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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: 14 - Words: 17,638 - Reviews: 8 - Favs: 30 - Follows: 42 - Updated: 5/10 - Published: 2/9/2023 - [S. Carter, Martouf/Lantash] Jadzia D., B. Sisko
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: 9 - Words: 14,946 - Updated: 5/8 - Published: 2/26
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: M - English - Sci-Fi - Chapters: 6 - Words: 15,030 - Reviews: 2 - Favs: 25 - Follows: 33 - Published: 5/7 - J. O'Neill, Ra, Zerg, OC
New SG1 Member by
Phantom Dragon Witch reviews
Danny Fenton Joined the air force with hopes of one day going to space. When he was reassigned to the SGC, he had no clue how close he was to getting his wish, even with all the weirdness that followed him from home.
Crossover - Danny Phantom & Stargate: SG-1 - Rated: T - English - Sci-Fi - Chapters: 7 - Words: 9,155 - Reviews: 19 - Favs: 43 - Follows: 72 - Updated: 5/6 - Published: 10/28/2023 - D. Jackson, Danny F., J. O'Neill, Sam M.
Terra s Destiny: A prelude to War by
GeneralAllenWalker reviews
Jack O'Neill thought he had done enough to earn a retirement. Fighting the russians in east germany, killing an alien god in a distant star system thousands of light years away, being a productive member of the Colorado Springs golf club, all very laudable things, if he allowed himself the compliment. Sadly, it seems, the universe had other ideas as Earth faces an Enemy Unknown
Crossover - Stargate: SG-1 & X-Com - Rated: T - English - Sci-Fi/Adventure - Chapters: 5 - Words: 14,978 - Reviews: 16 - Favs: 18 - Follows: 32 - Updated: 5/1 - Published: 12/15/2023 - S. Carter, J. O'Neill
Beginning a New Path by
stargatesg1fan1 reviews
Massive multiverse crossover between Harry Potter/Buffy/Stargate/Star Trek Enterprise/X-Men/Fantastic Four/Iron Man/Highlander/Justice League/Underworld/Star Wars and More in that order. Harry Potter is the main character. Full summary inside. Non-Traditional-Harem, Builds up to Awesome Power Harry. 1 Million Words. 150 Smut Scenes (Very Sensual Story).
Crossover - Stargate: SG-1 & Harry Potter - Rated: M - English - Sci-Fi/Adventure - Chapters: 117 - Words: 1,119,632 - Reviews: 3048 - Favs: 3,315 - Follows: 2,913 - Updated: 4/28 - Published: 6/18/2010 - S. Carter, Harry P.
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: 10 - Words: 26,478 - Reviews: 8 - Favs: 7 - Follows: 12 - Updated: 4/21 - Published: 2/2
The secret of Antartica by
everythingilike777 reviews
Luna Sheppard (24) one of the most succesful and youngest military commanders on the face of earth, daughter of Elizabeth Weir and John Sheppard is about to uncover something that would change the life of atlantis and a group of teenagers forever and here is how it started ... with some original characters from the show but some are mine. First FF
Crossover - Stargate: SG-1 & Stargate: Atlantis - Rated: T - English - Sci-Fi/Romance - Chapters: 12 - Words: 14,057 - Reviews: 2 - Favs: 4 - Follows: 4 - Updated: 4/20 - Published: 3/19
Waking into a Dream by
stargatesg1fan1 reviews
An SI story where our main character wakes up as a young Harry Potter. Watch as our SI finds himself in a universe slightly different from canon Harry Potter and makes the changes he wants to make. Later also realizing Stargate exists in this universe he makes even more changes. Eventual-Powerful-Harry. Gary Stu. Lots of Smuttiness. Multi-Pairing. Pairing: HG/HP/Sam Carter
Crossover - Stargate: SG-1 & Harry Potter - Rated: M - English - Adventure/Romance - Chapters: 7 - Words: 58,145 - Reviews: 140 - Favs: 802 - Follows: 928 - Updated: 4/17 - Published: 1/7 - S. Carter, Harry P., Hermione G. - Complete
In Fire Forged (StargateHalonBSG fusion) V2 by
Illuviar reviews
The Goa'uld System Lords led by Ra fight for survival and domination against the Covenant. The Prophets in their lust for power have proclaimed Humanity's extermination, and decreed the destruction of the False Gods. Long dormant and forgotten Stargates come to life to bring UEG's Earth and the Colonies of Cobol into a bloody contact with the galaxy at large...
