Stargate: SG-1 Crossovers
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Changes From Beyond the Looking Glass by Shadow Master reviews
(BtVS/Mass Effect Universe/Stargate SG-1)You get to experience a lot when you're a member of a top secret organization. Things that are amazing beyond words and things that scare you to the soul. Get ready for the bar to be raised.
Crossover - Buffy: The Vampire Slayer & Stargate: SG-1 - Rated: M - English - Sci-Fi/Adventure - Chapters: 7 - Words: 97,311 - Reviews: 91 - Favs: 373 - Follows: 440 - Updated: 7/9/2017 - Published: 8/15/2014 - Xander H.
Highlander New World Order by Firewolfe reviews
When the Immortals Methos, Duncan and Richie are saved by a myterous immortal they flee through the stargate and find lost family.
Crossover - Stargate: SG-1 & Battlestar Galactica - Rated: K - English - Chapters: 6 - Words: 7,994 - Reviews: 7 - Favs: 14 - Follows: 17 - Updated: 7/9/2017 - Published: 1/21/2017
Stargate New Worlds by Flurry of Freezing Flames reviews
Sent to Cheyenne Mountain, five teenagers who advanced quickly through the ranks as a sort of punishment by their parents, are thrust into a world they only thought possible on television. Faced with enemies never before seen and allies just as unlikely, this new SG-1 will take the new Kiawe Galaxy by storm. OC suggestions welcome.
Crossover - Stargate: SG-1 & Stargate: Universe - Rated: M - English - Sci-Fi/Adventure - Chapters: 1 - Words: 7,857 - Reviews: 2 - Follows: 2 - Published: 7/5/2017 - OC, OC
A Goa'uld Miracle by skarosianlifeform reviews
What if, at the beginning of the Earth-Minbari War, Earth got an unexpected chance ?
Crossover - Babylon 5 & Stargate: SG-1 - Rated: K - English - Adventure - Chapters: 23 - Words: 36,565 - Reviews: 57 - Favs: 131 - Follows: 179 - Updated: 7/5/2017 - Published: 10/25/2014
A Matter Of Time by Solaris-Prime199 reviews
Every Story has a Beginning. Every Story has an End. Time flows from start to finish. In most Stories when your Ship goes down, when you take a round to the Gut, that's it. Game Over man... Game Over. Not this Time. No this Time were we're gonna kick Death in the Teeth, we'll tell Fate to do her worst, and we're all gonna have one hell of a Story. It's all just A Matter Of Time...
Crossover - Stargate: SG-1 & Call of Duty - Rated: M - English - Sci-Fi/Adventure - Chapters: 3 - Words: 9,246 - Reviews: 16 - Favs: 44 - Follows: 49 - Updated: 7/2/2017 - Published: 5/1/2017
This Is Not Your Father's Fire and Brimstone by feveredfrenzy reviews
SG-1 Canon AU: Cameron Mitchell is the squadron leader of Earth's first unit of experimental F-302s, shot down in combat over a Goa'uld stronghold. John Sheppard is the Special Forces team leader tasked with his rescue, only to be taken captive himself. Things go downhill from there.
Crossover - Stargate: SG-1 & Stargate: Atlantis - Rated: M - English - Sci-Fi/Adventure - Chapters: 1 - Words: 5,263 - Reviews: 1 - Favs: 2 - Follows: 1 - Published: 7/2/2017
The New Tollan Council by TheDreadCaptain reviews
The Tollans never told the Tauri that 50 years ago they under went a Civil-War that caused almost 500 Million Tollans to leave for an unknown galaxy. Thoses Tollans fromed The New Tollan Council following many policies like the Old Council only that they arent as nearly as Isolationalistic.
Crossover - Stargate: SG-1 & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 5 - Words: 7,161 - Reviews: 30 - Favs: 95 - Follows: 122 - Updated: 7/1/2017 - Published: 5/23/2017
SG1 Comes to Sunnydale by Kerrain reviews
This story is No. 3 in the series "Nexus of Chaos". When an old friend of Daniel's posts on the internet looking for information about Ra, Jaffa and Teleportation SG1 is sent to investigate. Please have read Xander and the Ferula-Gemina to Chapter19 or this won't make much sense.
Crossover - Buffy: The Vampire Slayer & Stargate: SG-1 - Rated: T - English - Sci-Fi - Chapters: 16 - Words: 147,163 - Reviews: 51 - Favs: 170 - Follows: 202 - Updated: 6/26/2017 - Published: 8/19/2016
Welcome to the Hellgate by Nadie2 reviews
While visiting her California family Sam discovers a natural wormhole, or hellmouth as the locals call it. The Scobbies and SG-1 work together to combat your regular everyday apocalypse. And Spike develops a taste for blood with naquada.
