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|Original air date|
Christopher Heyerdahl as Pallan
|SG-1 Season 7|
|Season 6||Season 8|
SG-1 finds a civilization living in a Dome on an unlivable planet. The seemingly peaceful civilization use geothermal energy to maintain the dome. However, mysteriously, several people start disappearing, and the dome is slowly shrinking.
Stargate Command sends a MALP through the Stargate to P3X-289, a planet with a highly toxic atmosphere, including finding Sulfur dioxide, Carbon monoxide, Methane and Ammonia. The MALP then sees a strange dome, around 2.2 kilometers in diameter, and 500 meters tall. Major Samantha Carter guides the MALP to the Dome. It stops right outside the "mist", and extends its arm, where it seems to go through some barrier of some kind. Out of curiosity, Carter commands the MALP to inside the dome, where she, MSgt. Walter Harriman and Dr. Daniel Jackson see a lush green landscape. However, a few seconds later, the transmission terminates.
SG-1 is dispatched to retrieve the probe and investigate the inside of the dome. To prevent them from succumbing to the toxins, the team is issued full Hazmat gear, which should last for at least 12 hours. They walk to the dome, finding remnants of old structures, indicating a once thriving civilization. They arrive just outside the dome, where Carter picks up a static charge. Colonel Jack O'Neill uses his FN P90 Personal Defense Weapon to poke through the dome. After that, the team starts walking through it, where they encounter some resistance, and see the lush surroundings, and detects a clean atmosphere of Oxygen and Nitrogen, enough to remove the Hazmat suits. Carter deduces that the resistance, and a slight electrical charge, must be there to prevent people from accidentally moving through and becoming exposed to the poison atmosphere. They also determine that the MALP is still fully operational, so they surmise that the dome probably blocked the signal.
The team then notices a young boy peering at them from behind a tree. He tells them that his name is Nevin, and that he can take them to the village to meet his people, but only if he can have a Hazmat suit, which SG-1 obliges to. They soon arrive at the village, and meet Nevin's father, Kendrick who, as well as other villagers haven't seen any visitors before. They all wear silver devices on their left temples. SG-1 is then taken to the Council, where they are greeted by four councilors. SG-1 explains that they avoided the toxic atmosphere through the Hazmat suits, and came from Earth by Stargate. At first, the councilors do not know what it is, until the entire village pauses for a moment, and then remembers the Stargate as the "Gate of Magh Mar". The councilors then explain to them the devices on their heads, known as the "Link", which gives everyone the same information whenever they need it.
Afterward, O'Neill and Teal'c manage to move the MALP in a way that they could make contact with the SGC. Major General George S. Hammond is pleased with the situation, and gives O'Neill another 24 hours until the next scheduled contact, meaning SG-1 is to stay the night in the village. O'Neill and Teal'c stay the night in Nevin and Kendrick's home, while Carter and Jackson stay in another house, belonging to Pallan and his wife Evalla. The couple tells them that a few hundred years ago, their advanced technology slowly poisoned their world, and started creating the dome by using Geothermal energy, and seriously cut back on their advanced technological lifestyle, and have been for 400 years. Jackson asks about their history, and Evalla offers him a link, but Carter says it might not be compatible with Earth human physiology. Pallan offers to show Carter the generators the next day. Meanwhile, the female member of the council wakes up from her sleep and then walks out of her home and through the barrier into the toxic area outside.
The next morning, Jackson still wants to know about the past of their civilization, and Evalla shows him to a room full of old books, and helps him translate them, since Jackson does not wish to access the Link. She says that once the people started using the Link, they didn't really need books any more.