Crossover - Stargate: SG-1 & Halo - Rated: T - English - Sci-Fi/Adventure - Chapters: 19 - Words: 68,079 - Reviews: 77 - Favs: 156 - Follows: 208 - Updated: 4/15 - Published: 3/26 - J. O'Neill, Master Chief/John-117
The Fifth-Race Reclaimers: Upheaval by
Piero217 reviews
Over the course of eight months following their triumph over the Precursor threat, the Fifth-Race Reclaimers have been working hard to learn more about each other and their respective galaxies—sometimes without the other side even knowing. But with a new threat looming on the horizon, will they be prepared to defend every living creature they have been entrusted with?
Crossover - Stargate: SG-1 & Halo - Rated: T - English - Sci-Fi/Drama - Chapters: 3 - Words: 8,405 - Reviews: 12 - Favs: 79 - Follows: 111 - Updated: 4/14 - Published: 6/8/2019 - S. Carter, D. Jackson, Teal'c, Arbiter
Rebirth of the UNSC by
ultimate Deathsaurer 2 reviews
Reach has Fallen and the Pillar of Autumn has set a course to earth but not the earth they remember. Adopted from Original Owner: Samsara Sage
Crossover - Stargate: SG-1 & Halo - Rated: T - English - Sci-Fi/Adventure - Chapters: 18 - Words: 66,336 - Reviews: 327 - Favs: 621 - Follows: 762 - Updated: 4/11 - Published: 10/12/2014
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: 5 - Words: 11,563 - Reviews: 10 - Favs: 30 - Follows: 42 - Updated: 4/10 - Published: 2/7
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: 20 - Words: 67,979 - Reviews: 29 - Favs: 119 - Follows: 148 - Updated: 4/9 - Published: 12/16/2021
Hogan's Heroes' Heroes by
TannaraMoonvale
Colonel Hogan gets sent to Stalag 13 but how does his operation become so big so quickly?
Crossover - Stargate: SG-1 & Hogan's Heroes - Rated: K - English - Adventure/Friendship - Chapters: 1 - Words: 4,258 - Favs: 2 - Follows: 2 - Published: 3/31 - S. Carter, J. O'Neill, R. Hogan, P. Newkirk - Complete
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. *Discontinued due to pacing issues, rewrite in progress*
Crossover - Stargate: SG-1 & Robotech/Macross - Rated: T - English - Sci-Fi/Adventure - Chapters: 57 - Words: 292,233 - Reviews: 463 - Favs: 363 - Follows: 389 - Updated: 3/31 - Published: 5/23/2022 - S. Carter, D. Jackson, Rick/Hikaru, Claudia - Complete
Wormholes and Meteor Showers by
Shall-Iin reviews
The SG team finds evidence of a lost race that the Goauld are unable to infest and who legend say are imbued with vast physical powers beyond those all other races. They seek information about the lost race on Earth, where there is evidence they might hav
Crossover - Stargate: SG-1 & Smallville - Rated: T - English - Adventure/Sci-Fi - Chapters: 33 - Words: 128,880 - Reviews: 323 - Favs: 306 - Follows: 425 - Updated: 3/29 - Published: 1/14/2006 - D. Jackson, J. O'Neill, Clark K./Superman, Pete R.
