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When the Asgard decide to share all their knowledge and technology with Earth, they do so by incorporating that knowledge and technology into the Odyssey. However, the incorporated Asgard systems become a tracking beacon for the Ori and every time the Odyssey drops out of hyperspace it is attacked by the Ori.

Finally, after numerous attacks, when just about to be destroyed, Carter uses the Asgard time dilation technology to slow down time in hopes of finding enough time to plan an escape from their certain destruction.

However, can Carter figure out the impossible escape? And just how long will it take?

Vala is forced to leave SG-1 when her prophetic dreams of the location of Merlin's treasure lead SG teams into a trap. Adria finds her mother and wants the now independent Vala to take her to the treasure. However, SG-1 and Baal have plans of their own.

To Vala’s dismay, her father Jacek contacts Stargate Command claiming to have knowledge of Arkad’s ships that were enroute to bomb Earth when he was killed by Teal’c. With it likely the mercenaries still believing they are to follow through with their bombings, SG Command is forced to agree to deal with Jacek. Regardless of Vala’s warnings about Jacek’s devious and scamming nature, General Landry has no option but to grant him sanctuary on Earth after his information proves to be true.

Jacek, trying to assimilate into Earth’s population, shows no inclination of giving up his scamming ways. While SG struggles to figure out what to do with him, Vala continually rebukes every attempt her father makes at reconciliation with his estranged daughter. Wearing down SG’s patience, and Vala’s resolve, they discover Jacek trying to break his home arrest and catch him consorting with one of Arkad’s Jaffa splinter cells stationed on Earth. Claiming he was just trying to stop another of Arkad’s ships destined to destroy Cheyenne Mountain and the Stargate, the team must put again put their trust in Jacek to help them locate the cloaked ship and disable it before it can explode.

When a terrorist attacks a Jaffa summit, Teal'c strikes out on a quest for revenge

When the team arrive at an alien museum and are mistaken for rebels, they are forced to stage a bogus hostage situation to buy enough time to escape from the museum and the army gathering outside. However, an overeager security guard takes matters into his own hands, complicating matters.

After the SG-1 team destroys a Lucian Alliance cargo ship filled with illicit drugs, a bounty is placed on capturing the entire team, which in turn sets several alien bounty hunters against each other to claim the reward.

Mitchell reluctantly agrees to take Vala to his upcoming High School reunion, where is causes quite a stir.

SG-1 encounters a planet that a Prior has visited yet did not make any threats to the village in the event they do not bow down to the Ori. The team discovers this Prior is their own Daniel Jackson.

While working on Merlin's phasing device and using a protective force shield, Sam is shunted into a parallel dimension where her counterpart, Major Sam Carter, was trying to tap into alternate dimensions for energy. Trapped in a world where Major Lorne commands SG-1, General Hammond runs SGC, Hank Landry is President, and Rodney McKay is her ex-husband, Sam must work with them to protect Earth from the Ori. However, once she succeeds she finds they're not willing to let her go home.

SG-1 are ordered to hide the population of a planet in another dimension to protect them from the Ori, using Merlin's Ancient device. However, when the device fails the Ori capture the villagers, Vala is reunited with her husband Tomin, Teal'c risks betrayal by the locals, and Mitchell and a critically-injured Sam manage to hide one building. But time is running out for them all...

In the search for the Sangraal, SG-1 comes across Merlin himself frozen in hibernation. With Adria and the Ori tracking them down, SG-1 must help Merlin complete the weapon before it's too late.

Daniel, with some insight from a dream Vala has had, determines the possible planet which might be the location of the Sangraal; the anti-Ori weapon. The search, however, turns into a maze of a journey where they must follow the prophesied path, as others try to beat them to their goal. Those dogging their path are both Baal and Adria, separately. Can the team survive the numerous traps set long ago by Merlin, the treachery of Baal and his troops, and the cunning guile of Adria to find the Sangraal in order to save humanity?

The Earth ship Odyssey, with Carter aboard, gets tricked into a trap near a neutron star, only to find itself in a mine field when they try to escape several attacking Goa’uld Mother-ships. This leads to Vala and Jackson being kidnapped when the rest of the team goes in search of the Odyssey. It turns out a breakaway faction of the Lucian Alliance, lead by the leader, Anateo, is responsible. Anateo is attempting to capture the entire team, and then turn them and the ship over to Lucian people in a bid to take over control of the Alliance from the its leader, Netan.

While the captured crew makes plans to take back over the Odyssey, Mitchell goes undercover as a cold blooded killer, in order to find out what Netan might know.

Vala’s past comes back to haunt her, as a Goa’uld named Athena, a past enemy, and then a reluctant ally of Vala’s past Goa’uld host, captures her to try to recover information that she may have retained from her past host, about a treasure map that could lead to great riches. When an SG team locates and attempts a rescue Vala, an arrant Zat shot causes Vala to lose all her past memories. Vala, now not knowing who anyone is, escapes during the chaos caused by the rescue, and moments later the site she was held at explodes, leaving many to believe she is now dead.

As Vala roams the streets not knowing who she is, Daniel continues to believe she has survived, and pushes the hunt to find her. However, Athena, also believing Vala is alive, also continues her hunt to find Vala. The question is who will find Vala first?

The new leadership among the Jaffa decides to use the powerful weapon on Dakara to wipe out entire planetary life on other worlds in order to capture and build a fleet of Ori ships of their own. However, they have chosen a planet where the Ori / Vala offspring and SG-1 are on. Which will prove to be the more lethal, the Jaffa in their quest for Ori ships, or Vala’s offspring, who is determined to find and stop the Jaffa’s weapon?

