death to restore his true self.
SG-1 and Jacob Carter are trapped in another galaxy with Apophis, while Teal'c is brainwashed into believing that his defection from Apophis was all a ruse.
The SGC are loaning their Goa'uld Mothership to their good friends and allies, the Tok'ra, so they will be able to move to a planet that is not on the gate system. However, Tanith is caught out and tells Apophis where th...
SG-1 returns to a planet they helped free from Goa'uld enslavement. Once, with the assistance of SG-1, the people of this world were able to rebel against the forces of Heru'ur and win their freedom. Now, they face a ven...
The SGC is infected by an alien probe that downloads itself into the base computers, accessing sensitive data on the SGC and its personnel.
During a visit to the Air Force Academy, Carter makes the acquaintance of Jennifer Hailey, a promising young cadet with a rebellious streak. Carter sees great potential in her, but Jennifer seems determined to sabotage h...
A member of another SG team, returning from an alien planet, commits suicide. The rest of his team begins to go into comas, and Daniel, who also visited the planet, attempts suicide. When SG-1 goes to the planet, they di...
Daniel recovers Apophis's son, the Harcesis. He has the memories of all the Goa'uld, which SG Command wants to obtain so that they can defeat their enemies. Daniel is given all the knowledge, but soon begins to use it in...
Nine years in the future, the Goa'uld have been defeated thanks to an alliance with an advanced alien race. Transportation technology and off-world Stargate travel is now commonplace. However, Carter finds out that most ...
When General Hammond announces he is stepping down as head of the SGC, O'Neill suspects that there is more to his decision than he is letting on. And, as it turns out, O'Neill is right as he discovers that the NID was be...
While visiting Chulak to gather support for a Jaffa rebellion, Teal'c is captured by the Goa'uld. The rest of SG-1, unaware of his fate, are dispatched to thwart a burgeoning alliance between Apophis and Heru-ur. But whe...
When Daniel Jackson's old archeology professor, Dr. Jordan, dies in a mysterious lab explosion, Daniel pays a return visit to his old academic stomping grounds. But as he reacquaints himself with his former colleagues, h...
A test of the X-301, an experimental aircraft adapted from two Goa'uld death gliders, goes awry sending O'Neill and Teal'c hurtling out of Earth's orbit. As the X-301 streaks through space at a million miles an hour, the...
Martin Lloyd, a conspiracy nutjob, calls up the SGC but has accurate knowledge of the Stargate. Martin claims to own a spaceship and is dismissed as a crackpot, but a series of incidents suggests that there may be more t...
SG-1 are brainwashed and given memories of new lives and put to work as mining slaves on an alien world. While Hammond tries to find out if they're still alive, the SG-1 must struggle with their returning memories and pl...
SG-1 helps transfer the residents of a Goa'uld slave planet to a new world, but soon find the planet is the target of a terraforming effort that will wipe out its new inhabitants.
An archaeological team makes an amazing discovery - a planet holding primordial Goa'uld symbiotes. But the planet also is home to the Unas, the first race that acted as a host to the symbiote, and the team and SG-1 are s...
The Russians ask for assistance when they reveal they have the second Stargate, but it has become locked onto an alien water planet, not only preventing the SGC's Gate from functioning but endangering the Russian base.
When an alien scientist activates an Ancient device that the Ancients created for time alterations, Jack and Teal'c get caught in a time loop.
During a meeting of the Tok'ra High Council, one of the SGC soldiers goes berserk and attacks them before taking his own life. It soon becomes clear that the Goa'uld have a new weapon - a mind control technique that can ...
Teal'c's former love Shan'auc travels to Earth to ask for assistance - she has a way to tap into the memories of her symbiote and convince it that the Goa'uld are evil.
The Tok'ra ask the SG-1 to test some mysterious alien armbands, and they prove to confer vast super strength and speed on its wearers. SG-1 put their new-found "powers" to good use, but it soon becomes clear the armbands...
An alien race, the Eurondans, contact the SGC and ask for help. SG-1 delivers humanitarian aid to the aliens, who have been devastated by war by a hostile power, but must make a decision when Alar, the Eurondan's represe...
While Carter helps the Asgard fight the replicators galaxies away, Teal'c, Daniel, and O'Neill must contain them on Earth.
The episode opens with Daniel Jackson confined to the infirmary recovering from an appendectomy. The rest of team is told to take a vacation. O'Neill wants to go fishing and Carter wants to stay on base to work on a proj...
While visiting a new world, the team discovers a huge pyramid, empty but for a central platform above a vast abyss, accessible by a single walkway. Upon the platform is a skull fashioned from pink crystal, that Daniel ca...
SG-1 discovers a planet on which two locals just discovered the Stargate that had been buried for thousands of years. When the team goes through the gate, they meet one of the discoverers, Nyan, an archeologist that was ...
When the Tollan refuse to share technology, even after SG-1 saved the planet from a Goa'uld attack, Jack gets angry and steals a device from them. Jack does not see how that was wrong, and can choose between court martia...
