Stargate: SG-1 Crossovers
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Empires Unite! Milky Way by SapphireDawn11709 reviews
When the SGC Destroys the Quantum Mirror after the incident were Doctor Carter and Major Kawasaki appear in Area 51a ripple was sent across the multiverse. When this ripple hit a Forerunner portal chaos ensues as fleets from three universe appear in the Milky Way. Starship Troopers, Mass Effect, Halo Stargate
Crossover - Stargate: SG-1 & Halo - Rated: M - English - Sci-Fi - Chapters: 8 - Words: 31,388 - Reviews: 104 - Favs: 284 - Follows: 361 - Updated: 10/26 - Published: 6/24/2019 - T. Lasky, S. Carter
Stargate: The Last Ship by Red Leader reviews
Stargate/DS9/TNG/Voyager/The Last Ship crossover. Ba'al ascended to a higher plane of existence after escaping capture, he descended into a universe and took control of the Dominion to take back what he lost.
Crossover - Stargate: SG-1 & StarTrek: Deep Space Nine - Rated: K - English - Sci-Fi - Chapters: 15 - Words: 44,814 - Reviews: 10 - Favs: 11 - Follows: 14 - Updated: 10/22 - Published: 2/2
Against The Odds by Amaraldane by CopyOthers reviews
Harry Potter and Daphne Greengrass find an unlikely way to go back and have a second chance... sort of. Whatever may come is bound to be better than what they had left behind - they just had to die to get their second chance. #Dimension Travel #Time Travel #Rape #Nudity #Exhibition #Metamorphmagus #Manipulative Dumbledore #Independent Harry & Daphne #Weasley Bashing #Wards
Crossover - Harry Potter & Stargate: SG-1 - Rated: M - English - Adventure - Chapters: 39 - Words: 518,412 - Reviews: 23 - Favs: 177 - Follows: 144 - Published: 10/20 - [Harry P., Daphne G.] [Hermione G., Tracey D.] - Complete
Final Voyage by Red Leader reviews
After the Tau'ri Federation built a stargate that can traverse across dimension, ending the war with the Dominion before it started and apprehended Ba'al, UFP Council disbanded Starfleet that forces the Tau'ri Federation military and stretching them too thin to defend the UFP.
Crossover - StarTrek: Voyager & Stargate: SG-1 - Rated: K - English - Sci-Fi/Adventure - Chapters: 4 - Words: 7,165 - Reviews: 2 - Favs: 14 - Follows: 14 - Updated: 10/19 - Published: 3/25
Gradients by Lepton reviews
Harry and friends unwittingly change the fate of the galaxy. An exploration of magic, technology, ascent and descent.
Crossover - Stargate: SG-1 & Harry Potter - Rated: T - English - Sci-Fi/Adventure - Chapters: 5 - Words: 54,578 - Reviews: 153 - Favs: 725 - Follows: 1,127 - Updated: 10/14 - Published: 11/23/2022 - Harry P.
Magic by Kody Wright 2 reviews
Crossover with Harry Potter. OC, AU. Sam's old friend from her childhood comes to the SGC with a secret. Professor Snape is trapped off world protecting kids from Morgan Le Fey. Jack finds out he can do magic.
Crossover - Stargate: SG-1 & Harry Potter - Rated: K - English - Chapters: 8 - Words: 19,469 - Reviews: 15 - Favs: 32 - Follows: 55 - Updated: 10/14 - Published: 2/7
Worlds Apart by Old Toad reviews
After the end of their respective fifth seasons, Buffy Summers and Daniel Jackson meet.
Crossover - Buffy: The Vampire Slayer & Stargate: SG-1 - Rated: K+ - English - Sci-Fi/Fantasy - Chapters: 1 - Words: 953 - Reviews: 2 - Favs: 5 - Follows: 3 - Published: 10/5 - Buffy S., D. Jackson - Complete
Stargate Neue Möglichkeiten by Morgroth reviews
Hallo ich habe diese Story zuerst auf der deutschen Fanfiktion Seite hochgeladen, da dort leider die Stargate Community äußert schwach ist dachte ich vielleicht ist hier das Interesse größer. Atlantis ist nachdem Kampf gegen das Wraithbasisschiff wieder auf der Erde und nach dem in der Milchstraße auch die Ori besiegt sind beginnen große Veränderungen, doch was heißt dies für die
Crossover - Stargate: SG-1 & Stargate: Atlantis - Rated: M - German - Sci-Fi/Adventure - Chapters: 1 - Words: 64,090 - Reviews: 1 - Favs: 1 - Follows: 2 - Published: 10/2
HALO-STARGATE: All the Stars in the Sky: Book I by Spartan-076A reviews
The UNSC will have to navigate a galaxy poised to rip itself apart between the ambitions of the System Lords and the scheming of the San'Shyuum Hierarchs. Will humanity triumph and rise victorious from these trials, or will it fall by the hands of its enemies? Only time will tell.