Crossover - Buffy: The Vampire Slayer & Stargate: SG-1 - Rated: K+ - English - Sci-Fi/Fantasy - Chapters: 8 - Words: 16,666 - Reviews: 7 - Favs: 21 - Follows: 31 - Updated: 6/23/2017 - Published: 5/10/2017 - Complete
Jon the Guide by Maevenn reviews
To Guide or not to Guide, that is the question. Can Jon O'Neill make this kind of commitment? And just what the hell is he getting himself into? Buffy/Sentinel/Stargate x-over, sequel to Xander the Sentinel
Crossover - Buffy: The Vampire Slayer & Stargate: SG-1 - Rated: K - English - Supernatural - Chapters: 13 - Words: 15,490 - Reviews: 14 - Favs: 74 - Follows: 105 - Updated: 6/20/2017 - Published: 8/11/2012 - Xander H., Jonathan O.
Four Universes Intertwined by wmcc27 reviews
Voyager makes a discovery that will change the fate of four universes.
Crossover - StarTrek: Voyager & Stargate: SG-1 - Rated: T - English - Sci-Fi - Chapters: 1 - Words: 7,582 - Reviews: 7 - Favs: 40 - Follows: 56 - Published: 6/18/2017
Tau'ris Suprise by TheDreadCaptain reviews
What if in the Earth-Mimbari war a Tau'ri Colony and the Tau'ri Fifth Fleet is somehow transported to the Babylon 5 Universe and are discovered by the Mimbari. Multi-Crossover now.
Crossover - Babylon 5 & Stargate: SG-1 - Rated: T - English - Adventure/Sci-Fi - Chapters: 10 - Words: 11,494 - Reviews: 124 - Favs: 140 - Follows: 192 - Updated: 6/16/2017 - Published: 2/8/2017 - OC, OC
Strange day by Arawn D. Draven reviews
SG-1 thought they had seen everything in their explorations of the Galaxy. But were they ready to meet Earth's Greatest Hero and his Apprentice?
Crossover - Stargate: SG-1 & One Punch Man/ワンパンマン - Rated: T - English - Sci-Fi/Humor - Chapters: 1 - Words: 3,386 - Reviews: 27 - Favs: 243 - Follows: 106 - Published: 6/15/2017 - Saitama, Genos - Complete
The Homeworld Security Job by Terapsina reviews
Eliot Spencer is ten minutes away from closing the brewpub for the night when a four-star general dressed in civvies walks through the front door. It'd be fine if the general needed just him, unfortunately the Stargate Program has an urgent need for some trustworthy high class thieves.
Crossover - Stargate: SG-1 & Leverage - Rated: T - English - Sci-Fi/Friendship - Chapters: 4 - Words: 11,898 - Reviews: 16 - Favs: 23 - Follows: 34 - Updated: 6/5/2017 - Published: 6/1/2017 - [Parker, Alec H.] J. O'Neill, Eliot S. - Complete
Mit freündlichen Grüßen by Am17 reviews
Gibbs und O Neill treffen aufeinander
Crossover - Stargate: SG-1 & NCIS - Rated: K+ - German - Chapters: 1 - Words: 2,079 - Reviews: 1 - Favs: 7 - Follows: 4 - Published: 6/4/2017 - J. O'Neill, Leroy Jethro Gibbs - Complete
The Aftermath: The End by fmfan1980 reviews
Sequel to 'The Aftermath'. This takes place two years after the destruction of the device that would have sent Vala and Daniel to the Ori galaxy. Since the device was destroyed, there was no Ori. A new teams heads to the Twelve Colonies of Kobol where they meet up with teh ned of days *Updating all chapters and will be uploaded as a new story.*
Crossover - Stargate: SG-1 & Battlestar Galactica: 2003 - Rated: T - English - Chapters: 31 - Words: 114,555 - Reviews: 129 - Favs: 154 - Follows: 216 - Updated: 6/2/2017 - Published: 6/3/2016
The Slayer's New Hope by lateVMlover reviews
Set in season 5 of Buffy. When Joyce realizes she's sick, she decides it's time to tell her daughters the truth about who their father is. This story will feature SG-1 characters but set primarily in Sunnydale. Teal'c most featured SG-1 character besides Daniel. Jack, Cameron Mitchell, and Sam also featured.
