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The Past Meets The Future- Changing History Part 3: 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: 89 - Words: 946,434 - Reviews: 3 - Favs: 17 - Follows: 15 - Updated: 4h - Published: 11/10/2018 - J. Picard, Gen. Hammond, D. Jackson, Jacob C. - 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: 52 - Words: 166,011 - Reviews: 288 - Favs: 629 - Follows: 732 - Updated: 5h - Published: 12/14/2021 - J. O'Neill, Ba'al, OC
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: 104 - Words: 714,389 - Reviews: 248 - Favs: 174 - Follows: 184 - Updated: 11h - Published: 9/25/2021 - [Adora/She-Ra, Catra] S. Carter, J. O'Neill
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: 12 - Words: 17,850 - Reviews: 117 - Favs: 440 - Follows: 682 - Updated: 9/15 - Published: 5/30 - S. Carter, Harry P., Hermione G.
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: 32 - Words: 258,555 - Reviews: 279 - Favs: 244 - Follows: 258 - Updated: 9/14 - Published: 1/10 - C. Kawalsky, Thor, Harry P.
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: M - English - Adventure/Sci-Fi - Chapters: 56 - Words: 383,902 - Reviews: 1220 - Favs: 2,739 - Follows: 3,723 - Updated: 9/14 - Published: 10/1/2021 - [Harry P., Hermione G.] Luna L., Merlin
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: 14 - Words: 66,024 - Reviews: 119 - Favs: 266 - Follows: 338 - Updated: 9/14 - Published: 10/12/2022 - [Hakuno K., Gilgamesh] J. O'Neill, Ba'al
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: 318 - Favs: 302 - Follows: 416 - Updated: 9/13 - Published: 1/14/2006 - D. Jackson, J. O'Neill, Clark K./Superman, Pete R.
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: 9 - Words: 21,470 - Reviews: 1 - Favs: 5 - Follows: 9 - Updated: 9/12 - Published: 8/4
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: 41 - Words: 212,276 - Reviews: 336 - Favs: 296 - Follows: 326 - Updated: 9/12 - Published: 5/23/2022 - S. Carter, D. Jackson, Rick/Hikaru, Claudia
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: 26,504 - Reviews: 40 - Favs: 53 - Follows: 61 - Updated: 9/10 - Published: 9/6 - Xander H., Cordelia C., J. O'Neill - Complete
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: 16 - Words: 224,186 - Reviews: 512 - Favs: 1,054 - Follows: 1,447 - Updated: 9/9 - Published: 4/30/2020
The Past Meets The Future-Changing The Future Part 4: The Past Reborn by BazzCatgirl03 reviews
With the timer in the past over, the future members that decided to get involved prepare for their own time-line to end. As both groups prepare to change the past, can past events be rectified. When in the mid to late 20th century and the early 21st century be fixed, or will the present and past happen all over again. Time travel story, alternate reality in both shows.
Crossover - StarTrek: The Next Generation & Stargate: SG-1 - Rated: T - English - Sci-Fi/Family - Chapters: 23 - Words: 246,772 - Reviews: 1 - Favs: 9 - Follows: 8 - Updated: 9/7 - Published: 12/1/2019 - J. Picard, Wesley C., Gen. Hammond, Jacob C.
An Extraordinary Journey by fmfan1980 reviews
Willow from Sunnydale arrives at the SGC under extraordinary circumstances and goes on amazing adventures with the gang from the SGC. BSG:2003 also included in later chapters. (19.12.2022: Edits to Ch. 17 and 18)
Crossover - Buffy: The Vampire Slayer & Stargate: SG-1 - Rated: T - English - Sci-Fi/Drama - Chapters: 228 - Words: 1,542,659 - Reviews: 1060 - Favs: 531 - Follows: 598 - Updated: 9/7 - Published: 1/26/2014 - [Faith L., Willow R.]
My Friend by Ana's Writings
Book 1 in the "My Friend, My Lover, My Everything". Rosalie never thought that when she joined Stargate Command that her life would change as much as it did, specially after a particularly rough mission. From forming a new friendship with Major Lorne, to fighting for her life, Rosalie wasn't expecting her life to be turned on its head.