Crossover - Stargate: SG-1 & Halo - Rated: M - English - Sci-Fi - Chapters: 2 - Words: 10,761 - Reviews: 8 - Favs: 37 - Follows: 59 - Updated: 10/1 - Published: 8/1 - S. Carter, Gen. Hammond, J. O'Neill, Master Chief/John-117
Nephalem Outlaws by MetalSaiyan88 reviews
I died and was Reborn in Narutoverse only things didn't make sense, Minato is alive, Naruto has twin sisters wait he doesn't have Chakra, and is that a Stargate, what the hell is going on here... will have crossover with Mass effect, Star wars and Diablo... also Naruto pairing with Liara T'soni, Talizorah and Ashoka Tano.
Crossover - Stargate: SG-1 & Naruto - Rated: T - English - Adventure/Drama - Chapters: 21 - Words: 70,189 - Reviews: 32 - Favs: 126 - Follows: 158 - Updated: 9/30 - Published: 12/16/2021
AEJ Spotlights by fmfan1980 reviews
A series of shorts involving characters from AEJ.
Crossover - Stargate: SG-1 & Buffy: The Vampire Slayer - Rated: K+ - English - Drama - Chapters: 2 - Words: 4,324 - Reviews: 4 - Favs: 5 - Follows: 6 - Updated: 9/30 - Published: 9/28 - [Willow R., Faith L.]
A White Knight Amongst The Stars by cdog21 reviews
In trying to stop Willow from ending the world, Xander Harris found himself banished to another reality. In this new world, he must now deal with the trials and tribulations that accompany being the host to a Goa'uld.
Crossover - Buffy: The Vampire Slayer & Stargate: SG-1 - Rated: M - English - Sci-Fi/Adventure - Chapters: 2 - Words: 13,056 - Reviews: 10 - Favs: 75 - Follows: 113 - Updated: 9/27 - Published: 1/19
Ship of the Line: Far Traveler by Worldmaker reviews
My response to Zaion's Ship of the Line challenge on Twisting the Hellmouth. The Scoobies wake up after Halloween to find themselves in orbit, at the controls of a powerful warship from a thousand years in the future. How will their new circumstances affect a 21st Century Earth that is already embroiled in a secret interstellar war? Rated M for mature language and situations.
Crossover - Buffy: The Vampire Slayer & Stargate: SG-1 - Rated: M - English - Chapters: 6 - Words: 54,298 - Reviews: 177 - Favs: 667 - Follows: 885 - Updated: 9/25 - Published: 6/28/2020 - Xander H.
Not Who I Think I Am by kattracks9599 reviews
When Loki's experiments on Jack O'Neill are uncovered, it's revealed that Sam Carter and Helen Magnus were also subjects. Now, SG-1 and the Sanctuary team must unite to stop ancient alien tech from falling into the wrong hands, while Sam and Helen discover their fates are deeply intertwined.
Crossover - Stargate: SG-1 & Sanctuary - Rated: T - English - Adventure/Drama - Chapters: 7 - Words: 45,484 - Reviews: 17 - Favs: 27 - Follows: 43 - Updated: 9/22 - Published: 2/9 - [S. Carter, J. O'Neill] [Helen M., Nikola T.]
Stumbling through Godhood by freeraynman reviews
If you could travel through alternate realities what would you do? Become a God and rule or chillback and go with the flow? Inspired heavily by 'Cruel To be Kind', '12 Steps To Omnipotence', 'Rise of an Empire' and a million and one other fanfics. If you see stuff and think that it's similar to another fanfic. it's probably because we read the same story and I liked that idea.
Crossover - Stargate: SG-1 & Harry Potter - Rated: M - English - Chapters: 26 - Words: 215,931 - Reviews: 754 - Favs: 2,157 - Follows: 2,678 - Updated: 9/20 - Published: 9/29/2021 - S. Carter, D. Jackson, J. O'Neill, OC
Harry Potter and The Chance at a New Life by kossboss reviews
A small change in Harry's battle with the Basilisk had him slowly absorbing Voldemort's memories from the Horcrux in his scar. Follow Harry as he makes preparations to leave the Wizarding world behind for good and embark on a long and exciting journey into the unknown. Little does Harry expect to be launched into a world of false gods and spaceships. Smart/Powerful/Grey Harry.
Crossover - Stargate: SG-1 & Harry Potter - Rated: T - English - Adventure/Sci-Fi - Chapters: 19 - Words: 267,757 - Reviews: 2996 - Favs: 7,143 - Follows: 8,655 - Updated: 9/18 - Published: 1/7/2018 - S. Carter, D. Jackson, J. O'Neill, Harry P.
