Stargate: SG-1 Crossovers
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First Sights by Schwester Aurelia reviews
Lantis, the A.I. of the city of Atlantis, has known Torren since he was a little baby. Years later she gets an android body, and can finally communicate with him. This is the story of them through the years. No teenage sex, only kissing. Love and Fluff. Background slash pairing of Jack/Daniel.
Crossover - Stargate: SG-1 & Stargate: Atlantis - Rated: K+ - English - Romance/Family - Chapters: 1 - Words: 3,306 - Reviews: 1 - Favs: 3 - Follows: 1 - Published: 2/1/2018 - D. Jackson, J. O'Neill, Torren J. E., OC - Complete
Day of the Falcon by nomuse reviews
Controversial adventurer-archaeologist Lara Croft crosses paths with the top-secret Stargate project. Their quarry; an ancient parasite who has been playing god with Earth's history - and has designs on its future.
Crossover - Stargate: SG-1 & Tomb Raider - Rated: T - English - Adventure - Chapters: 28 - Words: 161,828 - Reviews: 74 - Favs: 169 - Follows: 268 - Updated: 1/29/2018 - Published: 7/8/2014 - S. Carter, D. Jackson, Lara Croft
Percussion by Laorus2289 reviews
Un tout nouveau monde s'ouvre au SGC, plus proche qu'ils ne le pensaient.
Crossover - Stargate: SG-1 & Harry Potter - Rated: K - French - Sci-Fi/Supernatural - Chapters: 1 - Words: 2,139 - Reviews: 15 - Favs: 39 - Follows: 39 - Published: 1/28/2018 - Complete
Stargate:TheButterFlyeffect Redux by trekki859 reviews
In chaos theory there's a concept known as sensitive dependence on initial conditions. most people call it the butterfly effect, this is a story of how one minor difference can change the course of history, of one women's quest to build a Utopian empire of freedom. inspired by Vexmasters Galactic Imperium. HALO ARC STARTED.
Crossover - Stargate: SG-1 & Halo - Rated: M - English - Sci-Fi/Adventure - Chapters: 23 - Words: 53,659 - Reviews: 40 - Favs: 100 - Follows: 102 - Updated: 1/27/2018 - Published: 12/6/2016 - S. Carter, D. Jackson, J. O'Neill, OC
The Wicked Rise Of The Weird God by JakeCrown reviews
A Goa'uld gets abandoned on Earth after the humans rebel against the gods. It must thrive or die. Thriving is harder than imagined as a world of demons, Gods, and vampires is opened to it.
Crossover - Buffy: The Vampire Slayer & Stargate: SG-1 - Rated: M - English - Sci-Fi/Horror - Chapters: 28 - Words: 126,972 - Reviews: 197 - Favs: 346 - Follows: 362 - Updated: 1/27/2018 - Published: 11/24/2016
Gateway Codex by Commander Kelec reviews
The codex in preparations for the new version of Gateway. Facts and historical events explaining how the galaxy looks as the story begins.
Crossover - Stargate: SG-1 & Halo - Rated: K - English - Sci-Fi - Chapters: 2 - Words: 1,494 - Reviews: 1 - Favs: 6 - Follows: 5 - Updated: 1/27/2018 - Published: 1/25/2018
Origins of Humanity by Aussie reviews
AU SG from mid Season 2. What would happen if SG1 gated to Caprica, three years before the Cylon Attack on the Colonies. What would happen if the SGC had access to the Colonies' industrial might early on in their fight against the Goa'uld!
Crossover - Stargate: SG-1 & Battlestar Galactica: 2003 - Rated: T - English - Sci-Fi - Chapters: 23 - Words: 91,451 - Reviews: 288 - Favs: 362 - Follows: 475 - Updated: 1/24/2018 - Published: 1/8/2007
Endless Pantheon: Shattering Occam's Razor by Todeswind reviews
This story is a companion piece to my story, God's Eye, told from the perspective of SG-1 as they find themselves coping with all manner of supernatural complications to their war with the Goa'uld.
Crossover - Stargate: SG-1 & Dresden Files - Rated: T - English - Adventure/Suspense - Chapters: 38 - Words: 121,660 - Reviews: 448 - Favs: 740 - Follows: 750 - Updated: 1/21/2018 - Published: 8/13/2015 - Complete
Life, with a little spice by Lauriesf reviews
Installment to Louise and Seasoned with Love. Post season 5. Atlantis, the team and my OC leave Earth for Pegasus and beyond. And Murphy's law barges in... Rated M for later chapters.