Meanwhile, Carter is shown the power room, which contains the only computers in the dome, which is used to control the Link, as well as the power readings from the geothermal generators. Carter then notices something, but when she turns to see Pallan, he freezes, as does the entire village. They are then taken out of their trance, where Carter tells Pallan of a drop in the energy reading, which Pallan says is impossible, since they "stay the same". Afterward, SG-1 meets together, and they wish to offer the people of the dome relocation. They talk to the councilors, who tells them that they do not wish to leave. When the team tells them about the councilwoman, the other councilors tells them that they apparently never had a fourth council member, or at least a female council member since the last election two years ago.
Carter believes the Link might be responsible for this, but they continue with their findings. Jackson asks Evalla questions concerning population controls, while Carter uses her computer so she could understand what their computer is saying. She then notices power fluctuations, with the energy going down by 2%. However, Pallan again tells her that the power variation is always between 0.01% to 0.07%. Meanwhile, Teal'c and O'Neill encounter Kendrick, who tells them that he and his son are willing to be relocated to another planet. However, when O'Neill and Teal'c approach the MALP, they find that it is no longer there. Carter then radios in and tells him that the dome is losing power, and has shrunk by 4% in the past 24 hours, and if the power levels continue to drop, the dome will fail, and everyone will be killed.
Carter then notices everybody freezing again. Jackson witnesses Evalla walking away. Jackson tries to stop her, but she walks round a corner. Jackson runs after her, but when he turns the corner, it's a dead end. He walks to the end and realizes he is approaching the barrier and stops himself. Carter radios O'Neill and tells him its happening again, everybody's freezing. The team meets up inside a house, where they agree that the culprit this is the Link; every time the power levels drop, everyone is in some sort of trance, and then continue as if everything is normal, because the Link wants them to believe everything is normal.
Their plan is to convince people that the Link is lying to them, and to reprogram it, while Jackson continues to read in the old books to find proof that not everything was as it is now. O'Neill and Teal'c then plan to leave to retrieve their suits to make contact with Earth. However, on the way to Nevin and Kendrick's house, Nevin stops them and tells them that their home is somewhere else, but insists he lived in the current location for his whole life. After they make it to their "home" and retrieve their Hazmat suits, they tell Kendrick that they will make contact with Earth, and re-iterates their desire to leave the dome. However, Kendrick appears to change his mind, and denies making the request, as well as finding out that Nevin no longer wishes to become an explorer, but a gardener instead, like his father. Knowing the Link is manipulating their minds, O'Neill wishes for Kendrick to remove it. However, he says he can't as removing the Link would cause "instant death", something they never said before.
Carter tells Pallan and tries to convince him that the power levels are dropping, and that the Link is updating every time it does, to make everybody believe that the power levels are constant, and that she has to warn everyone to leave the dome and relocate. However, when she mentions Evalla, Pallan asks who she is. When Carter tells him she's his wife, Pallan tells her that he has never been married.
Daniel continues to look through the library, and then finds something to back Carter's case. He picks up a document and runs to the control room, where he tells Carter and Pallan that - based on the paper plans and legal documentation that were used when the dome was initially established - 100,000 people once lived in the dome, rather than the 1,300 that are living now which causes Pallan to wonder where all the people went. O'Neill and Teal'c then search outside the dome, where they see skeletons of people who once lived in the dome. Some of the skeletons are very recent; Teal'c notes that there are more that are actively corroding in the toxic gasses, so there are probably many more that have already been dissolved. They also find the MALP and realize that it never moved: the dome just shrank, leaving it outside.
Back in the control room, Carter tries to convince Pallan that removing the Link would not be fatal, because Evalla removed hers at dinner last night to offer it to Daniel. Now, though, the Link has updated everyone's memories so that they will think removing the link device will kill them. Carter realizes that the Link is compensating for energy loss by shrinking the dome--and sacrificing some of the population so the remainder can survive. Asking him to trust her, Carter gently reaches out to Pallan's forehead and removes the device, which does not kill him.