My Empire Will Stand Above Heaven! by Dice-King reviews
My own version of Vexmasters story: Stargate Galactic Imperium where someone else gets a less powerful version of the multiverse and tries to conquer infinity.
Crossover - Stargate: SG-1 & X-overs - Rated: M - English - Adventure/Sci-Fi - Chapters: 1 - Words: 140 - Reviews: 2 - Favs: 6 - Follows: 11 - Published: 9/9 - OC
LOS NIÑOS DEL OCASO by aletan marxan reviews
Las Doce Colonias de Kobol no están solas como pensaban y la Vía Láctea tiene secretos y peligros, de los cuales aprender y huir. ¿Cómo responderán a ello?.
Crossover - Stargate: SG-1 & Battlestar Galactica: 2003 - Rated: T - Spanish - Chapters: 18 - Words: 101,832 - Reviews: 40 - Favs: 24 - Follows: 25 - Updated: 9/7 - Published: 4/30/2019
Les histoires infinies by amandinetrot
Ce sont des petits OS et des textes que j'ai faits pour un atelier d'écriture, que j'ai écrite seul ou avec d'autres personnes.
Crossover - Stargate: SG-1 & Vampire Diaries - Rated: M - French - Chapters: 10 - Words: 16,481 - Updated: 9/3 - Published: 2/26
Crossing of Paths by Aussiepupluvr reviews
The team must work with a very different group if they want to continue working their case. Will they be able to find the murderer of a Marine before someone else gets hurt? (NCIS and SG1)
Crossover - NCIS & Stargate: SG-1 - Rated: T - English - Hurt/Comfort/Friendship - Chapters: 23 - Words: 34,884 - Reviews: 71 - Favs: 65 - Follows: 102 - Updated: 9/1 - Published: 7/29/2011 - D. Jackson, J. O'Neill, Leroy Jethro Gibbs, Tim M. - Complete
Doorways by Mirrored Illusions reviews
The Slayer and half of SG-1 both intended to go somewhere specific that was most definitely not the ice cave they ended up in. (AFAD 2024)
Crossover - Buffy: The Vampire Slayer & Stargate: SG-1 - Rated: T - English - Chapters: 8 - Words: 6,584 - Reviews: 8 - Favs: 23 - Follows: 36 - Updated: 8/31 - Published: 8/1 - Buffy S., D. Jackson - Complete
Robotech: The Stargate Saga Version 21 by andrewjameswilliams reviews
Rewrite of Robotech: The Stargate Saga. As robotechnology changed humanities destiny a chance discovery beneath the Giza Plateau reveals an Ancient legacy and a deadly ancient threat.
Crossover - Stargate: SG-1 & Robotech/Macross - Rated: T - English - Chapters: 14 - Words: 76,732 - Reviews: 39 - Favs: 111 - Follows: 129 - Updated: 8/30 - Published: 4/25 - S. Carter, D. Jackson, Rick/Hikaru
Saving Grace Has Consquences by AJCorbie reviews
Grace thought she'd never see Sam Winchester again after her vacation. Boy was she wrong. Part 2 of the Saving Grace series, following Spring Flings. Some smut. Trigger warnings: Self-harm and depression.
Crossover - Supernatural & Stargate: SG-1 - Rated: T - English - Hurt/Comfort/Romance - Chapters: 11 - Words: 52,682 - Reviews: 1 - Favs: 1 - Follows: 2 - Updated: 8/30 - Published: 5/2/2017 - S. Carter, Cassandra F., Sam W., Dean W.
Mini Gate by Kody Wright 2 reviews
Multi crossovers. SG-1 is slung back to 1984 after the hiccup with the stargate. They discover a much smaller gate hidden in cave in the Mojave desert as a result and an unknown alien influence.
Crossover - Stargate: SG-1 & Airwolf - Rated: K+ - English - Adventure/Sci-Fi - Chapters: 20 - Words: 32,810 - Reviews: 22 - Favs: 16 - Follows: 28 - Updated: 8/29 - Published: 4/16
Pattern of the Stars by Knife Hand reviews
Captain Carter is caught up in something well beyond what she can scientifically explain. Now the Power that drives the universe is hers to command. Aes Sedai Carter. Stargate SG1/Wheel of Time cross through the vehicle of Buffy Halloween. AU. Chapters 1 and 2 up
Crossover - Stargate: SG-1 & Wheel of Time - Rated: M - English - Chapters: 2 - Words: 2,997 - Reviews: 12 - Favs: 38 - Follows: 56 - Updated: 8/28 - Published: 8/27 - S. Carter, J. O'Neill
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