Crossover - Stargate: Atlantis & Stargate: SG-1 - Rated: M - English - Chapters: 22 - Words: 79,493 - Reviews: 44 - Favs: 8 - Follows: 18 - Updated: 1/17/2018 - Published: 10/12/2016 - OC
The Rise of the Goa'leks Ch 1 by ConlonKeith
I thought that it would be interesting to see what would happen if the Daleks disobeyed Davros's racist orders and opinions and actually decided to interbreed with the Goa'uld.
Crossover - Doctor Who & Stargate: SG-1 - Rated: K - English - Sci-Fi - Chapters: 3 - Words: 1,074 - Favs: 2 - Follows: 3 - Updated: 1/16/2018 - Published: 11/8/2017
Unfettered Curiosity Is A Dangerous Thing Don't Touch That! by A Dwimor reviews
While exploring Slytherin's hidden library, Harry accidently activates a portkey, and finds himself transported to a strange facility housing something called a Stargate.
Crossover - Stargate: SG-1 & Harry Potter - Rated: T - English - Humor/Adventure - Chapters: 5 - Words: 4,557 - Reviews: 93 - Favs: 323 - Follows: 585 - Updated: 1/8/2018 - Published: 10/4/2017
Le Voyage Infernal by Elayan reviews
[Recueil d'OS] Quand l'équipe des Avengers a besoin de voyager sur une autre planète, il serait idiot de ne pas profiter de l'existence de la Porte des Etoiles. Quant à faire cohabiter les Avengers et SG-1, référents en la matière, au sein d'une mission commune... c'est une autre histoire.
Crossover - Stargate: SG-1 & Avengers - Rated: K+ - French - Humor/Parody - Chapters: 4 - Words: 3,190 - Reviews: 22 - Favs: 5 - Follows: 6 - Updated: 1/7/2018 - Published: 5/5/2017 - D. Jackson, J. O'Neill, Iron Man/Tony S., Hulk/Bruce B.
An Unnatural Scent by MegKF reviews
An unexpected reunion between the Scoobies and the Fang gang reveals something wrong with Xander.
Crossover - Buffy: The Vampire Slayer & Stargate: SG-1 - Rated: T - English - Chapters: 28 - Words: 29,160 - Reviews: 128 - Favs: 224 - Follows: 334 - Updated: 12/28/2017 - Published: 2/20/2009 - Complete
Far From Home by rurousha reviews
Years before Atlantis meets the Wraith, SG-2 meets a stranded alien. Major Griff and John Raythe from season 5 to 7. Canon-compliant. Part 1 of Raythe.
Crossover - Stargate: SG-1 & Stargate: Atlantis - Rated: T - English - Adventure/Sci-Fi - Chapters: 19 - Words: 40,254 - Reviews: 29 - Favs: 46 - Follows: 57 - Updated: 12/24/2017 - Published: 6/3/2014 - OC - Complete
A Very Supernatural and SG1 Christmas by Dragonflysoul reviews
Just your ordinary Christmas story with ghosts and claw-wielding, flesh-eating monsters. Sam Winchester Whump, Daniel Jackson whump, and of course, protective Dean Winchester and Jack O'Neill! Takes place SPN post 7.10 and SG1 season 3. (SG1 prequel now added. "Celebrate Me Home")
Crossover - Stargate: SG-1 & Supernatural - Rated: K+ - English - Hurt/Comfort - Chapters: 1 - Words: 9,158 - Reviews: 58 - Favs: 132 - Follows: 35 - Updated: 12/23/2017 - Published: 12/25/2011 - J. O'Neill, Dean W. - Complete
Through The Gate by TheLongVersion2 reviews
Ever look at the sky and wonder what could be out there? Have you ever imagined a way to find out? For Garrett Corbulo, this was his dream come true the moment he stepped into the Gate. However, when he and his newly formed team encounters an enemy worthy of his nightmares, it becomes clear that they may need more than a Stargate to survive the coming battle. Adopted from Trane7.
Crossover - Stargate: SG-1 & RWBY - Rated: T - English - Sci-Fi/Adventure - Chapters: 5 - Words: 8,409 - Reviews: 6 - Favs: 15 - Follows: 23 - Updated: 12/20/2017 - Published: 4/24/2017 - OC, J. Ironwood
Gateway to The Stars by andrewjameswilliams reviews
Companion story to This Isn't Kansas. In the aftermath of the battle with the Goa'uld Ashur the United Earth Government authorizes new Stargate missions to begin.