Crossover - Buffy: The Vampire Slayer & Stargate: SG-1 - Rated: K+ - English - Drama/Family - Chapters: 20 - Words: 72,783 - Reviews: 109 - Favs: 328 - Follows: 253 - Updated: 5/27/2017 - Published: 11/22/2016 - Buffy S., Dawn S., D. Jackson, Teal'c - Complete
Contact at Kobol by wilkins75 reviews
The scrolls tell that 13 tribes left the birthplace of humanity on Kobol, 12 went one way and the other Earth went another only to lose all contact with their cousins. It is written that one day they would reunite but when they Earth meets their cousins it is not what they expected and it would cost both sides in blood. (Stargate SG1/Battlestar Galactica)
Crossover - Stargate: SG-1 & Battlestar Galactica: 2003 - Rated: T - English - Adventure - Chapters: 80 - Words: 478,758 - Reviews: 5332 - Favs: 1,644 - Follows: 1,521 - Updated: 5/25/2017 - Published: 3/20/2015 - Complete
Lost in Time and Space by FleaBee reviews
The Stargate malfunctions sending SG-1 three million years into the future aboard the mining ship Red Dwarf.
Crossover - Stargate: SG-1 & Red Dwarf - Rated: T - English - Sci-Fi - Chapters: 9 - Words: 34,434 - Reviews: 14 - Favs: 17 - Follows: 17 - Updated: 5/18/2017 - Published: 10/29/2015 - Complete
Exodus of the 41st Millennium by FlameDaemon0 reviews
The Emperor enacts a plan he spent thousands of years forming to save a number of races of the galaxy, but Chaos has interfered and the people to be saved have be scattered throughout another universe and small groups of each races are put out into the unknown to discover their new reality.
Crossover - Warhammer & Stargate: SG-1 - Rated: T - English - Sci-Fi/Adventure - Chapters: 3 - Words: 3,340 - Reviews: 9 - Favs: 19 - Follows: 30 - Updated: 5/17/2017 - Published: 4/2/2017 - Imperial Guard, Space Marines
Unexpected by guardianranger reviews
Daniel,John,Cameron,Samantha,Jack and Rodney-meet their kids by accident.There life isn't what to seem to be. A Green light will send the SG-1 and SG-2 back to the past.
Crossover - Stargate: SG-1 & Stargate: Atlantis - Rated: K+ - English - Family - Chapters: 8 - Words: 6,887 - Reviews: 7 - Favs: 7 - Follows: 9 - Updated: 5/16/2017 - Published: 1/2/2011
La prochaine fois, peut-être by Melian24 reviews
Le Docteur a toujours eu l'art et la manière de se retrouver dans des situations critiques. Aujourd'hui ne fait pas exception, seulement, il n'est pas le seul. Cross Over Doctor Who/Stargate SG-1.
Crossover - Doctor Who & Stargate: SG-1 - Rated: K - French - Humor - Chapters: 1 - Words: 3,708 - Reviews: 6 - Favs: 3 - Follows: 3 - Published: 5/14/2017 - 8th Doctor, Lucie M., S. Carter, J. O'Neill - Complete
SWITCHED by Greedy-Ghost reviews
So the characters from Stargate SG-1, Supernatural and Doctor Who walk into a bar...And some freaky stuff happens, Daniel and The Doctor discuss an alien chant with an odd side-effect- transferring souls. Will they figure out a way to ever get back to normal? ((reviews are welcomed! Takes place season 2 of Stargate, series 2 of DW and season 1 of Supernatural. Just bear with me! :D
Crossover - Doctor Who & Stargate: SG-1 - Rated: T - English - Sci-Fi/Humor - Chapters: 10 - Words: 7,391 - Reviews: 11 - Favs: 6 - Follows: 11 - Updated: 5/10/2017 - Published: 8/27/2013 - 10th Doctor, Rose T., D. Jackson, J. O'Neill - Complete
Father's Day by Schwester Aurelia
Madison Miller explains to her cousin Nemia Sheppard McKay what a "Father's Day" is. Nemmy is, of course, all for it. Kid Fic, Happy fluff, no Angst. :)
Crossover - Stargate: SG-1 & Stargate: Atlantis - Rated: K - English - Family/Sci-Fi - Chapters: 1 - Words: 4,135 - Favs: 3 - Follows: 1 - Published: 5/7/2017 - D. Jackson, J. O'Neill, Rodney M., John S. - Complete
Stargate Galaxie by Effijy reviews
Atlantis est sur la Lune, la CIS réorganise le SGC et l'allience luxienne est de plus en plus redoutable. Comment SG1 va, encore, sauver la Terre et remettre de l'ordre dans la galaxie? Principalement dans l'univers d'SG1. Presque tous les personnages des deux séries sont présents. [Jack&Sam] pre [Daniel&Vala]
Crossover - Stargate: SG-1 & Stargate: Atlantis - Rated: K - French - Adventure/Sci-Fi - Chapters: 14 - Words: 51,413 - Reviews: 4 - Favs: 5 - Follows: 2 - Updated: 5/1/2017 - Published: 1/7/2017 - [J. O'Neill, S. Carter] C. Mitchell, OC - Complete
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