Crossover - Stargate: SG-1 & Stargate: Atlantis - Rated: M - English - Friendship/Hurt/Comfort - Chapters: 18 - Words: 12,121 - Published: 9/6 - S. Carter, J. O'Neill, E. Lorne, OC - Complete
Stumbling through Godhood by freeraynman reviews
If you could travel through alternate realities what would you do? Become a God and rule or chillback and go with the flow? Inspired heavily by 'Cruel To be Kind', '12 Steps To Omnipotence', 'Rise of an Empire' and a million and one other fanfics. If you see stuff and think that it's similar to another fanfic. it's probably because we read the same story and I liked that idea.
Crossover - Stargate: SG-1 & Harry Potter - Rated: M - English - Chapters: 24 - Words: 199,303 - Reviews: 624 - Favs: 1,791 - Follows: 2,239 - Updated: 9/6 - Published: 9/29/2021 - S. Carter, D. Jackson, J. O'Neill, OC
Children Of The Future by Jennifer Schumacher reviews
A series of vignettes involving the antics of the children of the Protectors au.
Crossover - Buffy: The Vampire Slayer & Stargate: SG-1 - Rated: T - English - Humor - Chapters: 4 - Words: 3,083 - Reviews: 4 - Favs: 4 - Follows: 2 - Updated: 9/5 - Published: 9/4 - Xander H., Cordelia C., OC
Size Matters Not by ladykempton reviews
Yaddle goes to an Outer Rim planet alone to try and help a small community that is having problem's while there she is captured by the invaders what will happen when four strangers arrive not long after. How will SG1 handle Jedi, Clones and Space whales?
Crossover - Stargate: SG-1 & Star Wars: The Clone Wars - Rated: M - English - Adventure - Chapters: 3 - Words: 27,876 - Reviews: 3 - Favs: 14 - Follows: 14 - Updated: 9/5 - Published: 7/18 - J. O'Neill, Plo Koon, Commander Wolffe, Commander Fox - Complete
The Third Dragon by fmfan1980 reviews
In the history of Westoros, it is written that Rhaenys Targaryen was murdered in the sack of Kings Landing along with her mother and baby brother. What if that was a lie? (22/04/2020: Important edits to Ch 1, 2, 3, 4, 5, 7 and 8.)
Crossover - Stargate: SG-1 & Game of Thrones - Rated: T - English - Chapters: 11 - Words: 53,136 - Reviews: 128 - Favs: 301 - Follows: 420 - Updated: 9/4 - Published: 10/2/2017 - Rhaenys T.
A Tauri in Westeros by fmfan1980 reviews
After a mission that went wrong, Captain Alayne Collins of the Tau'ri finds herself on another world. A medieval world were she finds herself with a double of her mother and brother. (Re-upload)
Crossover - Stargate: SG-1 & Game of Thrones - Rated: K - English - Chapters: 8 - Words: 39,222 - Reviews: 5 - Favs: 39 - Follows: 64 - Updated: 9/4 - Published: 7/21
The Silent Witness by Jennifer Schumacher reviews
A disastrous attempt to close an off world Hellmouth leads to the discovery of the Deeper Well. And the answer to a question someone really should have asked sooner. Why imprison demons at all? Answer, they didn't, exactly.
Crossover - Buffy: The Vampire Slayer & Stargate: SG-1 - Rated: M - English - Mystery/Horror - Chapters: 2 - Words: 1,967 - Reviews: 3 - Favs: 3 - Follows: 2 - Published: 9/4 - Xander H., D. Jackson - Complete
Slayer Scrolls by Ellmarr reviews
Can two children who are just learning to survive save the worlds or do the Fates have other plans for them- a Multi-Cross Over events - Buffy the Vampire Slayer, Stargate SG-1, TMNT, Gargoyles, Criminal Minds, Skyrim, Supernatural. Takes place just before the defeat of the First.
Crossover - Buffy: The Vampire Slayer & Stargate: SG-1 - Rated: M - English - Adventure/Sci-Fi - Chapters: 29 - Words: 217,124 - Reviews: 5 - Favs: 20 - Follows: 23 - Updated: 9/3 - Published: 1/27 - Faith L.
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: 3 - Words: 16,922 - Reviews: 28 - Favs: 132 - Follows: 189 - Updated: 9/3 - Published: 11/23/2019 - S. Carter, D. Jackson, J. O'Neill, Teal'c
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