SG-1 gets pulled back into Martin Lloyd’s world when he convinces the powers that be to let him talk to the team, as he is about to revive the Wormhole X-treme TV series as a big screen movie. He needs help with ideas from SG-1 to try to make the movie “real.” The team fights this, but Gen. Landry orders them to help, but says he will get them out of the meeting as soon as possible. However, when the General drags them out of the meeting, the gate activation breaks down, leaving them stranded with time to try to help Martin out with his project, to their dismay.

As Col. Mitchell arrives at Gen. Landry’s retreat, where the rest of the team are to bond with the General, the others are diverted to fight an invisible man-eating creature on another planet, and to determine if it is connected to the Ori.

As Mitchell and Landry try to co-exist alone together, a storm washes out the only accessible roadway to their cabin. They soon find they must also fight off the same type of invisible man-eating creature that SG-1 has been checking on off-world.

The villain Ba'al makes a surprise offer to Stargate Command; he will help them locate the Ancient’s super weapon, if they deal with his now troublesome clones. Although highly skeptical, they proceed to gather the clones up. Each clone, however, claims to be the real Baal.

Once the clones are securely locked away in Stargate Command, Ba'al makes his move. There is something that he desperately needs, the access codes to the SGC’s most sensitive files. Plus, Ba'al may have found an insider who can help him find the desired information.

SG-1 travels on the Earth ship Odyssey to Atlantis to both try to dial in the “super gate” nearby, and to let Daniel continue his search for the anti-Ori weapon while staying at Atlantis.

Things get tense as an Ori ship approaches Teal’c’s position at the super gate, just as a Wraith hive ship approaches the Odyssey’s position in the Pegasus galaxy, where they are trying to activate a gate connection to the super gate back in the Milky Way.

Daniel discovers a gate address that might lead them to the weapon they must find to fight against the Ori. They travel to the planet in question, but find all the people in the village have died in their sleep a long time ago. Plus, it seems all the animal life around the village has died too. Soon the team realizes that they are being affected by the same disease which killed the population of the planet. They must stay wait at all costs, until they can fid a cure

Meanwhile, Vala stays behind at Stargate Command in order to take a psyche test. If she passes, she can join SG-1 on its off world missions. However, things go badly, as she tries to game the test by studying how to respond to the potential questions she might be asked.

Agent Richard Woolsey offers Vala a solution to her dilemma, but can she accept doing what he asks in return?

Daniel and Vala must deal with the new born child (Vala's), who is aging rapidly to lead the Ori's Crusade.

SG-1 travels to planet with the gate address found in the episode “Arthur’s Mantle” to find the Anti-Ori weapon. There they discover a pre-industrial village. In the Camelot town square, as the town is known by on the planet, they find a sword in a stone. Upon talking to the villagers, they learn that Merlin had a library or sanctuary in the town, too. The problem is the curse on the library. Anyone entering the library winds up dead at the hands of the Black Knight defense mechanism. Mitchell will have to fight another Knight in order for them to gain entrance.

The search for the weapon is interrupted by news that a new Ori super gate has been detected. The teams split in to two’s with Jackson and Mitchell returning to search for the weapon, and Carter and Teal’c joining the Odyssey, which is on its way with all the ships that can be mustered, to try to destroy it.

Can the super gate be destroyed in time? If not, can Merlin’s weapon be found in time, if the Ori do make it through the super gate before it is destroyed?

Vala returns to the SGC using the same body shifting device seen in "Avalon (2)." In a shift, she returns in the body of Daniel Jackson. She says she has important information to convey to the SGC. However, she digresses into a long diatribe about her time on her distant planet and its people’s struggle there with the Ori, and she finally describes the new great threat to Earth. Also, Vala tells them of an underground resistances group on this planet that opposes the Ori.

Carter tries to figure out what a strange device found in Merlin’s cave does, after Dr. Lee failed to figure it out after six months. Carter finds something interesting, which unfortunately causes her and Mitchell to be transported to an alternate dimension. They can see and hear those around them, but no one can hear or see the two.

Teal’c, meanwhile, goes with SG-12 on a mission to check on the Sodan, after a distress message is received. Once there, they find Volnek has been affected by a Prior and is now killing everyone in his group in a crazed frenzy and madness, after actually having died.

The two story lines converge when Mitchell decides to go in his “out of sync” state with a second SG team set to rescue Teal’c and SG-12.

Representatives from various countries who want to know more about the Stargate and the SGC are taken on a visit to the Gamma site. Unfortunately, at the same time the Gamma site scientists are investigating strange bugs from another planet, believed to be part of an Ori plan to scare worlds into worshiping them. The scientific study leads to the imperilment of the representatives and the Gamma site, as the bugs get out of control. SG-1, having been especially assigned to protect the representatives, must find a way to get them safely back to Earth, before they are consumed by the now carnivorous Ori bugs.

When an SG team returns with a corn-like food stalk that has addictive, and mind altering effects, SG-1 is sent to investigate. They head to the planet where the corn-like food, known as kassa, is grown, but their investigation provokes an angry response from the Lucian Alliance that controls the food. While under fire from the alliance, and as they are attempting to dial home, the Stargate and DHD suddenly disappear, leaving SG-1 trapped.

After SG-1 is later rescued from the alliance by Earth’s newest ship, the Odyssey, SG-1 tries to find out who stole the gate. Gen. Landry decides to seek help from the Goa’uld Nerus. Nerus eventually breaks down, after some creative torture techniques by Gen. Landry, and tells them who stole the gate on the alliance’s planet and several other gates as well.

The answer shocks the team, and poses many additional impossible challenges to getting the gates back, but reinforces the need that they do, for the sake of Earth’s future existence.

The SGC learns that the Caledonian’s arch enemy, the Rand government, has been visited by a Prior, who has offered them great weapons to defeat the non-believing Caledonians. The main weapon is a satellite platform which can destroy all of the Caledonians. The Prior is slowly giving the Rand government instructions on how to construct the satellite platform. There may still be time to destroy the weapon, as SG-1 sees that such a weapon could eventually be used against other non-believing worlds, too.

