Stargate: SG-1 Crossovers
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Successor of the Alterans by MissValteria reviews
A Harry Potter who was just struck down by the Dark Lord stumbles into a mysterious encounter via luck that would rival even that of Tyche. Now he seeks to carve a life for himself to live while exploring this vast galaxy. And perhaps, one day return to his old universe. Spiritual successor to Heir of the Alterans.
Crossover - Stargate: SG-1 & Harry Potter - Rated: T - English - Sci-Fi/Fantasy - Chapters: 12 - Words: 18,069 - Reviews: 136 - Favs: 617 - Follows: 967 - Updated: 4/23 - Published: 11/18/2022 - S. Carter, J. O'Neill, Harry P.
Reborn a Worm by feauxen reviews
Taylor Hebert just can't get a break. She retired to a peaceful alternate Earth after the horror show that was Golden Morning, but Contessa didn't bother making sure she lived to reach old age. And someone seems to be pulling strings behind the curtain, because this definitely isn't the afterlife...
Crossover - Stargate: SG-1 & Worm - Rated: T - English - Sci-Fi/Adventure - Chapters: 2 - Words: 15,505 - Reviews: 80 - Favs: 410 - Follows: 576 - Updated: 4/22 - Published: 3/24/2022 - Gen. Hammond, J. O'Neill, Skitter
Melting Ice by Athena8472
When Zordon dies, he leaves one last mission for Tommy. To protect something that has been buried in ice for 10 million years. With the help of Andros and Zhane, he heads to Antarctica. Alpha/Beta/Omega Dynamics. Sentinel/Guides known. Second in the Celestials Series.
Crossover - Stargate: SG-1 & Power Rangers - Rated: M - English - Sci-Fi/Romance - Chapters: 2 - Words: 12,789 - Favs: 6 - Follows: 9 - Updated: 4/22 - Published: 3/31/2022 - [OC, Tommy O.] [Zhane, Andros]
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: 83 - Words: 570,985 - Reviews: 200 - Favs: 155 - Follows: 166 - Updated: 4/22 - Published: 9/25/2021 - [Adora/She-Ra, Catra] S. Carter, J. O'Neill
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: 13 - Words: 98,365 - Reviews: 97 - Favs: 139 - Follows: 158 - Updated: 4/21 - Published: 1/10 - C. Kawalsky, Thor, Harry P.
Robotech: The Stargate Saga by andrewjameswilliams reviews
As robotechnology changed humanities destiny so does a chance discovery beneath the remains of the Giza plateau revealing both an ancient legacy and an ancient threat.
Crossover - Stargate: SG-1 & Robotech/Macross - Rated: T - English - Sci-Fi/Adventure - Chapters: 29 - Words: 152,590 - Reviews: 240 - Favs: 256 - Follows: 290 - Updated: 4/19 - Published: 5/23/2022 - S. Carter, D. Jackson, Rick/Hikaru, Claudia
Place of Our Legacy by firstprime1230 reviews
Earth has been overrun by the forces of the Ori. Beaten, demoralized and on the run in the Ancient city of Atlantis the survivors of Earth make a desperate gamble to save what little they have left. Arriving in a galaxy so different from their own, can they uphold the legacy left to them by the races that came before? And save a galaxy doomed to a suffer a fate worse than death.
Crossover - Stargate: SG-1 & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 12 - Words: 131,530 - Reviews: 387 - Favs: 926 - Follows: 1,284 - Updated: 4/18 - Published: 4/30/2020
Araiansu by Lerris reviews
This is a crossover, initially focused initially mostly on Stargate. Ranma from Ranma is added at the start and quite a few stories are added over time. This is a story about how the Alliance came to be. It is a story about finding ways to make things right, and all the problems that occur along the way. Politics warning plus minor mentions of religion early on.
Crossover - Stargate: SG-1 & Ranma - Rated: T - English - Sci-Fi/Fantasy - Chapters: 62 - Words: 521,098 - Reviews: 133 - Favs: 111 - Follows: 143 - Updated: 4/17 - Published: 10/14/2022 - S. Carter, Ranma
How the hell did I get here by zheuse reviews
Waking up after a car accident isn't supposed to put me in a Capsuleer body. Now I have to figure out how to survive.