Pallan, now realizing the Link is false, helps Carter in trying to reprogram it. However, in the process, the Link updates itself again. This time, the village people think that SG-1 needs help, having been made to believe that SG-1 was disconnected from the Link. After O'Neill and Teal'c re-enter the dome and have shucked their gear, they notice they are being followed by everyone in the village, and are soon completely surrounded with their backs to the dome. Kendrick offers them the devices to connect them to the Link, which O'Neill refuses.
Meanwhile, Pallan, who admits that without the Link, he doesn't know how to access the system as he once did, finally manages to finds his way into the Link's base programming level. With no time to explain everything, Carter tells him to remove all memory of SG-1; working feverishly for several minutes, to his elation he successfully does so. The villagers pause for a moment, and react to O'Neill and Teal'c as if they've never seen them before.
Some time later, the SGC sends more people and by outfitting them two or three at a time in Hazmat suits, helps the entire village to relocate to another planet. Carter tells Pallan that she found out that 200 years ago, the geothermal vents started to cool, and that slowly, the dome shrank, and will completely fail one day. Pallan is now curious about knowing he had a wife, though he does not remember her. He asks Carter to help him remember by telling him about Evalla.
Ammonia; Carbon monoxide; Counselor; Danaan; Dome; FN P90 Personal Defense Weapon; Gate of Mahg Mar; Geothermal energy; Hazmat suit; Hologram; Link; Methane; Mobile Analytic Laboratory Probe; Morrigan; National Museum of History; Nitrogen; Oxygen; P3X-289; Seinfeld; Staff weapon; Suicide; Sulfur dioxide
Nevin: You came from outside.
O'Neill: Yes, we did. What's your name?
Nevin: What's yours?
O'Neill: I asked you first.
Nevin: You have strange clothes.
O'Neill: You caught us on a bad day.
Nevin: How many planets have you been to?
O'Neill: I don't know, lots.
Nevin: More than 10?
Nevin: More than 20?
Nevin: More than 30?
Nevin: More than 40?
Nevin: More than 50?
Pallan: What is that?
Jackson: They're legal documents. All I can say is thank God for lawyers.
Nevin: Father, is Colonel O'Neill sick?
Kendrick: He is. But we're going to make him better.
- The computer used by Pallan to maintain the dome would later be re-used as a Galaran memory transplant computer in the Season 9 episode "Collateral Damage."
- Fantasy Garden World, located near Richmond, BC Canada was the location used to film the village in this episode. This location was later used to film the village of M65-PL8 in the Stargate: Atlantis Season 3 episode "Irresponsible".
- Originally, the character of Nevin was called Aidan. This was changed because they had already a character called Aden Corso in season six's "Forsaken". The character of Evalla was originally called Evanna but it reminded writer Paul Mullie too much of Ivana Trump. Finally, the character of Pallan was originally called Parlan. The writers chose to change this because they didn't like the way it sounded.
- This episode also shares some elements with The Outer Limits episode "Stream of Consciousness." More importantly, the producers are using the same temple implants that were used in that series.
- Peter Lacroix (Kendrick) previously played Edrekh in the Stargate SG-1 episode "In the Line of Duty".
- Tiffany Knight (Evalla) previously played La Moor in the Stargate SG-1 episode "Touchstone". She is best known for playing The Hybrid in Battlestar Galactica.
- Finn Michael (Councilman) is the stand-in for Michael Shanks. He previously played Soldier in the Stargate SG-1 episode "New Ground" and Guard in "Beast of Burden".
- This is Christopher Heyerdahl's only appearance on Stargate SG-1. He would later play the recurring characters Halling and Todd in Stargate: Atlantis. He is best known for playing John Druitt/Bigfoot on Sanctuary.
- This episode takes place over the course of two days.
- Russian: Ревизии (Revisions)
- French: Le Réseau (The Network)
- Italian: Revisioni (Revisions)
- Spanish: Revisiones (Revisions)
- Czech: Revidování (Revisions)
- German: Die Macht des Speichers (The Power of Memory / The Power of the Link)
- Hungarian: Javítások (Repairs)