SG-1 decides to take the Prometheus with them in an attempt to destroy the weapon, before its completion. Daniel travels through the gate to try to convince the planets leaders the evil of the Ori. However, Daniel is thrown jail as an enemy of the State, and the Prometheus receives a deadly surprise, once it arrives.

Ba'al brainwashes members of the Jaffa High Council to thwart their move toward democracy. Cameron Mitchell faces a tough decision when he learns that an old friend is about to die.

The SGC receives an IDC from SG-1, but it’s before they are suppose to be back. The team arrives, and then another duplicate SG-1 team arrives, this time, on time. Then several more duplicate SG-1 teams arrives. Carter believes the duplicate teams are from parallel universes. However, one of the duplicate teams seems to have an ulterior motive and a plan. A plan that puts the real SG-1 team in eminent danger.

While visiting a planet inhabited by a potential ally, Mitchell wakens to find he is been accused of murder. Worse, he has awoken in the dead woman’s abode. Mitchell also has memories of killing the woman, too. SG-1 believes the memories are false, and have been implanted by an experimental device created by the scientists there.

Not only do they need to prove the memories were implanted, but also who did it and who killed the woman Mitchell is accused of murdering.

Earth now faces a world wide Pandemic caused by the Ori. However, Orlin’s return to help Sam, and Earth, brings great relief, at least until they learn the downside to Orlin. Part of the SG-1 team is tasked to get the blood of the Prior that caused the infection, in hope it may lead to a cure to the plague.

Stargate Command’s work is hindered by several of Earth’s representatives assigning blame to the SGC for the plague; and then there's Gerak’s previous conversion to a Prior, and his using his voice among the wavering Jaffa.

Gerak proposes to the high council that the Religion of the Ori should be adopted by all Jaffa. Meanwhile, as Carter and Dr. Lee search for sound frequencies to make the Priors unable to access the highly evolved parts of their brains, a Prior disease threatens to contaminate the whole country.

A strange lab is found by SG-1 that was possibly used by Anubis. This lab contains an advanced human in cryo stasis. When taking him back to the SGC, the team and the rest of Stargate Command have to decide what to do with him.

When Teal’c leads the team to find a secretive Jaffe sect known as the Sodan warriors, they are attacked and get split up. Mitchell is attacked by one of the Sodan warriors, but is able to mortally wound him, however, being hurt, then loses consciousness.

He is then taken by the Sodan to be revived and fight in a battle to the death against another Sodan warrior, to revenge the death of one of their brethren.

A lone Jaffa is found dead after a hit and run on Earth, and trying to find out why he was here, Teal'c heads to Dakara to question Gerak. They find out that Ba'al is inf act on Earth in hiding. Now the SGC has to deal with finding Baal on Earth and trying to stop Gerak's Jaffa from running around Earth looking for him while running the risk of exposing the Stargate program, as well.

While trying to stop the Ori from getting a foothold in our galaxy, SG-1 loses a friend but gains an old one back.

Vala learns that one of the planets she ruled as a Goa'uld has been visited by an Ori Prior and convinces SG-1 to try and go there to convince the inhabitants to refuse the Prior's offer. As usual, all is not as it seems with Vala's being there until the Prior visits again and unleashes a deadly plague.

Vala and Daniel, still feeling the effects of the bracelets even after they have been taken off, cannot stray too far away from each other. Vala tells them that they have to go find the scientist that she stole the bracelets from to find out how to reverse the effects. This turns into a trek around the galaxy, trying to find the solution.

Daniel comes face to face with the Ori, the beings posing as gods in this new galaxy and unknowingly reveals the existence of life in our own galaxy to them.

Back at the SGC, the bodies of Daniel and Vala are still unconscious, but Dr. Lam reports that they are back to being stable again for now. General Landry meets with Gerak, who is now basically the leader of the Jaffa nation, to start work on an official treaty. This is interupted, however, by Mitchell and SG-12 bringing back a prior through the gate.

Daniel and Vala manage to get back into their own bodies in the SGC for a short period, just in time to tell everyone about the Ori threat that is now heading towards our galaxy, but are then sucked back into the Ori galaxy.

After hearing about the Ori threat, Mitchell confronts the Prior, who sends them a message about the power of his faith. After this, Daniel and Vala get taken by the villagers. Seeing that their heart rates are rising rapidly again, Mitchell must quickly find a way to get them back into their own bodies.

Using an Ancient communication device, Daniel and Vala are transported into the bodies of two villagers in a distant galaxy. Once there though, Daniel and Vala find that there are beings posing as gods which are much worse than the Goa'uld ever were.

Meanwhile on Dakara things are not going well for the new Jaffa nation. A lot of the Jaffa cannot understand why Teal'c is still spending so much time with the Tau'ri even though he says that finding out about the Ancients will be a great help to the Jaffa.

Back in the other galaxy, Daniel and Vala run into some trouble which leads to a big problem for Vala.

All of the original members of SG-1 have now left the SGC, and Lt. Col. Cameron Mitchell has now been given command of an empty SG-1, as a reward for the work he did in the battle over Antarctica (Episode 7x22). Mitchell tries in vain to get the original members of SG-1 back together, but none of the team seems to want to. That is until Vala Mal Doran, an old "friend" of Daniel's, comes through the gate with an interesting proposition.

This leads the slightly smaller original SG-1 team, with Mitchell, in a new direction, away from the Goa'uld, and in search of more knowledge of the Ancients.

A plan is formulated to correct the timeline by Carter, O' Neill, Teal'c and an alternate Daniel Jackson.

The future is altered by SG-1 when they travel back to Ancient Egypt to recover a ZPM.

Finding himself located in a mysterious diner, Daniel learns he is trapped between being ascended and dying. Meanwhile, Anubis is planning galactic destruction, as Sam and Jack consider their personal lives.