In Fire Forged (StargateHalonBSG fusion) by
Illuviar reviews
The Supreme System Lord Ra has been missing for a year, the System Lords are straining their bonds, at a perilous time. The alien Covenant has proclaimed the Goa'uld and their servants, as False Gods and Heretics to be exterminated. Meanwhile, the beleagued UNSC struggles for survival, while the 12 Colonies of Kobol are none the wiser about the dangers lurking in the dark...
Crossover - Stargate: SG-1 & Halo - Rated: T - English - Sci-Fi/Adventure - Chapters: 7 - Words: 21,482 - Reviews: 24 - Favs: 117 - Follows: 143 - Updated: 3/26 - Published: 10/23/2020
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: 1 - Words: 1,347 - Reviews: 1 - Favs: 9 - Follows: 7 - Published: 3/25
Aviator's Second Chance by
Phantom-Cosplayer reviews
During an emergency medical evac, Cpt Evelyn O'Neill is shot down & coming back alive will cost an arm, literally. With limited options aside from HD, her father pulls some strings to get her to the Pegasus Galaxy. While she's millions of lightyears away & fighting unknown enemies in a war that's not hers, this might just be the only chance she's got at a normal life
Crossover - Stargate: SG-1 & Stargate: Atlantis - Rated: M - English - Humor/Romance - Chapters: 77 - Words: 362,521 - Reviews: 6 - Favs: 21 - Follows: 21 - Updated: 3/23 - Published: 11/20/2020 - [John S., OC] J. O'Neill, Rodney M.
A Dream Given Form by
Nix Nada reviews
COMPLETED! A Babylon5 SG-1 crossover. Daniel gets a mysterious message from a distant place and time, with a very unusual Gate address. I last posted to this one in 2006 but then life got in the way. This year, I decided to revisit and complete it, giving the whole thing a rewrite. If you read the original, I'm sorry for the 18 year wait but I hope you enjoy the finished story!
Crossover - Stargate: SG-1 & Babylon 5 - Rated: K+ - English - Sci-Fi/Adventure - Chapters: 8 - Words: 19,680 - Reviews: 70 - Favs: 40 - Follows: 74 - Updated: 3/17 - Published: 4/22/2005 - S. Carter, D. Jackson, J. O'Neill, Teal'c - Complete
Un visage pour deux âmes by
Snapy49 reviews
Helen Magnus et Samantha Carter, deux personnes à part entière à première vue. Mais que ce passe-t-il quand Helen se trouve être une autre version de Sam. Une version où Samantha Carter a fini par mourir, effectuer l'ascension et à qui on a accordé une seconde chance sur Terre ne prévoyant pas qu'elle vivrait assez longtemps pour rencontrer son double du SGC ? (couples S/N et H/J)
Crossover - Stargate: SG-1 & Sanctuary - Rated: T - French - Romance/Adventure - Chapters: 49 - Words: 62,709 - Reviews: 113 - Favs: 10 - Follows: 12 - Updated: 3/13 - Published: 6/16/2017 - S. Carter, J. O'Neill, Helen M., Nikola T.
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: 4 - Words: 13,488 - Reviews: 23 - Favs: 37 - Follows: 42 - Updated: 3/11 - Published: 11/7/2023
Not Who I Think I Am by
kattracks9599 reviews
Part 1: Examining Loki's experiments on Jack the Asgard uncovers experiments done not just on Sam but also on Helen. It is set at the end of season 7 of SG1 and around the middle of season 3 of Sanctuary. This is just the first part of the story.
Crossover - Stargate: SG-1 & Sanctuary - Rated: T - English - Adventure/Drama - Chapters: 6 - Words: 39,310 - Reviews: 14 - Favs: 20 - Follows: 36 - Updated: 3/9 - Published: 2/9 - [S. Carter, J. O'Neill] [Helen M., Nikola T.]
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: 17 - Words: 254,012 - Reviews: 573 - Favs: 1,170 - Follows: 1,589 - Updated: 3/5 - Published: 4/30/2020
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