Stargate: SG-1 Crossovers
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Stargate: Archaic Stratagem V2 by Red Leader reviews
After Charly Burke overload the weapon she created, she caused a tear in the fabric of time and space. She found herself in another universe she's not familiar with and found her doppelganger. Charlotte Burke Sheppard husband has been kidnapped by Cerberus and she joins David Sheppard, Chaya's grandson to search for Anakin John Sheppard. Stargate, Orville and Mass Effect
Crossover - Stargate: SG-1 & Orville - Rated: K+ - English - Romance/Sci-Fi - Chapters: 21 - Words: 65,730 - Reviews: 1 - Favs: 11 - Follows: 11 - Updated: 7h - Published: 9/23
Gateway to infinity by nightreddust reviews
Ex-special forces operative Alex Mercer discovers a mysterious device that allows him to traverse the multiverse. As he explores diverse alternate realities, he encounters different versions of himself and faces unique challenges.
Crossover - Stargate: SG-1 & Harry Potter - Rated: M - English - Chapters: 4 - Words: 3,847 - Reviews: 3 - Favs: 7 - Follows: 10 - Updated: 10/29 - Published: 10/12
The Chosen One, The Beginning, by Alone-again-always reviews
Ron and Tara have no idea what the universe really had installed for them, and to tell the truth, nor do I. Will our heroes start another civil war in another galaxy? we just have too wait and see. R&R
Crossover - Kim Possible & Stargate: SG-1 - Rated: T - English - Sci-Fi/Drama - Chapters: 19 - Words: 32,798 - Reviews: 3 - Favs: 27 - Follows: 29 - Updated: 10/28 - Published: 4/23 - [Ron S., Tara, Bonnie R., Kim P.]
Stargate Atlantis Trading Grounds I: Birth Of The SGA by BazzCatgirl03 reviews
After surviving a fatal assault at his apartment, Daniel Jackson is transferred to the SGA, under the military command. And of General Hank Landry, deciding this is the chance to start his life over. As he and Teal'C, after the cruel and cold blooded betrayal the year before. Of their team, they leave the SGC and start a new life. Alternate Forever In A Day main character bashing.
Crossover - Stargate: SG-1 & StarTrek: The Next Generation - Rated: T - English - Sci-Fi/Angst - Chapters: 170 - Words: 1,809,850 - Reviews: 6 - Favs: 11 - Follows: 17 - Updated: 10/27 - Published: 1/23 - J. Picard, D. Jackson, Teal'c, Gen. Landry - Complete
Robotech: The Stargate Saga: Otherworld by andrewjameswilliams reviews
AU set in the Stargate Saga fusion universe. What might have happened if they had discovered the Stargate a few years after the arrival of the SDF 1 on Earth and how would it effect the events of the First Robotech War?
Crossover - Stargate: SG-1 & Robotech/Macross - Rated: T - English - Sci-Fi/Adventure - Chapters: 5 - Words: 23,514 - Reviews: 32 - Favs: 67 - Follows: 89 - Updated: 10/27 - Published: 9/5 - J. O'Neill, Charlie O., Lisa/Misa, Rick/Hikaru
Space Wizards: Alien Legacy by yoden reviews
Book 2: Ending a civil war before coming of age was supposed to be the hard part. Leaving Earth behind, the crew of the Requirement had signed up for a grand adventure across the galaxy; exploring strange and wonderful worlds as they uncovered the secrets left behind by the shipbuilders ... Unfortunately, the rest of the galaxy decided to throw a wrench in the gears.
Crossover - Stargate: SG-1 & Harry Potter - Rated: T - English - Sci-Fi/Drama - Chapters: 2 - Words: 15,149 - Reviews: 12 - Favs: 56 - Follows: 93 - Updated: 10/27 - Published: 9/22 - Harry P., Ginny W., Terry B., Zacharias S.
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: 100 - Favs: 278 - Follows: 349 - Updated: 10/26 - Published: 6/24/2019 - T. Lasky, S. Carter
Stargate Etheria by Starfox5 reviews
Entering a gate leading to an unknown planet while dodging fire wasn't too uncommon for SG-1. Meeting strange new people wasn't unusual either for the Best Friends Squad. But figuring out how to deal with each other, the remnants of the Horde Clones and the Goa'uld threat without a D.H.D. for the Stargate on Etheria? That was new for both.
Crossover - Stargate: SG-1 & She-Ra and the Princesses of Power - Rated: T - English - Adventure/Sci-Fi - Chapters: 162 - Words: 1,108,231 - Reviews: 427 - Favs: 204 - Follows: 221 - Updated: 10/26 - Published: 9/25/2021 - [Adora/She-Ra, Catra] S. Carter, J. O'Neill
The Road to Armaggeddon by Chris Alexander the Bearded reviews
A stargate: SG-1 - Battlestar Galactica :2003 crossover in our current timeline. After years of peace and prosperity in the Galaxy achieved by the Stargate Command, several factions decide to join efforts and put an end to the Tau'ri supremacy.