The Replicators overrun the Stargate Command, and Teal'c and the Jaffa must fight against Baal. Daniel gets his mind probed by the RepliCarter, and Carter and her father Jacob search frantically for the Ancient Weapon on Dakara.

As the Replicators threaten to take over the entire galaxy, Carter and Thor work on a new weapon, while an alliance is made with the Goa'uld System Lord Ba'al.

After breaking into Jack's house and holding Jack at gunpoint, a barber describes how he has been seeing SG-1's missions over the last 8 years, through the accidental use of an ancient communication device. 

The Russians think the US government has been infiltrated by the Goa'uld.The Trust are trying to provoke Russia and the US into a nuclear war destroying themselves. Will SG-1 be able to find out what is going on before it's too late?

The SGC learns that some of the Goa’uld fleeing from Ba’al’s fleet may be headed to the planet the Tok’ra relocated Col. Maybourne to. Against his better judgment, O’Neill sends SG-1 to retrieve Maybourne before he is captured.

However, SG-1 finds that Maybourne has become the planet’s leader, and is even somehow able to foresee the future. He has even foreseen that SG-1 will defeat the Goa’uld’s attempt to reclaim the planet.

Even as the team struggles with what to do about Maybourne and the rest of his followers not wanting to leave before the Goa’uld arrive, they makes a staggering discovery.

General Hammond, who is set to designate a crew for the Prometheus on a mission to determine if the Atlantis team is okay, designates himself to command the trip. He picks Jackson to join the team over O’Neill’s objection.

After embarking on the trip, the Prometheus happens upon an Al’kesh ship with a Super Soldier on board. The Super Soldier is able to transfer the Prometheus’ crew to the Al’kesh and take over the Prometheus. Unfortunately, the Al’kesh’s life support is nearly depleted.

Daniel Jackson finds himself the only one left on the Prometheus. He must try to defeat the Super Soldier, who turns out to be a female, Vala, who is a smuggler just posing as a Super Soldier. Jackson must discover her intentions, and foil them, and plus rescue the Prometheus’ crew, all at the same time.

Stargate Command receives two disturbing bits of news; a replicator generated Carter exists, and that Fifth and the Replicators are headed to Earth. The replicated Carter tells Stargate Command she wishes to be destroyed by the disruptor weapon created by O’Neill.

However, can the replicator Carter be trusted? Or is this some sort of trap set by Fifth. Either way, the team has no choice but to find out.

The Stargate disappears right in front of the SGC crew, leaving the SG-1 team to figure out who took it. At the same time, someone is attacking and killing the Jaffa with a deadly gas on various worlds, and the Jaffa blame the Tok’ra for these deaths. Are these two events connected? SG-1 must find out the answer to this, and the answer ends up being closer to home than they would expect.

Teal'c finds out his son is to be married, which then causes some tension between the two. Teal'c is later ambushed off world, at meeting with the warriors of Hak'tyl, as they are planning a rebellion against the Goa'uld Moloc.

When a corporate billionaire threatens to expose the Stargate program, SG-1 is tasked to silence him. What they find in the process leads to a new life for the billionaire, which he didn’t anticipate, or believe could happen.

Teal'c moves into an apartment off base, and then becomes the chief suspect in a murder. Teal'c is proven innocent after Dr. Jackson goes missing, and it is revealed the Trust are still active, and are taking aggressive measures to get what they want.

SGC scientists have come up with a virtual reality simulation training exercise. Teal'c is in the machine attempting to stop a Kull warrior taking over the SGC, but he gets stuck when the program keeps adding more obstacles. SG-1 is told that disconnecting Teal’c from the simulator prematurely might kill him.

Daniel is trapped on an alien planet in a state of cold war, each side with enough weapons to destroy the other. Will Daniel be able to contact Earth and stop a radical group controlling the country and return to Earth?

The President sends an assistant to look into the running of the SGC, before the President comes and formally blesses O'Neill as commander of the SGC. However, problems keep cropping up during the assistant's visit.

A Russian officer arrives at the SGC with an apparent infectious virus. However, the SGC is put into lock down after they discover that the Russian Officer does not really have a virus after all, but is inhabited by the remains of the SGC’s old nemesis – Anubis.

O'Neill uses the memory of the Ancients to help the Asgard save their civilization once again.

The System Lords approach Earth for an alliance to stop Baal from conquering the galaxy. Teal'c and Carter travel to the Halla system to find the Asgard who are O'Neill's only hope.

In the second part of the season seven finale, SG-1 are left hoping that the knowledge to destroy Anubis and his army is in O' Neill's brain. However things look bleak as O' Neill is slowly dying and has lost the ability to communicate in English...

In the last episode of season seven, Colonel Jack O' Neill allows himself to have Ancient knowledge downloaded into his brain, just like he had done before. While O' Neill's mind deteriorates, Anubis attacks the Earth and SG-1 has to race to find the Lost City which could hold the key to destroying Anubis and his army of super warrior.

A newly elected President Hayes is told about the existence of the SGC, and the fact that Vice President Kinsey has know about the SGC for some time now. Angry about being left out, Hayes meets with Kinsey, Kinsey’s investigative attorney Richard Woolsey, and the General who informed Hayes of the SGC’s existence, Gen. Francis Maynard.

Kinsey and Woolsey forcefully argue for Kinsey to replace Gen. Hammond and the SG-1 team. Gen. Maynard argues just as forcefully on behalf of Gen. Hammond and the SG-1 team. Flashbacks from previous episodes are used to relive the points made by each side.

In his mind, Woolsey begins to question Kinsey’s motives, and does something unexpected.

O’Neil gets promoted to replace Gen. Hammond, and Anubis fleet has been destroyed. However, when a highly decorated Russian officer arrives to request being assigned to SG-1 now open fourth position, strange events begin to occur. The officer collapses and the SGC is forced into lockdown. An old nemesis has returned, and SG-1’s solution to fighting him is, let’s say, unique.

