A strange artefact is found in Egypt in 1928. In the present day, everyone's laughing at Dr. Daniel Jackson's theory that the pharoahs didn't build the pyramids. The US Air Force offers him a job and a chance to prove himself right. Col. Jack O'Neill, suicidal after his son killed himself with a gun left lying around, is put in charge of the project at Creek Mountain, Colorado, ousting Dr. Cathering Langford, whose father found the artefact.
   Jackson corrects a translation and gives the object its name: stargate. He cracks the dialling system and the gate is connected to a planet on the other side of the galaxy (Abydos). Daniel is sure he can work out how to dial home at the other end but to everyone's dismay, the information isn't at the other gate.
   The visitors interact with the natives, who are mining something for an overlord. They are from Earth, which was ruled by an alien called Ra until a rebellion. A spaceship lands on the pyramid and the troops there are captured. Daniel finds 6 of 7 symbols of the gate address for Earth. O'Neill brought a nuke with him but Ra grabs it.
   The natives are shot up a bit and the rest of the visitors are grabbed. Daniel has to be repaired in a sarcophagus. Ra plans to blow up the Earth. The prisoners escape and one of the local kids draws the Point of Origin symbol for Earth. A rebellion starts. O'Neill triggers the nuke then finds he can't stop the timer. But Ra takes off in his spaceship and the nuke is ringed up to him. Daniel stays behind on the planet when O'Neill takes his troops home.

Stargate: Ark of Truth (2008) Millions of years ago in a distant galaxy, scientists created the ultimate brain-washing device but they didn't use it to destroy the Ori. SG-1 found something in ruins on Dakara. Daniel wouldn't open it, Vala wanted to. A gang of BGs arrived, led by Vala's husband, Tomin. A prior arrived and Tomin blasted the box (not the real Ark) and Mitchell blasted the prior to prove that Earth had technology to counter them.
   The SGC was lumbered with a new IOA stooge: Merrick, ex-CIA, replacing Woolsey. No one knew if the weapon sent to their galaxy had destroyed the Ori but there were still lots of Priors around with Ori technology, and Earth was still under threat of destruction. Finding the Ark offered hope of stopping the priors. Major Carter had a plan to destroy the Ori supergate but Daniel Jackson thought the Ark was still in their galaxy.
   An expediton went through the supergate in Odyssey. Teal'c told Tomin he would never forgive himself for what he had done in the service of the Ori. The expedition was looking for a Shangri La in the other galaxy. Merrick had his own agenda: to put replicators on Ori ships. All he did was release one on Odyssey. Daniel's searchers were stuck on the planet as the crew battled replicators on their ship and also Ori ships. General Landry offered just defiance to a visiting prior.
   Daniel found the Ark. Everyone but Teal'c was captured by a prior. The replicators turned Merrick into a cyborg and Mitchell had to battle it. Carter had to write her own shut-down program for the replicators. Vala's daughter turned up. Adria had Ascended, like the Ori, and she was getting all of the energy from their supporters. Daniel had a chat with Morgan le Fey, who messed him about a bit more.
   Morgan said Adrea was too powerful for her to tackle. Daniel managed to activate the Ark and zapped all of the Priors. Morgan took out Adrea in a battle reminiscent of the Battle of the Koshes in Babylon 5, and the Ark ended up in Area 51, which Daniel thought was a bad idea. Then it was back to work for SG-1 after their injuries had healed.

Stargate Continuum (2008) SG-1, General O'Neill and Vala went to the Tok'ra homeworld to witness the extraction of the Goa'uld Baal from his host. The prisoner claimed that he was not the real Baal.
   In 1939, the stargate was being transported from Egypt to Boston on an ancient tramp steamer called Achilles under the command of one of Col. Mitchell's ancestors. The stargate suddenly dialled. Enter Baal and a small gang of Jaffa. He used the gate to go somewhere else.
   People started disappearing at the extraction, including Vala and Teal'c. Baal killed O'Neill before he was shot. Mitchell, Carter & Jackson tried to get back to Earth but they ended up on the Achilles, stranded somewhere in the Arctic. Mitchell let off some C4 to blow them free, Daniel got his left leg soaked and ended up losing it.
   When they were rescued, the trio found themselves in an alternate time line where the stargate programme had never happened because Baal had changed history, Carter was dead and Mitchell had never joined the Air Force. Daniel freaked out O'Neill, who son wasn't dead. The trio made noises about repairing the time line but General Landry told them that everyone else was quite happy with the one they had, thank you very much. The three were given new identities, separated and forbidden to communicate.
   One year later, a Goa'uld fleet arrived at Earth to take over. Teal'c delivered Apophis to Baal for execution and became Baal's first prime on a promise that the Jaffa would be freed. The US president hoped to use the other stargate in the Antarctic, which was being made operations and the Ancient chair, if a ZPM could be found to power it, but Baal's forces blasted them to bitz. He was now the boss of the System Lords.
   Qadesh, Vala's Goa'uld, surprised Baal and killed him. Teal'c ringed off Baal's ship. Qadesh headed for Praxis as the Goa'uld fleet started to bombard Earth to get rid of excess population. Teal'c decided to use the other stargate on Earth to get there ahead of Qadesh. He joined forces with SG1 at the Russian base where the stargate recovered from the Achilles had been set up, and they found Baal's time machine on Praxis.
   Carter fired it up while the others had a shooting match with Qadesh's forces. Only Col. Mitchell got out alive, back to 1929, and Teal'c blew up the time machine, himself and Qadesh. Mitchell shot Baal and his troops to pieces when they arrived by stargate in 1939 to make sure that the gate reached Boston. Baal's host was unGoa'ulded after 2,000 years of occupation and SG-1 went for lunch on General O'Neill.

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