Crossover - Stargate: SG-1 & EVE Online - Rated: T - English - Sci-Fi/Adventure - Chapters: 1 - Words: 8,980 - Reviews: 6 - Favs: 39 - Follows: 49 - Published: 4/16
Alien SG-1 challenge by ReadAlert
Details inside
Crossover - Stargate: SG-1 & Ben 10 - Rated: M - English - Adventure/Sci-Fi - Chapters: 1 - Words: 147 - Favs: 1 - Follows: 1 - Published: 4/16 - [Ben T., S. Carter]
Space Wizards Book 1 : The dawn of the DSF by yoden reviews
A sequel to Esama's "Wizards IN SPACE". As the crew of an alien spaceship, Harry and the DA must make their own place in a world torn by war. Between discovering the secrets of alien tech, creating their own, fighting for survival and building up an international organization, they are up for an interesting year.
Crossover - Harry Potter & Stargate: SG-1 - Rated: T - English - Adventure/Drama - Chapters: 8 - Words: 43,736 - Reviews: 54 - Favs: 215 - Follows: 351 - Updated: 4/16 - Published: 11/11/2020 - Harry P., Albus D.
The Zerg Across the Stargate by Fallenknight88 reviews
40 years before the fall of Ra there was an enemy that even the Goa'uld feared, an Enemy that only know one thing, EVOLVE! this is a Response to CrazedGammaMan1721's challenge. Self Insert; Possible Goa'uld Bashing (Hiatus)
Crossover - Stargate: SG-1 & StarCraft - Rated: T - English - Sci-Fi/Adventure - Chapters: 3 - Words: 7,313 - Reviews: 14 - Favs: 82 - Follows: 93 - Updated: 4/15 - Published: 1/1/2020 - Gen. Hammond, J. O'Neill, OC, Abathur
Symbiosis by Meushell reviews
A few Tok'ra crash near Deep Space Nine. From there, they and the DS9 staff discover a potential threat to both universes.
Crossover - StarTrek: Deep Space Nine & Stargate: SG-1 - Rated: K+ - English - Adventure/Friendship - Chapters: 9 - Words: 8,487 - Reviews: 2 - Favs: 14 - Follows: 22 - Updated: 4/14 - Published: 2/9 - [S. Carter, Martouf/Lantash] Jadzia D., B. Sisko
Dismanteling Destiny II: Reminiscence - The Old, New & Unexpected by ImaliFegen reviews
The Episode rewrite of Ties That Bind, The Powers That Be, Beachhead and Ex Dues Machina. (Full summary for the fic inside.)
Crossover - Stargate: SG-1 & Stargate: Atlantis - Rated: T - English - Adventure/Romance - Chapters: 16 - Words: 64,897 - Reviews: 14 - Favs: 1 - Follows: 1 - Updated: 4/14 - Published: 3/6 - Complete
My New Boss by ElohimEditor reviews
After being arrested for helping Dark Kat, Hard Drive is sent to Alkatraz, where an unexpected ally helps him escape and offers him a deal he could hardly refuse, and would change his life and his perception of the world forever.
Crossover - Stargate: SG-1 & SWAT Kats - Rated: T - English - Sci-Fi - Chapters: 6 - Words: 36,730 - Reviews: 1 - Favs: 2 - Follows: 5 - Updated: 4/13 - Published: 10/16/2021
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: 6 - Words: 27,573 - Reviews: 45 - Favs: 169 - Follows: 245 - Updated: 4/6 - Published: 10/12/2022 - [Hakuno K., Gilgamesh] J. O'Neill, Ba'al
Samantha Carter - Slave of Jabba by Failhammer reviews
After an SG-1 mission went wrong, Sam became Jabba's newest slave. Stranded in the palace, with no idea when or if rescue will arrive, Sam must survive her new circumstances as best she can.
Crossover - Star Wars & Stargate: SG-1 - Rated: T - English - Drama - Chapters: 4 - Words: 12,467 - Reviews: 13 - Favs: 16 - Follows: 22 - Updated: 4/6 - Published: 10/11/2022 - Jabba the Hutt, Oola, S. Carter
Worldwar: Establishing A Balance by AlbertG reviews
Summary-Book IV: Years ago, the Colonials of Cyrannus met the so-called 13th tribe. It didn't work out well. The Colonials met the Race. That didn't work out well either, but they were introduced to a much larger galaxy. Now their errors have come back and they know they are small fish in a large ocean trying to survive. Can they? Will the Race let them?