While being overseen by an official, but unwelcome, documentary video crew, a valued SG member dies in an off-world fire fight. The documentary crew pushes to learn the details, while a government investigator arrives to try to determine why the SG command felt it worth while to allocate the cost in money and lives to rescue the SG team originally stranded.

Gen. Hammond finds a way to work the one against the other, to resolve both issues. Meanwhile, SG-1 struggles to overcome the SG command’s loss.

The SGC is required by the President to allow a film crew to make a documentary of the operations there. The objective is to preserve the on goings there for future generations. However, the film director grates on the SGC staff, and chaffs at the limits placed on him by Gen. Hammond.

When, during the filming of this documentary, an off world team gets into trouble, and the SG-1 team is about to be sent to help out, will Gen. Hammond let the film crew go with them?

The alpha site is compromised and Carter flees from a super warrior that may hold the key to defeating Anubis' super army.

Daniel begins to have persistent dreams about his former lover, Sarah Gardner. These dreams feel very real to Jackson, who is now finding his nightly sleeps are not restful at all. The team looks into the cause of Jackson’s dreams, and they find a big surprise.

At the same time, Carter begins a romantic relationship with Pete Shanahan. Carter’s assistance in learning the cause of Jackson’s dreams leads to a conflict with her relationship with Pete.

Jonas Quinn asks the Stargate Command for help after his planet is threatened by explosions that could destroy the planet entirely.

The Prometheus finds itself under attack from an unknown, but powerful alien space ship. Carter hits her head on a bulkhead and is knocked out. When she awakes, she finds the ship’s crew gone. Carter must find them and rescue them, while fighting the effects of her head concussion.

Jack mounts a rescue mission to free Daniel and Carter is assigned a reconnaisance mission to determine what Anubis' plans are.

Daniel Jackson travels to South America, to find a way to destroy the invincible Anubis warriors, while there he is abducted.

The SG-1 team travels to a world controlled by Jaffa women. These woman prey on other Goa'ulds for their symbiotes, in order to preserve their blood line.

A comedic episode which has the scientist Felger attempting to input a virus to shut down one specific gate winds up shutting down all the system gates, which strands many SG teams on other worlds. This leaves O'Neill, Dr. Jackson and the other off world teams in pearl.

Carter and an old (alien) friend, Warrick, who was captain of the Seberus (from the episode “Forsaken”), join together to co-pilot a ship in a space race held in his planetary area. However, there are those that determined to see him fail in the race. The rest of the SG-1 team jump in to save Carter, and her and Warrick’s attempt to win the lucrative space race.

A Stargate Command mining operation on a distant planet is attacked by the previously unknown native Unas’. The SG-1 team, along with the Unas called Chaka, is sent to try to negotiate a possible resolution to both sides’ issues. It turns out that both sides can help the other, and remain in peace.

SG-1 investigates a crashed space ship on a desolate planet. They find the ship full of people in suspended animation pods. Then something happens that knocks out the separated team. As they awaken, all of them seem fine, except for Jackson, who now appears to have a multiple personality disorder.

Back at the SGC, they learn Jackson’s mind has been invaded by several of the suspended consciences from the ship. Can they remove them, and save Jackson? Or, will Jackson be left going continually from one consciences to the next!

On a planet with a toxic atmosphere, SG-1 finds a thriving town of people living in a force field created dome. The people in the town are all connected to a central computer, or the “Link” via a device attached to their foreheads. As SG-1 begins to learn more about this culture, and the Link, town folk start mysteriously disappearing. More seriously, the remaining town’s people don’t remember the missing people at all. Carter soon learns what is happening, but can she stop the continuing disappearances? The team's lives become imperiled as they fight to save those of the town’s people.

Teal’c, wounded on an away mission, now doubts his fitness to be a member of the SG-1 team. Daniel feels there is something he must remember from his ascended time. Both of their feelings merge into their belief that Master Bra’tac and Rya’c are in danger and need to be rescued from their vision of the two’s enslavement on a Goa’uld controlled planet.

When a fifteen year old boy arrives at the SGC claiming to be Col. Jack O' Neill, the incredulous team must check out his story. They find that the boy’s DNA matches that of Jack’s. However, upon further investigation, and with the help of the Tok’ra Selmak, they learn this “young Jack” is just a mistaken part of an unsanctioned ongoing experiment by an Asgard hoping to solve the Asgard’s cloning replicative fading problem, which threatens the Asgard’s future existence.

Can the team rescue the real O’Neill from this arrant Asgard experiment, and can they find a way to cure the genetic errors in “young Jack,” which will soon cause his early demise?

Anubis attacks Jonas' home planet, Kelowna, when he learns that they have mines of Naquadaria.

.Jonas Quinn finds what he thinks to be the information needed to find the Lost City of the Ancients. After letting General Hammond know this, SG-1 heads off to the planet in question, where they find some ruins. While there, they meet a group of travelers who have taken up refuge. This also leads to the discovery that Daniel Jackson has returned to corporeal form, but apparently with no memories whatsoever of his past.

After a bit of convincing from Jack and Sam, Daniel decides to return with them to Earth to try to recover his past memories. While Daniel is doing this, an extensive search is made of the ruins, but they come up empty handed.

Slowly but surely, Daniel begins to remember parts of his past life, and rejoins SG-1. Then he finds that he is able to read a Ancient tablet that was found, and realizes that the planet SG-1 is searching for is in fact the wrong planet.

With Anubis still becoming more and more powerful, SG-1 and the Tok'ra devise a plan to lure him to this planet with a fake tablet so that they can take out his new super weapon. Teal'c then heads off to the system lord Yu, to forge an alliance so the full force of the combined system Lord’s fleet can attack Anubis, once his super weapon is destroyed.