During an expedition to a civilized planet, the stargate of that world is hit by a meteor, trapping O'Neil on that world without any apparent hope of rescue. While he slowly gives up his old life and joins in with the re...
SG-1 travels to a paradisical-appearing planet... only to step immediately back out of the Stargate with no memory of their trip. They soon find themselves engaging in odd behavior, and find out that a computer chip has ...
An unknown user attempts to come through the gate. It is Narim, the Tollan, who first sends Schrodinger, Sam's gift to him, to identify himself. He follows, using Tollan technology to pass through the iris. He tells SG-1...
SG-1 returns from a mission, and needs to report to the infirmary to see if they brought back any illnesses. Meanwhile they hear there's been a chemical spill somewhere in the complex. Once in the infirmary, every team m...
The Tok'ra find out Sokar is going to take his ship in orbit around Netu, and come up with a plan to kill him: since they don't have any weapon capable of penetrating Sokar's shields, they are going to launch some kind o...
The Tok'ra come to Earth and tell Sam that her dad has been captured and is being held prisoner by Sokar on a planet Earth people would describe as hell. The team decides to go rescue him and takes a cargo ship to the pl...
SG-1 travels to a planet whose inhabitants seem to be suffering from mass retrograde amnesia. They have no memory of their lives before the unknown event they call the "Vorlix", and report that their elders and children ...
In the middle of a battlefield Daniel and Amonet meet in a tent. Amonet uses her hand device on Daniel, and he passes out. When he awakes Amonet (and Sha're) are dead, their body's stored in the mortuary. Daniel is reall...
Upon exiting the Stargate, SG-1 finds itself in the midst of battle. A group of SG soldiers battle a Jaffa army. Believing the soldiers to be the missing-in-action SG-11 team, O'Neill and the others provide assistance. M...
SG-1 arrives at a medieval village and frees Mary, a young woman who has been left outside tied to a stake. Simon, friar of the village and Mary's friend, explains that Mary is a sacrifice for the demon that plagues thei...
SG-1 travels to planet PJ6-877 for a routine exploration. Almost immediately after arriving, they are captured in an invisible force-field by alien bounty hunter Aris Boch. Aris takes them to his cargo ship, which is com...
Alternate reality versions of Carter and Kawalsky use the quantum mirror to arrive at a secured building in the top secret Area 51 in "our" universe. In their reality Jack was married to Dr. Carter before his death at th...
In the pursuit of knowledge, Jack O'Neill, Teal'c, and Daniel Jackson travel to the planet Orban as part of an exchange program. Daniel and Teal'c remain on the planet -- Daniel to study an ancient mosaic pattern on the ...
Daniel starts going crazy after SG-1 visits a planet where SG-1 found nine dead Goa'uld. The doctors believe he is suffering from the effects of traveling through the gate.
During an awards ceremony where Carter is awarded a promotion to Major, O'Neill is transported to a space ship orbiting Earth. Here he meets a non-humanoid alien who calls himself Thor. Thor tells O'Neill that the Goa'ul...
The Tok'ra believe that the ancient Goa'uld System Lord, , is hiding on Earth posing as a religious leader. SG-1 and the Tok'ra Selmak must find him without falling victim to his brainwashing powers.
General Hammond leads a daring rescue attempt with the help of Teal'c to retrieve SG-1. Meanwhile, on board the Goa'uld ship, one of the members of the team gets a present from Hathor... is it too late to save Colonel O'...
Awakening from cryogenic suspension, O'Neill finds himself in a futuristic version of the SGC. Doctors hook O'Neill to a device which turns his memories into holograms and then question him for information about races ab...
SG-1 departs on a mission only to find themselves in the missile silo where SGC Command was built upon, 30 years ago. Due to solar flare emissions warping the Stargate wormhole, they've traveled back in time. Captured by...
A young boy gains entry to the SGC and tells the SG-1 team he has come with his mother, a member of the invisible Reetou race. The boy announces that the Goa'uld destroyed his planet Reetalia and now Reetou rebels intend...
During a routine reconnaissance mission, the UAV plane crashes into a cactus-like plant. Sent to recover the plane, SG-1 discovers that the inhabitants have begun falling ill, and before long a plague of illness sweeps t...
Pursued by Goa'uld, Apophis, throws himself on the mercy of SG-1. Despite his past evil, SG-1 grants him sanctuary. Apophis, who shows signs of having been tortured, is slowly dying and reveals that he is being pursued b...
When the SG-1 team stumbles upon the chamber of former Goa'uld enemy Ma'chello, they fall victim to his powerful body-swapping invention. Ma'chello takes on Daniel's body and the young archeologist finds himself trapped ...
SG-10 is on a planet when its sun becomes a black hole, and the Stargate link back to Earth threatens to destroy first Stargate Command and then the entire planet.
While on the planet P3R-272, SG-1 comes across an ancient device that downloads a vast amount of knowledge into Jack's brain. Jack has the task of helping Daniel solve ancient mysteries while trying to save himself from ...
