
Stargate: SG-1
Crossovers
Filters
3.1K | Page 1 2 3 4 11 .. Last Next »
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: 14 - Words: 77,778 - Reviews: 113 - Favs: 178 - Follows: 200 - Updated: 5h - Published: 5/23 - S. Carter, D. Jackson, Rick/Hikaru, Claudia
Star Granger - Season 5 by
SFD reviews
Once upon a time, a race of people fled their home planet, not willing to present themselves as gods. They went on and seeded life in substantial parts of the known universe. Klingons will tell you that gods are more trouble than they are worth, and that to grow, a race needs to do all their gods in. But, doing-whoever-all-in is SO not Federation. What a girl to do?
Crossover - Stargate: SG-1 & Harry Potter - Rated: T - English - Sci-Fi/Adventure - Chapters: 12 - Words: 53,844 - Reviews: 70 - Favs: 264 - Follows: 429 - Updated: 9h - Published: 6/16 - [Harry P., Hermione G.] S. Carter, J. O'Neill
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: 31 - Words: 123,569 - Reviews: 315 - Favs: 290 - Follows: 400 - Updated: 23h - Published: 1/14/2006 - D. Jackson, J. O'Neill, Clark K./Superman, Pete R.
Celeste by
Amelia E. Adler reviews
Continuation of Midnight Blue, Azure, and Shades of Blue: Intermission. After returning to her own timeline, Alice Boyd has to deal with the fallout. Chasing and confronting her nemesis will only be a part of her struggle; more than anything, she will have to face her own emotions, and who knows where they'll lead her in the end... OC with no AU - futurefic.
Crossover - Stargate: SG-1 & Stargate: Atlantis - Rated: T - English - Sci-Fi/Adventure - Chapters: 39 - Words: 264,391 - Reviews: 121 - Favs: 36 - Follows: 49 - Updated: 10/12 - Published: 3/4/2021
Another Beginning by
Cheeky-cat-writer
There is This Ron from another dimension, and he is guiding Ron through life until another unexpected invasion begins. Very little SG1, most Kim Possible.
Crossover - Stargate: SG-1 & Kim Possible - Rated: T - English - Chapters: 9 - Words: 17,094 - Favs: 4 - Follows: 4 - Updated: 10/12 - Published: 9/15 - S. Carter, J. O'Neill, Ron S., Tara
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: 1 - Words: 4,261 - Reviews: 4 - Favs: 27 - Follows: 42 - Published: 10/12 - [Hakuno K., Gilgamesh] J. O'Neill, Ba'al
The Defensive Space Force Ship Requirement by
tkepner reviews
Harry Potter, and the rest of Dumbledore's Army in his fifth year, use the Room of Requirement to get themselves a spaceship! The problems of a tiny island on Earth don't seem so important, anymore. Wizards in Space! What could possibly go wrong with that? Eventually, this will be a crossover with Stargate SG-1.
Crossover - Stargate: SG-1 & Harry Potter - Rated: T - English - Fantasy/Sci-Fi - Chapters: 43 - Words: 264,694 - Reviews: 1871 - Favs: 2,205 - Follows: 2,932 - Updated: 10/11 - Published: 12/11/2021 - Gen. Hammond, Harry P., Hermione G., Lee J.
Stargate: Archangel, Pilot Episode by
RogueTrace
Jessica Martin encounters a Repository of the Ancients in the Colorado mountains, and begins her journey. This is the beginning of "Option 1" of the 5 that I've considered writing.
Crossover - Stargate: SG-1 & Stargate: Atlantis - Rated: T - English - Sci-Fi - Chapters: 2 - Words: 1,768 - Favs: 1 - Follows: 4 - Published: 10/11
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: 4 - Words: 37,011 - Reviews: 6 - Favs: 6 - Follows: 8 - Updated: 10/11 - Published: 10/10
Sam in Jabba's Palace by
Failhammer reviews
After a mission went wrong, Sam became Jabba's newest slave. The hutt has now decided it is time the captive officer learns to dance for his pleasure.
Crossover - Star Wars & Stargate: SG-1 - Rated: T - English - Drama - Chapters: 1 - Words: 2,245 - Reviews: 1 - Follows: 1 - Published: 10/11 - Oola, S. Carter
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: T - English - Adventure/Sci-Fi - Chapters: 19 - Words: 119,780 - Reviews: 515 - Favs: 1,928 - Follows: 2,780 - Updated: 10/8 - Published: 10/1/2021 - [Harry P., Hermione G.] Luna L., Merlin
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: 55 - Words: 380,534 - Reviews: 117 - Favs: 123 - Follows: 142 - Updated: 10/8 - Published: 9/25/2021 - [Adora/She-Ra, Catra] S. Carter, J. O'Neill
Minion Gate by
Kody Wright 2 reviews
When a number of Minions come through the quantum mirror, Jack finds himself the new boss to a new kind of army. Daniel discovers his foster brother has a secret past. Note: only the minions in this cross over.
Crossover - Stargate: SG-1 & Despicable Me - Rated: K - English - Chapters: 7 - Words: 15,525 - Reviews: 19 - Favs: 16 - Follows: 19 - Updated: 10/8 - Published: 9/14
Stargate: Archaic Stratagem by
Red Leader reviews
Charlie Burke has been transported to another universe after sacrificing her life to save the Kaylons from the weapon that she and Isaac developed.