This leads to Daniel and Jonas to ring up to Anubis’ ship, to get the coordinates for the shield generator, while O'Neill and Carter fly a F-302 in close to take out a ventilation port to destroy the weapon. Unfortunately, a growingly senile Lord Yu orders his fleet to a different system, so there is nobody around to attack Anubis once the weapon is gone.

After this happens, Jonas is captured and Daniel manages to climb into an air vent, but both are still on Anubis' ship as it escapes into hyperspace.

Daniel Jackson appears to Jack and alerts him that the Goa'uld Anubis is going to launch an attack on the planet Abydos and destroy it unless he gets the eye of Ra that he believes is there.

On a routine misson, SG-1 encounters a civilisation desperate to be freed from the clutches of the Goa'uld. While on the planet, Jonas falls ill and starts having visions of the future, he is diagnosed with a brain tumour and has a vision where SG-1 are walking into a trap on the alien planet.

The SG-1 team is required to accompany the maiden voyage of Earth’s first trans-galactic space ship, the Prometheus, even though the really don’t want to. Things go wrong, and the ship becomes disabled, and the ships corrective actions lead to devastating effects on a nearby planet. SG-1 works to persuade the planets inhabitants that the devastation was just an accident. The planet turns out to have the one thing the ship needs to get home safely.

Teal'c is confused as to what is reality and what is not when he goes between two realities. The first, he is a man with a wife and is donating a kidney to his step-father. The second, he is a firefighter. In the first reality he is presented with a dilemma from Daniel Jackson; what if neither one is real?

SG-1 discovers a crashed alien ship on a distant planet. The first group that they discover, human survivors, claims that the prisoners they were transporting have escaped after the crash. The team tries to help them recapture the prisoners, only to find not everything is what it seems. Who can the SG-1 team really believe?

Determining the answer to this question puts the team in serious risk.

When the U.S. and Russia decide to disclose the existence of the Stargate program and their contact with people and aliens from other worlds, the Ambassadors attending this conference are stunned, shocked and appalled they were kept in the dark. Things are then made worse when Senator Kinsey uses the conference as an opportunity to try to discredit the SG-1’s work, and the SGC in general. Kinsey wants the attendees to demand that Stargate control be move to the N.I.D. He gives the group examples on how the SG-1 and SGC have nearly brought destruction to the Earth on many occasions, and has showed a great disregard for Earth’s safety.

Hammond, SG-1, and those from the Pentagon, must try to dissuade the attendees from listening to Kinsey’s opinions. They must try to counter his negative criticisms with positive points made about the team’s, and the SGC’s successes, and their defense of Earth on many occasions.

Can the SGC survive Senator Kinsely’s onslaught and keep control, or will the secretive N.I.D. take over Stargate Command’s operation?

When the Russian SG team returns from a mission to a planet early, and with an unannounced dying alien, against protocol, the SG-1 finds signs that Niirti is again up to no good.

Upon investigation, they discover Niirti is performing experiments on the planet’s population; terrible, mutating, disfiguring experiments. Unfortunately, the people there believe Niirti is trying to cure a disease they have, and capture the team. Now they have to escape from the people they are trying to help, and avoid being the next guinea pigs in Niirti horrible experiments!

Jack and the man who he loves to hate, Harry Maybourne, are both transported to a now dead former utopian society. There a drug makes Harry paranoid and he tries to kill Jack, will help arrive in time?

Senator Kinsey suffers an assassination attempt while campaigning for the presidency and Jack is caught on tape leaving the building where the shots were fired. With Jack behind bars, Sam, Teal'c and Jonas must prove his innocence before it's too late.

SG-1 returns from a mission with an ancient artifact that triggers the ability to see hideous, yet harmless life forms, in a parallel reality. As the effects spread to civilians SG-1 must find a solution before mass hysteria breaks out.

When SG-1 is marooned in deep space, Thor and the Asgards come to the rescue. They then seek Jack's help to combat the Replicators, who have overrun their home world. Convinced they will attack Earth if not stopped, Jack stages a daring mission to stop the Replicators once and for all.

Rogue NID officers hijack the top secret x-303 spaceship with Sam and Jonas on board and demand that Adrian Conrad be brought to the ship. Using his Goa'uld knowledge Conrad activates the X-303 and takes the ship light-years away from Earth as Jack and Teal'c stage a daring rescue, not knowing if they will be able to return home.

SG-1 visits Pangar, a planet inhabited by humans who have developed a drug that makes their immune systems perfect. The way taht the drug is produced may hold the key to the origins of the Tok'ra.

Fleeing a Goa'uld attack, the Tok'ra must take refuge at the SGC Alpha Site occupied by rebel jaffa. Centuries of bad blood between the two races begins to boil as an unseen assassin wreaks havoc on the camp.

Three bumbling Scientists working on an off-world research project witness SG-1 being captured in a Goa'uld raid, and defying orders, two of them attempt to rescue the the SG-1 team. What they don't know is the SG-1 staged the capture in order to infiltrate the Goa'uld, in order to make contact with a Tok'ra informant.

Can SG-1 complete their mission and also rescue the bubbling scientists?

Jonas is conflicted when an old professor from his home planet asks SG-1 to help stage a coup against the Kelownan government in order to stop a civil war.

A Goa'uld lord, named Baal, holds Jack captive and tortures him for information about the Tok'ra. As Jack suffers Daniel appears and offers support. Meawhile the rest of SG-1 races to rescue Jack before it's too late.

When Sam receives a late night call from a scientist who speaks Adrian Conrad’s name, and then he subsequently disappears, after his car crashes, leads the SG-1 team to investigate the occurrence. It is learned the scientist is connected with Adrian’s past company, which was working on curing his failing health via a Goa’uld implant.

The team, upon going to the small town Adrian’s research lab was relocated to, find the townspeople’s behavior during the night very bizarre. It’s assumed the Goa’uld are present, but the team must discover what their ultimate plans are.