Crossover - Stargate: SG-1 & Battlestar Galactica: 2003 - Rated: K - English - Sci-Fi/Adventure - Chapters: 5 - Words: 15,974 - Reviews: 25 - Favs: 40 - Follows: 45 - Updated: 10/26 - Published: 11/7/2023
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: 11 - Favs: 70 - Follows: 60 - Published: 10/20 - [Harry P., Daphne G.] [Hermione G., Tracey D.] - Complete
The Alterans Resurgence by Michael Donovan2 reviews
The 12 colonies origins are not what they seem and now those who came before look on and decide to change the outcome.
Crossover - Stargate: SG-1 & Battlestar Galactica: 2003 - Rated: T - English - Sci-Fi - Chapters: 36 - Words: 116,084 - Reviews: 231 - Favs: 163 - Follows: 231 - Updated: 10/19 - Published: 6/6
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
SG Universes at War by celian Cogitore reviews
In a parallel universe, the Tau'ri faces a bloody war between the Systems Lords Anubis and Apophis. The situation is affected by the arrival of a strange character: 'Gilgamesh, the King of Heroes'. The Golden King is looking for Hakuno Kishinami (F) his 'Master'... and woe to the one who will cross his way, that they are false gods or whole aliens civilizations.
Crossover - Stargate: SG-1 & Fate/stay night - Rated: T - English - Sci-Fi/Supernatural - Chapters: 28 - Words: 136,247 - Reviews: 183 - Favs: 359 - Follows: 447 - Updated: 10/19 - Published: 10/12/2022 - [Hakuno K., Gilgamesh] J. O'Neill, Ba'al
Aim High: A Stargate Tale by lateVMlover reviews
Buffy is the daughter of Jack and Joyce O'Neill when his son Charlie dies. This is a total reworking of BTVS season 1 as Buffy O'Neill is not exactly the same person Hank Summers would've raised. How does Sunnydale handle not having her there?
Crossover - Buffy: The Vampire Slayer & Stargate: SG-1 - Rated: T - English - Family/Hurt/Comfort - Chapters: 5 - Words: 18,396 - Reviews: 22 - Favs: 39 - Follows: 63 - Updated: 10/19 - Published: 9/8
EVoNet Forward by Night Raydes reviews
The world was changing but mage couldn't see the need to change too. They forced Harry away in fear, banished from the magical world with his magic sealed away. He had a dream too big for the 'light' or the 'dark' wishing to bring magic to all who had a wish for something more. Though, his power was bound; he could see the way forward beyond his troubles.
Crossover - Harry Potter & Stargate: SG-1 - Rated: M - English - Sci-Fi/Fantasy - Chapters: 27 - Words: 106,958 - Reviews: 143 - Favs: 1,021 - Follows: 1,253 - Updated: 10/17 - Published: 4/20/2020 - [Harry P., Daphne G.] [Draco M., Astoria G.]
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: 152 - Favs: 698 - Follows: 1,088 - Updated: 10/14 - Published: 11/23/2022 - Harry P.
Valyrian Steel, Obsidian and Plasma by vardax reviews
a StarGate on planetos
Crossover - Stargate: SG-1 & Game of Thrones - Rated: T - English - Sci-Fi/Adventure - Chapters: 5 - Words: 13,128 - Reviews: 21 - Favs: 34 - Follows: 54 - Updated: 10/14 - Published: 5/8
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: 54 - Updated: 10/14 - Published: 2/7
My Minions by Kody Wright 2 reviews
Jack find himself the new boss of the Minions after they cross over from the mirror. Daniel discovers his foster brother is not what he seems.
Crossover - Stargate: SG-1 & Despicable Me - Rated: K+ - English - Chapters: 3 - Words: 6,905 - Reviews: 1 - Favs: 7 - Follows: 9 - Updated: 10/11 - Published: 9/30
Worlds Appart by Old Toad
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 - Favs: 2 - Follows: 2 - Published: 10/5 - Buffy S., D. Jackson - Complete
Humanité by Audragon reviews
La mort était douloureuse. Et lorsqu'on était Maître de la Mort, elle était aussi pleine de révélations. Mais lorsqu'on l'était, ce passage n'était que le début, le début vers une nouvelle existence dans laquelle la Mort elle même devenait une protectrice offrant une voie d'accomplissement pour celui qu'elle avait choisi...
Crossover - Stargate: SG-1 & Harry Potter - Rated: T - French - Fantasy/Sci-Fi - Chapters: 38 - Words: 311,128 - Reviews: 354 - Favs: 324 - Follows: 336 - Updated: 10/3 - Published: 1/10/2023 - C. Kawalsky, Thor, Harry P.
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: 33 - Follows: 51 - 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: 123 - Follows: 154 - Updated: 9/30 - Published: 12/16/2021
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