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Shadows of Another Life by Jennifer Schumacher reviews
An incautious wish by Willow, sends Xander to another reality. With little knowledge of his life prior to landing in this reality and only fragments of memory to cling to, will he ever find the girl who smiles at him in his dreams?
Crossover - Buffy: The Vampire Slayer & Stargate: SG-1 - Rated: M - English - Adventure/Drama - Chapters: 9 - Words: 8,795 - Reviews: 18 - Favs: 27 - Follows: 34 - Updated: 16h - Published: 10/16 - Xander H., Cordelia C., J. O'Neill
Stargate SG-1: The Fifth Race by i-defy-fate reviews
AU! Heavily inspired by the story: Project Blue Book by AmeliusTheAlteran. Elements of Halo will be here as well because I love the design of the ships, weapons, and equipment they use. This is a story of what a united earth could accomplish when given a common goal. I plan for this to be at least 200-250K words. No pairings! Slow Updates!
Crossover - Stargate: SG-1 & Halo - Rated: M - English - Adventure/Sci-Fi - Chapters: 4 - Words: 21,674 - Reviews: 34 - Favs: 148 - Follows: 212 - Updated: 10/16 - Published: 11/23/2019 - S. Carter, D. Jackson, J. O'Neill, Teal'c
Harry and the Unexpected by ts-29 reviews
What would happen if SG1 brought someone back on there first Mission after killing Ra
Crossover - Stargate: SG-1 & Harry Potter - Rated: K - English - Romance - Chapters: 15 - Words: 23,129 - Reviews: 163 - Favs: 547 - Follows: 819 - Updated: 10/16 - Published: 5/30 - S. Carter, Harry P., Hermione G.
The Twisted Gate by Jennifer Schumacher reviews
Xander and Cordelia's road trip, along with their future, goes sideways, when they discover an Ancient repository and the truth about the Hellmouths. The Ancients do like leaving their messes for others to clean up, don't they? Au.
Crossover - Buffy: The Vampire Slayer & Stargate: SG-1 - Rated: M - English - Adventure/Drama - Chapters: 44 - Words: 43,307 - Reviews: 84 - Favs: 60 - Follows: 81 - Updated: 10/15 - Published: 10/7 - Xander H., Cordelia C., J. O'Neill - Complete
Sisters, the adventures of Samantha and Buffy Carter by FPBarbieri reviews
Samantha Carter, prodigy. Buffy Carter Summers, loving little sister. The story of their lives, together and apart.
Crossover - Buffy: The Vampire Slayer & Stargate: SG-1 - Rated: T - English - Drama/Family - Chapters: 29 - Words: 75,516 - Reviews: 15 - Favs: 26 - Follows: 42 - Updated: 10/15 - Published: 6/1/2021 - S. Carter
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: 45 - Words: 234,444 - Reviews: 359 - Favs: 313 - Follows: 344 - Updated: 10/15 - Published: 5/23/2022 - S. Carter, D. Jackson, Rick/Hikaru, Claudia
Snap Effect by Kody Wright 2 reviews
Tony Stark finds himself snapped to another reality with Thanos. He meets new friends and old as he and SG-1 must stop Thanos from finding the Infinity Stones. Soon after Steve with Peggy, Thor and Loki arrive in the alternate reality when they realize Tony and Thanos are alive.
Crossover - Stargate: SG-1 & Avengers - Rated: K+ - English - Chapters: 11 - Words: 20,469 - Reviews: 36 - Favs: 73 - Follows: 98 - Updated: 10/15 - Published: 7/22/2021
Brief Encounter by Sloane Ranger reviews
SG1 runs into some unexpected people on a routine mission, while the Doctor sets his plan into motion.
Crossover - Doctor Who & Stargate: SG-1 - Rated: K+ - English - Sci-Fi - Chapters: 1 - Words: 4,741 - Reviews: 3 - Favs: 5 - Follows: 2 - Published: 10/14 - 7th Doctor, S. Carter, D. Jackson, J. O'Neill - Complete
Stars bound in shadows by Illuviar reviews
The Stargate show implied that the timeline we saw in on screen was arguably the best. We outrigts saw many realities where various decisions and bad luck either doomed Earth, or saw it pay much higher price for its eventual ascension as a galactic power. This is a story about one of those realities where sheer luck and relying on a last minute resque are not wise decisions...
Crossover - Star Wars & Stargate: SG-1 - Rated: M - English - Sci-Fi/Adventure - Chapters: 83 - Words: 263,949 - Reviews: 538 - Favs: 722 - Follows: 823 - Updated: 10/14 - Published: 12/14/2021 - J. O'Neill, Ba'al, OC
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: 16 - Words: 75,578 - Reviews: 128 - Favs: 278 - Follows: 353 - Updated: 10/14 - Published: 10/12/2022 - [Hakuno K., Gilgamesh] J. O'Neill, Ba'al
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: 108 - Words: 741,788 - Reviews: 263 - Favs: 179 - Follows: 190 - Updated: 10/14 - 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: 34 - Words: 276,755 - Reviews: 303 - Favs: 261 - Follows: 273 - Updated: 10/12 - Published: 1/10 - C. Kawalsky, Thor, Harry P.
Roads Paved in Shadows by AlbertG reviews
"We don't have information on the numbers yet, sir," one of the commanders answered quickly. "It's not the Cylons. The Thirteenth Tribe is attacking us. We're at war with Earth." Adar was completely stunned that emotion quickly turning into a burning rage. "But why?" he snarled as his rage turned into a need for vengeance.