The team also learns that the N.I.D. is also involved in some way, too. The team must determine their intentions too.

The team discovers a frozen Ancient, who once revived, exhibits magical powers.

Carter and Jacob in a Goa’uld cargo ship discover a derelict Goa’uld ship orbiting Earth. SG-1 tries to salvage the ship, but sabotage causes the ship to plummet to Earth, crashing into the Pacific Ocean. The team must figure a way to save themselves, and possibly the technology on the Goa’uld ship.

Teal'c and his son, Rya'c, battle to save Earth. Meanwhile on Earth Jack pilots the x-3, a newly designed interstellar spacecraft that will carry the Stargate far away from Earth so it can explode harmlessly in deep space. This could be the end of SG-1 as there will be no more Stargate.

SG-1 faces two potential disasters light years apart as an energy build-up in the Stargate threatens to destroy Earth and another world. Teal'c returns home to find out that his wife is dead, his son is estranged, and his planet is under attack.

After the death of their comrade, Daniel Jackson, SG-1 decide to go on a mission to rescue a stranded Asgard scientist while having to deal with their feelings about what happened to Daniel and the approaching Goa'uld ships.

After returning from an off world mission, Daniel Jackson is stricken with radiation poisoning. Attempting to find out what happened, General Hammond hears two different stories, the SG-1 team say Daniel is a hero who saved the people of that planet, but the officials of that planet accuse Daniel of sabotaging a government experiment. Dr. Frasier tells everyone that Daniel is dying and it can only survive if he is put in a Goa'uld sarcophagus.

Stargate Command learns that a planet with a protective shield against the Goa’uld, and once visited by the rouge off world NID team, is now defenseless against an ongoing Goa’uld attack. SG-1 must utilize the service of two of the NID team who visited the planet, who are also currently condemned to a death sentence on Earth, to help save the planet.

However, can SG-1 really trust the rouge NID team members to do the right thing and help them?

SG-1 investigates a long dead ancient civilization only to find a perfectly preserved female robot. They bring the robot back to Stargate Command and reactivate it in hopes of finding answers to their many questions. However, the robot turns out to have a childlike personality and no memory of what happened to her planet.

It turns out Reece, as the robot is named, has a major connection to the Replicators. Can Stargate Command survive Reece’s presence on the base? Will this danger spread to the rest of Earth?

Word has spread around Chulak of a formidable new warrior who was once first prime to the Goa'uld, Imhotep. However both Teal'c and Jack are suspicious and Teal'c is told something shocking by the Goa'uld system lord, Lord Yu.

As an asteroid hurtles towards Earth, SG-1 repairs an abandoned Goa'uld ship to use as a launching pad for a naquadah bomb, which should explode the rock into small pieces before impact. But then Stargate Command lose the ship's signal and fear that SG-1 has crashed, leaving them dead and Earth facing a great peril.

As Daniel decides to change the original plan to kill the assembled Goa’uld System Lords, Carter must find a way out of the tunnels created by the Tok’ra, which are being destroyed by the attacking Goa’uld fleet. It’s up to O’Neill and Teal’c to try to get to save them.

In the mean time, back at the Goa’uld conference, Daniel must learn the attending Goa’uld’s plans, and escape before he is possible served up as a meal or turned into a Goa’uld at the ending ceremony.

Daniel Jackson is given a mission by the Tok'ra where he could possibly take out all the Goa'uld leaders.

After a near deadly pursuit by gliders and the well aimed destruction of one vessel, the SG-1 team just manage to leap safely through the Stargate. However a glider crashes on the Stargate just as Teal'c is going through, resulting in his energy being trapped in the Stargate. Just how can Stargate Command bring Teal'c through the Stargate?

After a poor training simulation with new potential recruits for the SGC, O’Neill tries one more exercise, which goes equally bad for the recruits. At the end of the exercise, Jack receives a cryptic call and repeats into the phone the word “Foothold.” The recruits hearing this know that a potential alien takeover of the SGC has occurred. Jack is then shot, as he shoots and kills several unknown strangers that arrive in vehicles to talk to Jack. The recruits now appear to be the only people around that can help O’Neill in this situation.

They sneak into the SGC through the ventilation system, and try to find Carter, who had warned O’Neill and has the answer to what is happening. However, all is not all what it seems there. And in the end, the recruit team leader, Lt. Elliott, must risk death to save one of his teammates.

SG-1 find out Martin Lloyd has become the consultant for a television programme similar in plot to what SG-1 do. They also find out a space ship is heading towards the Earth.

A Russian team working for the N.I.D. captures a Jaffa that is being held by the Russians. Another N.I.D. team then captures Carter. The common reason behind these actions revolves around a billionaire named Adrian Conrad. Conrad has a fatal illness, which only the implantation of a symbiote can cure. However, he needs to find out how Carter survived the removal of her former host.

O’Neill seeks out the help of the traitor Maybourne to get Sam back before it’s too late to save her from Conrad’s experiments.

SG-1 finds a peaceful agrarian world upon a visit. The people there connect SG-1 with an amazingly advanced race from another planet. The Aschiens tell SG-1 they will gladly share their technology, based on certain conditions.

Will this “to good to be true” ally prove to be just what Earth has been looking for, or do the Aschien have a secret agenda in their offer? The answer they find will shock the SGC to its very core.

SG-1 return to Tollana to discover the Tollans have reversed their policy on technology sharing and are now willing to trade advanced weaponry with Earth. But Carter's friend Narim warns that this spells great danger for Earth and the team must return to uncover the real agenda behind this reversal.

On a rescue mission to recover Russian soldiers missing in action on a previously undisclosed trip, SG-1 get trapped in a Goa'uld tomb. Here they discover not only the remains of the Russian soldiers, but a killer alien from which they must now escape.

