Stargate: SG-1 Crossovers
Filters
3.1K | « Prev Page 1 2 3 4 5 12 .. Last Next »

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: 3 - Words: 13,234 - Reviews: 25 - Favs: 134 - Follows: 173 - Updated: 1/11 - Published: 6/24/2019 - T. Lasky, S. Carter
ИксЗВКом: Зеркальное отражение by bbor1974
Перевод XSGCOM: Goa'uld Defence(Mirror Image) Оригинал: tthf .me/86hU
Crossover - Stargate: SG-1 & X-Com - Rated: T - Russian - Adventure - Chapters: 26 - Words: 123,040 - Favs: 4 - Follows: 2 - Updated: 1/11 - Published: 3/10/2021
Requiem III by bearhug562000
People are acting weirder than usual in Sunnydale...
Crossover - Buffy: The Vampire Slayer & Stargate: SG-1 - Rated: M - English - Fantasy/Sci-Fi - Chapters: 3 - Words: 3,427 - Favs: 1 - Follows: 2 - Updated: 1/10 - Published: 9/27/2021 - Buffy S., Faith L., J. O'Neill, Teal'c
Harry Headlines At Glastonbury by tyrannicpuppy reviews
Since the war, Harry has taken to exploring long-forgotten places as a chance to escape his extensive and unwanted fame. But what he found in the depths of Glastonbury Tor will change not only his own life, but the future of all.
Crossover - Stargate: SG-1 & Harry Potter - Rated: T - English - Adventure/Sci-Fi - Chapters: 11 - Words: 67,285 - Reviews: 263 - Favs: 1,102 - Follows: 1,646 - Updated: 1/9 - Published: 10/1/2021 - [Harry P., Hermione G.] Luna L., Merlin
Conte de noël by atlantis-des-etoiles reviews
Petit recueil des courtes fanfics écrites pour mon calendrier de l'avant stargate . De la neige, de l'esprit de noël, de vieilles ruines, quelques wraiths, et nos équipes d'explorations préférées. Histoires sur SG-1, SGA et SGU.
Crossover - Stargate: SG-1 & Stargate: Atlantis - Rated: K - French - Adventure - Chapters: 10 - Words: 6,606 - Reviews: 6 - Favs: 4 - Follows: 1 - Updated: 1/8 - Published: 12/3/2017 - D. Jackson, John S., Teyla E. - Complete
Christmas tale by atlantis-des-etoiles reviews
Small collection of short fanfics written for my stargate advent calendar. Snow, Christmas spirit, old ruins, some wraiths, and our favorite teams of intergalactic explorations. Stories about SG-1, SGA and SGU.
Crossover - Stargate: SG-1 & Stargate: Atlantis - Rated: K - English - Adventure - Chapters: 10 - Words: 6,206 - Reviews: 1 - Follows: 1 - Updated: 1/8 - Published: 12/3/2017 - D. Jackson, John S., Teyla E. - Complete
A Strange Happenstance by Mini Goat reviews
Sam and Jack are given a mission to track down missing scientists and the alien technology they have stolen only to run into another agency entirely when they stake out the thieves. SHIELD agents are looking for the missing scientists too.
Crossover - Stargate: SG-1 & Marvel - Rated: M - English - Humor/Mystery - Chapters: 14 - Words: 35,514 - Reviews: 62 - Favs: 30 - Follows: 50 - Updated: 1/7 - Published: 9/23/2021 - [J. O'Neill, S. Carter] Nick Fury Jr.
A New Tournament by killgore444 reviews
A gift from the future provides a little bit of hope in a time of need. OP Harry, Ron and Hermione, but with a plausible background to support it. No bashing, even of disliked characters.
Crossover - Stargate: SG-1 & Harry Potter - Rated: T - English - Chapters: 7 - Words: 64,854 - Reviews: 116 - Favs: 324 - Follows: 518 - Updated: 1/5 - Published: 4/12/2020
Star King by overlord susanoo reviews
In a new universe far far away full of aliens and combat Danny is now trying to build an empire. There are many that would stand in his way from this universe and beyond. In the end he will strive to stand above all of them.
Crossover - Stargate: SG-1 & Danny Phantom - Rated: M - English - Chapters: 16 - Words: 78,105 - Reviews: 13 - Favs: 105 - Follows: 112 - Updated: 1/5 - Published: 5/10/2019 - Danny F.
Fighting with Family by lateVMlover reviews
This story takes place in February of Season 2 of BTVS. Instead of Angelus killing Jenny, he kills Buffy's mother Joyce, so she calls her uncle, Colonel Jack O'Neil, who learns who his niece is and what has been happening on Earth. Eventually, Faith joins the story with an original character for her Watcher.