Crossover - Stargate: SG-1 & Orville - Rated: K+ - English - Sci-Fi/Fantasy - Chapters: 16 - Words: 32,173 - Reviews: 20 - Favs: 13 - Follows: 19 - Updated: 10/6 - Published: 7/28
Stargate: Neverwinter by
Sarcasm Dragon reviews
SG-1 left one day through the Stargate to be lost in a shadowy accident. It was a year later that they returned, but a very different team. They had gone to a land of magic and power and returned with new strength, new allies, and magic. But will they be ready to face the challenges they brought with them from Neverwinter? AU Sequel to Stargate: Faerûn.
Crossover - Stargate: SG-1 & Neverwinter Nights - Rated: T - English - Adventure/Fantasy - Chapters: 2 - Words: 7,489 - Reviews: 35 - Favs: 60 - Follows: 85 - Updated: 10/5 - Published: 3/28/2013 - S. Carter, D. Jackson, J. O'Neill, Teal'c - Complete
Stargate: Universal Collision - Re-Upload by
StrikeFreedom11 reviews
After a horrible hyperspace jump following the destruction of Orilla, SG-1, Stargate Command and Atlantis all find themselves facing a brand new universe as their own galaxy is irrevocably changed. New allies, new enemies and new challenges all await as universes collide with one another in a battle just to survive.
Crossover - X-overs & Stargate: SG-1 - Rated: T - English - Sci-Fi/Adventure - Chapters: 3 - Words: 28,694 - Reviews: 1 - Favs: 20 - Follows: 20 - Published: 10/3 - S. Carter, J. O'Neill, Thor - Complete
Humanity's Resurgence - Re-Upload by
StrikeFreedom11 reviews
Two different humanity's. Both pushed around by aliens for far too long. Together, they shall show this third universe that humanity is not to be underestimated.
Crossover - Stargate: SG-1 & Halo - Rated: T - English - Sci-Fi/Adventure - Chapters: 4 - Words: 26,893 - Reviews: 2 - Favs: 28 - Follows: 26 - Published: 10/3 - S. Carter, J. O'Neill, Master Chief/John-117, T. Hood - Complete
Shattered Times and Timelines: Odyssey out of time by
TimeTraveller-1900 reviews
AU By a strange twist of fate, a pre-warp ship appears through the Bajoran wormhole. Starfleet discovers the ship is the Odyssey, a ship from the Stargate Universe where a different series of events took place there. Containing the sum total of Asgard knowledge, Starfleet has a chance to change in ways nobody could have imagined.
Crossover - StarTrek: Deep Space Nine & Stargate: SG-1 - Rated: T - English - Sci-Fi - Chapters: 12 - Words: 34,910 - Reviews: 145 - Favs: 265 - Follows: 342 - Updated: 10/1 - Published: 1/1 - Complete
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: 12 - Words: 39,289 - Reviews: 28 - Favs: 53 - Follows: 82 - Updated: 10/1 - Published: 12/20/2021
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: 23 - Words: 54,305 - Reviews: 13 - Favs: 15 - Follows: 30 - Updated: 9/30 - Published: 6/1/2021 - S. Carter
Humanity's Resurgence by
Strikefreedom10 reviews
Two different humanity's. Both pushed around by aliens for far too long. Together, they shall show this third universe that humanity is not to be underestimated.
Crossover - Stargate: SG-1 & Halo - Rated: T - English - Sci-Fi/Adventure - Chapters: 1 - Words: 161 - Reviews: 94 - Favs: 234 - Follows: 276 - Updated: 9/30 - Published: 4/1/2019 - S. Carter, J. O'Neill, Master Chief/John-117, T. Hood - Complete
Stargate: Universal Collision by
Strikefreedom10 reviews
After a horrible hyperspace jump following the destruction of Orilla, SG-1, Stargate Command and Atlantis all find themselves facing a brand new universe as their own galaxy is irrevocably changed. New allies, new enemies and new challenges all await as universes collide with one another in a battle just to survive.
Crossover - X-overs & Stargate: SG-1 - Rated: T - English - Sci-Fi/Adventure - Chapters: 1 - Words: 161 - Reviews: 58 - Favs: 145 - Follows: 175 - Updated: 9/30 - Published: 8/19/2019 - S. Carter, J. O'Neill, Thor - 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: 48 - Words: 154,232 - Reviews: 183 - Favs: 436 - Follows: 511 - Updated: 9/28 - Published: 12/14/2021 - J. O'Neill, Ba'al, OC
Time's Odyssey by
TimeTraveller-1900 reviews
A strange ship comes out of the quantum slipstream corridor after Voyager leaves it. Emerging into the universe after being chased by the Ori, the Odyssey has arrived in a time of great need. AU from Timeless.
Crossover - StarTrek: Voyager & Stargate: SG-1 - Rated: K+ - English - Sci-Fi - Chapters: 1 - Words: 6,249 - Reviews: 8 - Favs: 32 - Follows: 29 - Published: 9/27 - Complete
Everything Everywhere One Thing at a Time by
Karmic Acumen reviews
Dreams had always been an escape for Harry Potter, but he was pretty sure that you weren't supposed to dream entire lives all at once. Now what's this whole dimensions malarkey and what does divination have to do with it? (HP / Stargate Multicrossover)
Crossover - Harry Potter & Stargate: SG-1 - Rated: T - English - Chapters: 10 - Words: 67,955 - Reviews: 82 - Favs: 284 - Follows: 435 - Updated: 9/25 - Published: 8/2 - Harry P., Nicolas F.
3.1K | Page 1 2 3 4 11 .. Last Next »