Daniel and the SG-1 team find Chaka has been captured by an agrarian society, which posses Goa’uld weapons. It seems the society uses the Unas’ as beasts of burden. Daniel insists they try and rescue Chaka.

Once on the planet, Jack and Daniel try to reason with the planet’s Unas slave traders, while Teal’c and Carter keep watch from a nearby hill. Things don’t go well, and the team decides to “extract” Chaka by force. Unfortunately, this leads to Jack and Daniel being captured as well.

It is then up to Teal’c and Carter to free them and Chaka. However, Chaka has plans of his own to take down his captors, and free his fellow imprisoned Unas, and Jack and Daniel, too.

When Cassandra exhibits strange uncontrollable electro magnetic effects, which cause most electrical sources nearby to burn out, she is taken back to the SGC. In investigating the cause, they are lead to believe Nirrti is involved in the strange development of children on Cassandra’s planet.

The team struggles to find the answer, or the cure, to Cassandra’s situation. However, they get a nasty shock related to their investigation of Nirrti’s seemingly abandoned lab on Cassandra’s planet.

SG-1 gates to a world which they find worships the Norse god, Freyr. The people believe the team are Elves, as disciples of Freyr are known as.

All seems to go well until the planet’s sky turns red. The local religious interpreter decries that the SG-1 team is the cause of this strange occurrence, suggesting that SG-1 has brought on Rag’norok on the people – meaning the end of time.

The events of SG-1’s arrival lead to the possible demise of all of the planet’s inhabitants, and the team’s own peril. O’Neill is able to request help from the Asgard high counsel via their beaming viewing system in the villages temple, but the Asgard counsel tells him they are prevented from helping, due to provisions in the “protected planets” treaty with the Goa’uld.

SG-1 must find their own way to save the planet, and its people on their own.

O' Neill stays behind on a planet with Lt. Tyler, a new addition to the team, as the others escape back to Earth. They ask to immediately return to the planet with, reinforcements to rescue O’Neill and Tyler, when Gen. Hammond informs them that there has never been a Lt. Tyler on their team, and that in fact, he does not even know a Lt. Tyler. Gen. Hammond denies the return, and forces SG-1 to be looked over in the infirmary.

Col. Frank Simmons appears and begins his own investigation; only his motives appear to be more sinister.

So, just who is it that O' Neill is helping, and can SG-1 on Earth convince the SGC to save O’Neill and the other entity before the Goa’uld capture or kill them?

While inspecting a mysterious weapon on a distant planet, Carter is inexplicably knocked unconscious. She is taken back to the SGC, leaving another team to investigate the aspects of the weapon.

Carter finds that an ascended Ancient, Orlin, has followed her back to Earth. At first, she thinks he is imaginary, but then Orlin takes on a real human form to interact with her. He tells her testing the weapon will destroy the planet, and should not be tested.

However, other forces now know of Orlin, and are watching Carter’s every move. Things come to a head as Carter tries to stop the test firing of the weapon, and the secret governmental group’s attempt to capture Orlin.

Teal'c, whose mind has been altered by system lord Apophis, now believes that the last four years he spent where working undercover for Apophis against the SG-1. The SG-1 need to find away to get his mind back.

The team seek out Bra'tac, and ask his help. Bra’tac performs the Jaffa ritual known as the Rite of Mal'Sharran. However, this ritual will bring Teal’c to the edge of death, by forcing him to relive events throughout his life.

After losing Teal'c to Apophis, SG-1 and Jacob prepare to battle against their foe on board Cronus' ship. A mysterious ship appears which allows them to escape only slightly damaged. A later encounter with the enemy ship shows no signs of life on board, save for an army of replicator bugs and an auto destruct programme.

The Stargate Command lend their Goa'uld ship to the Tok'ra to move to a planet that is unknown to the Goa'uld, however Tanith - who has been taken over by a Goa'uld - tells the Goa'uld where the Tok'ra are moving to.

When the team travels to a planet ruled by the Goa’uld Cronos, they are surprised that they are already known by the people there. We soon learn the SG-1 team is not what they appear to be. They are in fact the robot replacements created by Harlan.

Now the real SG-1 team must try to rescue their counterparts, and correct an earlier error they were responsible for.

The Earth is threatened yet again by an entity that spreads through the base and traps Carter. It may be a likely possibility that SG-1 will have to sacrifice one of their own to save the planet.

Sam meets a rising cadet who is given her first taste of a mission off world.

The team discover an ominous light that is addicting and life threatening; a boy there may hold the key to why and how this happens... and how to end it safely.

Daniel is taught a lesson by the Harsesis; the son of two Goa'ulds - Apophis and Ammonet.

It is 2010 and the Goa'uld have been defeated and all diseases have been eradicated, all thanks to the Aschen. But Carter discovers they are making the human race sterile in an attempt to wipe them out, and just as she and others are about to give up; they realise there is still hope... nine years in the past.

After General Hammond announces he is retiring, Jack is very suspicious and feels there may be more to it than Hammond is saying.

When SG-1 go to a neutral location after learning of a meeting taking place between Heru-ur and Apophis, they are shocked to learn that Heru-ur caught Teal'c; who was on Chulak raising support for a Jaffa rebellion. Heru-ur is using Teal'c as part of the deal between the two system lords. Can SG-1 complete their mission? And can they save Teal'c?

Doctor Jordan, Daniel's old professor, dies and Daniel decides to pay a visit to where the Doctor worked and begins to suspect that the death may have actually been murder.

Jack and Teal'c test the new X-301 fighter pilot but end up going into space, unable to stop. How can Carter and the others rescue Teal'c and Jack?

A man called Martin contacts the Stargate Command claiming to be an alien and he tells them he wants to meet with Jack. At first Jack thinks Martin in a nut job, but after a while he starts to think that maybe Martin really is from another planet.