Crossover - Buffy: The Vampire Slayer & Stargate: SG-1 - Rated: K - English - Family/Hurt/Comfort - Chapters: 20 - Words: 80,753 - Reviews: 178 - Favs: 183 - Follows: 274 - Updated: 1/2 - Published: 8/28/2020 - Buffy S., R. Giles, D. Jackson, J. O'Neill - Complete
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: 18 - Words: 246,936 - Reviews: 2597 - Favs: 5,844 - Follows: 7,250 - Updated: 1/2 - Published: 1/7/2018 - S. Carter, D. Jackson, J. O'Neill, Harry P.
This Isn't Kansas 2: Homefront by andrewjameswilliams reviews
After two and a half years in another reality the Odyssey has returned home to find a galaxy in chaos and facing a greater threat than ever before.
Crossover - Stargate: SG-1 & Robotech/Macross - Rated: K+ - English - Adventure/Sci-Fi - Chapters: 1 - Words: 5,005 - Reviews: 20 - Favs: 66 - Follows: 90 - Published: 1/2 - Braítac, S. Carter, Gen. Landry, L. Ferretti
A Spark of Hope by KokoroFate reviews
When Fate Harlaown and Nanoha Takamatchi evacuate the Arthra from an attack of the Akuryo, they find themselves in the middle of a battle between the SG-1 Team and the Goa'uld, but their biggest challenge yet: They must defeat the Akuryo and save both Earth, and the Time-Space Administration Bureau from obliteration...
Crossover - Stargate: SG-1 & Magical Girl Lyrical Nanoha - Rated: T - English - Sci-Fi/Drama - Chapters: 1 - Words: 367 - Reviews: 1 - Favs: 6 - Follows: 8 - Published: 1/1 - S. Carter, J. O'Neill, Fate T., Nanoha T.
Descent of Midnight by ivedonestranger
Worlds have lived happily without knowledge of the ancient entity in the void. Phil Coulson though learns of it and must lead a team from many universes to stop this creature from destroying the very fabric of countless realities.
Crossover - Stargate: SG-1 & Agents of S.H.I.E.L.D. - Rated: M - English - Chapters: 4 - Words: 5,910 - Favs: 1 - Follows: 1 - Published: 1/1 - J. O'Neill, P. Coulson
After Stasis by CallMeSabinaPlease reviews
Chapter 1: Colonel Young and TJ wake up on eerily silent destiny. They check all the pods, but nobody else seems to be waking up. Later a schreeching sound catches their attention. Are people from Earth alone on the ship? What has happened when they were all in stasis? SG-1 and Atlantis characters will be making appearances. More reviews means more chapters!
Crossover - Stargate: SG-1 & Stargate: Universe - Rated: T - English - Sci-Fi/Drama - Chapters: 3 - Words: 2,635 - Reviews: 1 - Follows: 6 - Updated: 12/31/2021 - Published: 10/21/2021 - J. O'Neill, Eli W., Col. E. Young, OC
Crown Prince of the Alterans by Force Wraith reviews
Destiny was not released alone, he was the heir to the Lateran Empire. What will he do when he wakes up for sixty million years and finds that the Alterans are almost extinct.
Crossover - X-overs & Stargate: SG-1 - Rated: T - English - Chapters: 4 - Words: 10,175 - Reviews: 14 - Favs: 38 - Follows: 55 - Updated: 12/30/2021 - Published: 8/11/2021 - OC
Finding Home Book 1: Lost and Found by Little Angel's Perk reviews
Max was moved from the location he was originally brought to at Area 51, only he was drugged when it happened. Because of this change the Pod-Squad's rescue attempt failed & he ended up spending more time in the care of Pierce & his team. SG-1 is at Area 51 to reclaim stolen SGC property from the NID, stumble across the White Room & it's resident. Of course they have to rescue him.
Crossover - Stargate: SG-1 & Roswell - Rated: M - English - Drama/Sci-Fi - Chapters: 7 - Words: 51,777 - Reviews: 3 - Favs: 7 - Follows: 5 - Updated: 12/29/2021 - Published: 12/21/2021 - J. O'Neill, Teal'c, Jim V., Max E. - Complete
To Our Own: Apocryphal by Jacob M. Bosch reviews
A Ship of the Line Story. In this sequel to To Our Own, freed from their enslavement by the magically created Borg, the New Collective takes steps to ensure their survival. With Xander Harris as its de facto leader, the New Collective face their first major threat when Apophis and his son come to destroy Earth and all of humanity.