Crossover - Stargate: SG-1 & Battlestar Galactica: 2003 - Rated: T - English - Sci-Fi/Adventure - Chapters: 32 - Words: 205,092 - Reviews: 933 - Favs: 587 - Follows: 709 - Updated: 4/5 - Published: 3/6/2016
Dust In The Wind by Moonlight Willows reviews
Going Through A Rewrite. In 8000 BC, Ra's host has always loved his friend Nekta until the Sun God Ra possesses his body. Consumed by another for many decades he forgets everything about his past and only knows the life Ra has given him. Centuries later recollecting what was once lost resurfaces.
Crossover - Stargate: SG-1 & Chronicles of Narnia - Rated: T - English - Sci-Fi/Romance - Chapters: 2 - Words: 6,927 - Reviews: 61 - Favs: 27 - Follows: 18 - Updated: 4/1 - Published: 3/29/2012 - [Ra, OC] [Tirian, Jill Pole]
Odyssey by TimeTraveller-1900 reviews
The Alphans discover a ship on the dark side of their moon. The Alphans now have a ship that will change their entire future for good. The Alphans can now find a new home. The Alphans...can now return home. Their Odyssey will go on.
Crossover - Stargate: SG-1 & Space 1999 - Rated: T - English - Sci-Fi - Chapters: 17 - Words: 50,252 - Reviews: 36 - Favs: 66 - Follows: 94 - Updated: 3/31 - Published: 12/20/2021
Disclosure by Red Leader reviews
A certain news organization follow General Carter around for his daily show, A new enemy emerges and captures SG12 and taken them to a galaxy far far away.
Crossover - Stargate: SG-1 & Star Wars - Rated: M - English - Chapters: 15 - Words: 38,276 - Reviews: 28 - Favs: 11 - Follows: 17 - Updated: 3/26 - Published: 2/28
Through the Gates of Babylon by Lord-Malaki2036 reviews
An Earth Alliance expedition stumbles upon a discovery that will change the history and the future of them and other races for the foreseeable future.
Crossover - Babylon 5 & Stargate: SG-1 - Rated: K+ - English - Sci-Fi/Adventure - Chapters: 7 - Words: 56,356 - Reviews: 18 - Favs: 51 - Follows: 68 - Updated: 3/26 - Published: 10/10/2022
Like Father, Like Son by Bella Gracelyn Prentiss
(one-shot) Ever wondered why Rory dies so many times and still manages to come back? When Rory dies again, he meets Oma Desala who arranges a meeting between both father and son. How will Rory feel about meeting his biological father? Will Rory learn about his biological mother's identity and why he was given up?
Crossover - Doctor Who & Stargate: SG-1 - Rated: K+ - English - Sci-Fi/Family - Chapters: 1 - Words: 1,071 - Favs: 1 - Follows: 1 - Published: 3/24 - Rory W., D. Jackson - Complete
Harry Potter and the Enforced Holiday by tscchope reviews
Harry is sent on holiday and meets Jack O'Neill. I've switched Bane and Secrets episode order, but had Sam learn of her father's illness. Set after the Battle of Hogwarts and follows the crapilogue, somewhat. Jack and Sam will be getting together. For Jack it's sort of a family tradition, for Sam it's her dad's imminent demise that forces her to think about being a mother.
Crossover - Stargate: SG-1 & Harry Potter - Rated: T - English - Sci-Fi/Family - Chapters: 3 - Words: 16,864 - Reviews: 14 - Favs: 69 - Follows: 135 - Updated: 3/22 - Published: 2/14 - S. Carter, J. O'Neill, Harry P., Hermione G.
A Brutal Truth REWRITE by ReadyAimWait reviews
ADOPTED FROM BIG Z1776: When the Twelve Colonies and Earth are brought together through a technical fluke some may wish the fluke had not occurred at all. Because with two great spacefaring powers not everything can end well for both of them.
Crossover - Stargate: SG-1 & Battlestar Galactica: 2003 - Rated: T - English - Adventure/Sci-Fi - Chapters: 25 - Words: 166,395 - Reviews: 291 - Favs: 307 - Follows: 462 - Updated: 3/21 - Published: 10/6/2021
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