Crossover - Stargate: SG-1 & Battlestar Galactica: 2003 - Rated: K+ - English - Sci-Fi/Adventure - Chapters: 36 - Words: 178,666 - Reviews: 556 - Favs: 393 - Follows: 452 - Updated: 10/12 - Published: 3/19/2017 - J. O'Neill, W. Adama
The restoration of the UNSC by Warwolff2003 reviews
Reach has Fallen and the newly promoted Captain Jacob Keyes has taken his small fleet and st course for Earth. However, this is not the Earth those in the UNSC remember. This is my version of a similar story by originally by Samsara Sage which was adopted by Ultimate Deathsaurer 2
Crossover - Stargate: SG-1 & Halo - Rated: T - English - Sci-Fi - Chapters: 13 - Words: 57,344 - Reviews: 111 - Favs: 222 - Follows: 320 - Updated: 10/9 - Published: 12/22/2022 - S. Carter, J. O'Neill, Master Chief/John-117, J. Keyes
The Past Meets The Future III: New Future Reveals by BazzCatgirl03 reviews
With the missions the team had done, SG-1 and their friends prepare and wait for the countdown to end. Only to discover a shocking truth about Jack O'neill and Janet Frasier's involvement in the NID. And with it one that could change the course of history in the tv show history focused on them now. Can they fix that past mistake or will the future for SG-1 play out in the same way.
Crossover - StarTrek: The Next Generation & Stargate: SG-1 - Rated: T - English - Sci-Fi/Hurt/Comfort - Chapters: 112 - Words: 1,168,647 - Reviews: 3 - Favs: 18 - Follows: 17 - Updated: 10/8 - Published: 11/10/2018 - J. Picard, Gen. Hammond, D. Jackson, Jacob C. - Complete
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. [Ensemble fic with multiple POVs]
Crossover - Stargate: SG-1 & Harry Potter - Rated: M - English - Adventure/Sci-Fi - Chapters: 59 - Words: 408,888 - Reviews: 1307 - Favs: 2,796 - Follows: 3,768 - Updated: 10/5 - Published: 10/1/2021 - [Harry P., Hermione G.] Luna L., Merlin
A Tok'ra's Tale by andrewjameswilliams reviews
Revived by the Goa'uld Zipacna Lieutenant Kevin Elliot and the Tok'ra Lantash flee Ravanna and find themselves hurled into another galaxy and a potentially far more devastating war.
Crossover - Star Wars & Stargate: SG-1 - Rated: K+ - English - Adventure/Sci-Fi - Chapters: 1 - Words: 4,176 - Reviews: 6 - Favs: 31 - Follows: 37 - Published: 10/4 - Anakin Skywalker
Crime And Possible Punishments-Stargate SG-1: Need Aftermaths by BazzCatgirl03
While going over Daniel's capture by Pyrus, the truth comes out now, that the situation was arranged by the SGA. As the truth comes out, why Daniel was arrested, as they decide to use Daniel's idea for their benefit. As the NID and SG-1 face being arrested and committed to the French ring, one-shot, for their psychosis's over Daniel. Severe Jack/Sam bashing, SG-1/TNG crossover.
Crossover - Stargate: SG-1 & StarTrek: The Next Generation - Rated: T - English - Angst/Sci-Fi - Chapters: 55 - Words: 556,648 - Favs: 6 - Follows: 4 - Updated: 10/1 - Published: 3/24 - J. Picard, D. Jackson, Gen. Landry, OC
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: 29 - Words: 189,979 - Reviews: 338 - Favs: 338 - Follows: 506 - Updated: 9/27 - Published: 10/6/2021
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: 6 - Words: 21,057 - Reviews: 20 - Favs: 24 - Follows: 36 - Updated: 9/23 - Published: 10/11/2022 - Jabba the Hutt, Oola, S. Carter - Complete
Black Stone by Kody Wright 2 reviews
On the eve of disclosure about the Stargate, SG-1 finds an rock shaped artifact that activates and sends them back to 1985 mentally. Sam and Daniel find themselves as teenagers. Jack a young Captain. The Gate is soon stolen and Colonel George Hammond recruits a team of specialist to get it back. AU. Multi-cross over with 80's tv shows.
Crossover - Stargate: SG-1 & Airwolf - Rated: K+ - English - Chapters: 10 - Words: 23,425 - Reviews: 2 - Favs: 9 - Follows: 15 - Updated: 9/18 - Published: 8/4
The 30 stories of John Sheppard by ReKoJ
Chapter 1:John has a dream. *Each one has a different prompt and they can all be read as stand alones.
Crossover - Stargate: SG-1 & Stargate: Atlantis - Rated: M - English - Chapters: 7 - Words: 6,434 - Updated: 9/13 - Published: 8/9
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: 32 - Words: 128,804 - Reviews: 321 - Favs: 301 - Follows: 416 - Updated: 9/13 - Published: 1/14/2006 - D. Jackson, J. O'Neill, Clark K./Superman, Pete R.
A Visit to the Midlands by Terlen
Two ascended beings meet by chance. Occurs immediately before the SG1 episode "Abyss."
Crossover - Stargate: SG-1 & Beastmaster - Rated: K - English - Sci-Fi/Fantasy - Chapters: 1 - Words: 2,482 - Follows: 1 - Published: 9/10 - D. Jackson, Ancient One, Curupira - Complete
Dangerous Secrets by Jennifer Schumacher reviews
Xander retains the knowledge of a soldier on Halloween. A real soldier. Now he has Classified information in his head and it's not going away. Something's going to have to be done in regards to that.
Crossover - Buffy: The Vampire Slayer & Stargate: SG-1 - Rated: M - English - Adventure/Hurt/Comfort - Chapters: 27 - Words: 26,523 - Reviews: 42 - Favs: 100 - Follows: 88 - Updated: 9/10 - Published: 9/6 - Xander H., Cordelia C., J. O'Neill - Complete
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