Crossover - Buffy: The Vampire Slayer & Stargate: SG-1 - Rated: T - English - Sci-Fi - Chapters: 12 - Words: 39,716 - Reviews: 85 - Favs: 234 - Follows: 300 - Updated: 12/28/2021 - Published: 3/1/2021 - Xander H., Willow R., D. Jackson, J. O'Neill - Complete
Tony DiNozzo and the Stargate by Cookietown reviews
Tony finds out about the Stargate. Two worlds meet. Perhaps Tony leaves NCIS. This story has side stories. CH.5 17 k words *********** # Challenge: Write a story which starts with one of the chapters or a different Stargate-NCIS story.#Prompts *****Disclaimer: I don't own Stargate SG1 or Stargate Atlantis or NCIS.
Crossover - Stargate: SG-1 & NCIS - Rated: T - English - Sci-Fi/Suspense - Chapters: 10 - Words: 35,422 - Reviews: 17 - Favs: 31 - Follows: 44 - Updated: 12/24/2021 - Published: 3/17/2020 - J. O'Neill, Teal'c, Tony D.
SG1 meets Shinobi by Cookietown reviews
More than just Sg1 come through the Stargate. The SGC meets powerfull Shinobis like Itachi and Gaara. How will they react? What will happen on "Naruto/ Shinobi" planet? How will the ninjas react to a P-90? ****Disclaimer: I don't own Naruto or Stargate SG-1.
Crossover - Stargate: SG-1 & Naruto - Rated: M - English - Adventure/Sci-Fi - Chapters: 4 - Words: 1,219 - Reviews: 6 - Favs: 19 - Follows: 32 - Updated: 12/24/2021 - Published: 6/30/2012 - S. Carter, Cassandra F., J. O'Neill, Itachi U. - Complete
The Wars of Legends Extra - Sidestories by Nameless2210 reviews
[AU] A collection of one-shots and multi-chapter short stories set in the Wars of Legends universe that did not warrant a separate book. [X-posted on AO3] [Femslash!] [Fem!Harry Potter] [Trigger warnings at the start of each chapter] [Mainly set in the Stargateverse]
Crossover - X-overs & Stargate: SG-1 - Rated: M - English - Sci-Fi/Drama - Chapters: 20 - Words: 48,164 - Reviews: 42 - Favs: 96 - Follows: 69 - Updated: 12/23/2021 - Published: 8/31/2019 - Complete
Voyage of the Cha’tahr by CPB99 reviews
Sequel to The Sixth Race: In a test flight gone wrong, Conrad gets send to the Pegasus Galaxy. In debt to his saviors he joins yet another war against an enemy possibly responsible for the extinction of his race. And he must survive being light-years away from his love.
Crossover - Stargate: SG-1 & Stargate: Atlantis - Rated: T - English - Sci-Fi/Adventure - Chapters: 26 - Words: 40,934 - Reviews: 2 - Favs: 6 - Follows: 4 - Updated: 12/22/2021 - Published: 7/13/2021 - OC, S. Carter, John S., Elizabeth W.
Lullabies for a New Generation by Tanista2 reviews
Three couples embark on what could be their greatest adventure yet. (Ad Astra 'verse)
Crossover - Stargate: SG-1 & MacGyver - Rated: T - English - Family/Romance - Chapters: 3 - Words: 11,699 - Reviews: 1 - Favs: 2 - Follows: 1 - Published: 12/12/2021 - S. Carter, D. Jackson, J. O'Neill, MacGyver - Complete
A Stranded Hero by Wrath of The Sun Deity reviews
Ben Tennyson is stranded in a new universe, with absolutely no hope of ever returning. Can he make the best out of a terrible situation or will he allow a bad situation to control the rest of his life?
Crossover - Stargate: SG-1 & Ben 10 - Rated: M - English - Adventure/Friendship - Chapters: 6 - Words: 55,553 - Reviews: 96 - Favs: 229 - Follows: 254 - Updated: 12/10/2021 - Published: 3/3/2017 - S. Carter, D. Jackson, J. O'Neill, Ben T.
StarSeeD by Yui Yuria reviews
To Start FF8 at the same time as SG1, a few changes might have to be made. Rinoa, Quistis, Samantha, Sha're are but a few characters in this crossover story. But why does a story have to always have a male protagonist?
Crossover - Stargate: SG-1 & Final Fantasy VIII - Rated: M - English - Supernatural/Sci-Fi - Chapters: 3 - Words: 4,063 - Reviews: 1 - Favs: 1 - Updated: 12/9/2021 - Published: 8/10/2021 - S. Carter, Sha're, Quistis T., Rinoa H.
3.1K | « Prev Page 1 2 3 4 5 12 .. Last Next »