Crossover - Stargate: SG-1 & Robotech/Macross - Rated: T - English - Adventure/Sci-Fi - Chapters: 1 - Words: 2,399 - Reviews: 10 - Favs: 78 - Follows: 81 - Published: 12/16/2017 - Gen. Landry
No Easy Day by liron-aria reviews
SG-1 knows that there's no such thing a routine recon mission, so it shouldn't surprise them when Daniel Jackson befriends four teenagers and a twenty-something and winds up helping resolve an alien civil war. / / a.k.a. Just once, Tommy Oliver would like his birthday to pass without someone trying to maim, torture, or murder him and the people he cares about.
Crossover - Stargate: SG-1 & Power Rangers - Rated: T - English - Adventure/Sci-Fi - Chapters: 1 - Words: 12,377 - Reviews: 7 - Favs: 72 - Follows: 27 - Published: 12/12/2017 - D. Jackson, J. O'Neill, Tommy O., Conner M. - Complete
Gate Falls by The Cowardly Christian reviews
Prometheus was punished by the gods for giving the gift of knowledge to man. He was cast into the bowels of the Earth and pecked by birds- Only in gravity falls...(Continued in 'Tales of the falls').
Crossover - Stargate: SG-1 & Gravity Falls - Rated: T - English - Supernatural/Sci-Fi - Chapters: 2 - Words: 2,706 - Reviews: 1 - Favs: 3 - Follows: 5 - Updated: 12/10/2017 - Published: 8/10/2015 - [Dipper P., Wendy]
A Chance Meeting by MythicRhyvon reviews
When Tony goes to the bar one lonely Christmas Eve Night, and again on New Year, he did so to avoid his empty apartment. A handsome stranger tucked away in the corner draws his attention, and the attraction between the two is undeniable. Jack has just been assigned to DC, a situation he finds himself discontent with. The new development promises something much more interesting.
Crossover - Stargate: SG-1 & NCIS - Rated: T - English - Romance/Humor - Chapters: 10 - Words: 44,767 - Reviews: 39 - Favs: 225 - Follows: 104 - Updated: 12/9/2017 - Published: 8/27/2017 - [J. O'Neill, Tony D.] - Complete
Endless Pantheon: God's Eye by Todeswind reviews
Harry Dresden gets misplaced after the events of the Darkhallow. Suffice it to say tossed to the edge of the galaxy, he still manages to stir up trouble. After all, the universe exists to trouble Harry Dresden.
Crossover - Stargate: SG-1 & Dresden Files - Rated: T - English - Chapters: 38 - Words: 174,805 - Reviews: 1447 - Favs: 2,112 - Follows: 1,958 - Updated: 12/1/2017 - Published: 4/9/2012 - H. Dresden - Complete
CHALLENGE FOR STARGATE AND PROTOTYPE by udkudk reviews
This is a Challenge for PROTOTYPE AND STARGATE XOVERS WHY NO ONE MAKED ONE?
Crossover - Prototype & Stargate: SG-1 - Rated: T - English - Sci-Fi - Chapters: 1 - Words: 361 - Reviews: 7 - Favs: 2 - Follows: 2 - Published: 11/25/2017
Battle Star Gate by Demetra83 reviews
Deux civilisations très différentes (SG1 et les Colons) se rencontrent et choisissent de s'unir pour rejoindre et sauver la Terre… Un peu de ship J/S et A/R - Fic commencée en janvier 2014
Crossover - Stargate: SG-1 & Battlestar Galactica: 2003 - Rated: M - French - Sci-Fi/Adventure - Chapters: 25 - Words: 31,242 - Reviews: 83 - Favs: 13 - Follows: 21 - Updated: 11/22/2017 - Published: 8/4/2015 - S. Carter, J. O'Neill, W. Adama, L. Roslin
Snapshots and Snippets by Reese M reviews
A collection of one shots and ep rewrites that happen in the world created in Stolen Lives Returned. These stories pick up where SLR ended and follow Sam Carter and her mother Helen Magnus, and the rest of their family and friends.
Crossover - Stargate: SG-1 & Sanctuary - Rated: T - English - Family - Chapters: 18 - Words: 88,014 - Reviews: 108 - Favs: 66 - Follows: 85 - Updated: 11/19/2017 - Published: 3/14/2015 - S. Carter, J. Fraiser, Helen M., Ashley M.
Halo Gateway (Old Version) by Commander Kelec reviews
Major June Cooper is returning to active duty as General Jack O'Neill takes command of the SGC. The year is 2020 and new threats loam on the horizon. Alternative Universe story where the Halo and Stargate races are in the same galaxy.
Crossover - Stargate: SG-1 & Halo - Rated: T - English - Sci-Fi/Friendship - Chapters: 6 - Words: 16,827 - Reviews: 5 - Favs: 24 - Follows: 20 - Updated: 11/19/2017 - Published: 4/26/2017 - J. O'Neill, Teal'c, C. Mitchell
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