SG-1's mission is to return to PX7-941, or Madrona as the inhabitants call it, to study the effects of, and technology behind the "" device. However, SG-1 is accused of stealing this artifact by the Madronans. They claim...
SG-11 has not returned from its mission to Planet PXY 887, where they recently discovered an element, Trinium. After O'Neill becomes injured, Carter leads SG-1 through the Stargate to investigate and to negotiate a minin...
The Tok'ra turns down a request for an alliance against the Goa'uld because Earth doesn't offer enough rewards to justify the security breach. Selmak, a Tok'ra whose host is dying, requests a human host. Carter suggests ...
Through a dream, Captain Carter sees herself as Jolinar of Malkshur, running through a maze of blue walls and brightly coloured people. She stops at a DHD to dial an address. This, so she claims, is the Tok'ra base. So, ...
While exploring planet BP6-3Q1, Teal'c is stung by a strange insect which causes him to become ill and almost die.
Jackson and Teal'c travel back to Abydos to fulfill a promise he made to Shau're's father Kasuf. When they arrive, Daniel learns that his wife, whom he hasn't seen since she was taken by the Goa'uld, is nine months pregn...
Teal'c's mentor Bra'tac arrives unexpectedly through the Stargate with shocking news: the Goa'uld Apophis survived the destruction of his ship and has now kidnapped Teal'c's son, Rya'c. O'Neill and the rest of the SG-1 t...
While exploring a new planet, SG-1 find an orb that sends out electromagnetic signals. Thinking it's a time capsule of some sort, they return to Earth to begin their tests, however, the object begins to heat up among oth...
SG-1 must return to Cimmeria in order to help fight off a Goa'uld invasion while searching for a mysterious hall put there by the Asgard Thor.
When Daniel is being manipulated by an alien princess, SG-1 is forced to labor in the mines.
SG-1 travel to P7J-989, where they discover a beautiful garden and a dome full of strange metallic chambers, each containing an unconscious person. As the team inspects the chambers, they are trapped and knocked unconsci...
After assisting a man that is a fleeing murderer, the team is sent through a Stargate to Hadante, a penal world where brute strength and raw power rule.
While on an off-world rescue mission, Sam becomes possessed by a Goa'uld symbiote.
With SG-1 trapped on Klorel's ship. It seems that Earth is doomed as the Pyramid Ships prepare to destroy Earth.
Having escaped marauding Goa'ulds in another Earth reality, Daniel Jackson warns that it is only a matter of time before they launch an attack in this one. But, the Stargate program faces a more immediate threat - - this...
While investigating P3R-233, Daniel stumbles across a device that projects him into a parallel dimension. In this universe, Carter and O'Neill are engaged, and Teal'c is still First Prime of Apophis. Using the knowledge ...
SG-1 arrives on P3X-989 and is knocked unconscious - they wake up and return to Earth only to find that they are robots.
During a Stargate malfunction, Jack and Sam are redirected to an icy planet where they face a frozen death unless Stargate Command can determine their location.
SG-1 rescues a group of survivors from a dying planet, but finds that it must deal with its own people when military intelligence wants access to their advanced technology.
Teal'c is put on trial by the inhabitants of a planet where he and the Goa'uld collected humans from the planet. If he is found guilty, he will be executed.
SG-1 rescues a little girl, Cassandra, but it soon turns out she is a pawn in a scheme to destroy Earth's Stargate.
The ancient Egyptian goddess and Goa'uld, , is awakened and immediately takes over SGC and all of its men.
After an expedition to the planet Oannes, Jack, Teal'c and Sam return...to reveal that Daniel died on the mission.
Teal'c reveals that he has a son who is due to receive a Goa'uld larva, and asks the team to help him save his child.
Daniel discovers that there was a previous Stargate explorer - Dr. Ernest Littlefield, who went through the Gate in 1945. But he never returned, so SG-1 sets out to recover him.
Traveling to a planet quarantined by the Goa'uld, Jack and Teal'c are trapped in an underground labyrinth.
After being greeted with open arms by the people of Argos, SG-1 discovers that not only do the Argosians suffer from rapid aging, but O'Neill has been somehow infected and will die in a few short days if they don't find ...
SG-1 travels to a planet with a creature that possesses the power of invisibility, but run afoul of Apophis and meet the mysterious Nox.
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 Jack's place.
SG-1 goes in search of the missing SG-9, but discovers that its leader has set himself up as a god on a planet of primitives.
SG-1 investigates a planet divided into a light and dark side, and ends up bringing back a plague that threatens to decimate SGC.
SG-1 visits a planet settled by the ancient Mongols, where women are treated as second-class citizens.
While the U.S. government determines the fate of Teal'c, SGC must deal with one of its own that has been taken over by a Goa'uld.
Colonel O'Neill, leading the new SG-1, tracks Apophis back to the planet Chulak to rescue Sha're and Skaara, and befriends one of Apophis' Jaffa guards.
The System Lord Apophis launches an attack through the Stargate, tucked away by the military after the events of the movie, and the SGC program is reactivated and given a new objective - seek out and find the alien invad...
