Stargate: SG-1 Crossovers
Filters
2.2K | Page 1 2 3 4 11 .. Last Next »

Stargate: Guardians by UH-60 NIGHTSTALKER reviews
Takes place after the events of "Antarctica". When a new threat arises, the Sailor Senshi soon find themselves teaming up with another group of heroes who also have a history of saving the world.
Crossover - Sailor Moon & Stargate: SG-1 - Rated: T - English - Adventure/Sci-Fi - Chapters: 12 - Words: 34,530 - Reviews: 54 - Favs: 47 - Follows: 61 - Updated: 6h - Published: 1/2/2015
Police Woman look before you leap by Meagana
Jodie and Abby have moved on from NCIS, and are settling in Groom Lake (Area 51) and will experience small town life, and all it's up and downs its an AU for SG1, and a crossover with Eureka, NCIS, and Quantum Leap, and many other shows. No Aliens.
Crossover - Stargate: SG-1 & Eureka - Rated: T - English - Family - Chapters: 2 - Words: 4,464 - Updated: 7h - Published: 7/26
An Extraordinary Meeting 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. *I'm proud to say that this story's been runner-up in the Best Willow Crossover catagory in the Willowy Goodness Awards 2016.*
Crossover - Buffy: The Vampire Slayer & Stargate: SG-1 - Rated: T - English - Sci-Fi/Drama - Chapters: 194 - Words: 1,370,826 - Reviews: 867 - Favs: 232 - Follows: 322 - Updated: 9h - Published: 1/26/2014 - [Faith L., Willow R.]
Out Into the Light by fmfan1980 reviews
Book Two of the Faith Chronicles. Sequal to Born Into Darkness, Faith has a mother in Major Sam Carter and a sister in her clone, Ella. She is living her dream life, all the while still hoping that everything doesn't crash around her. All reviews welcome. **Chapter One used to be the last chapter for BID**
Crossover - Buffy: The Vampire Slayer & Stargate: SG-1 - Rated: T - English - Chapters: 4 - Words: 10,625 - Reviews: 8 - Favs: 23 - Follows: 37 - Updated: 9h - Published: 7/4
The Aftermath: The End by fmfan1980 reviews
Sequal to 'The Aftermath'. This takes place two years after the destruction of the device that would have sent Vala and Daniel to the Ori galaxy. Since the device was destroyed, there was no Ori, and now things have changed for SG-1. A new team heads to Caprica on a recon mission, and comes face to face with the end of days. (A SG-1, BtVS, and BSG 2003 X-over.)
Crossover - Stargate: SG-1 & Battlestar Galactica: 2003 - Rated: T - English - Chapters: 10 - Words: 42,750 - Reviews: 55 - Favs: 48 - Follows: 73 - Updated: 9h - Published: 6/3 - C. Mitchell
Choice of the Ancients by rene3037769 reviews
One man's desire to preserve his people's legacy causes events that he could not have foreseen. Once the other Ascended find out what he has done they are going to be faced with making a choice that they are unprepared for.
Crossover - Stargate: SG-1 & Harry Potter - Rated: T - English - Drama/Adventure - Chapters: 1 - Words: 2,356 - Reviews: 13 - Favs: 54 - Follows: 66 - Published: 7/28
Midnight Blue by Amelia E. Adler reviews
Alice has joined the Air Force because she wanted to follow into her father's footsteps. She did not expect to wind up as a space fighter pilot aboard a battlecruiser, traveling all over the galaxy. Special in many ways, she now has to overcome her own insecurities if she wants to keep pace with the demands of the job... OC story with no AU (should fit in with the canon).
Crossover - Stargate: Atlantis & Stargate: SG-1 - Rated: T - English - Sci-Fi - Chapters: 16 - Words: 99,828 - Reviews: 43 - Favs: 37 - Follows: 65 - Updated: 7/27 - Published: 7/22/2015
Consequences of time by thomassmith69 reviews
my first fic. Harry potter/SG1/DC/The originals cross over. Harry has a accident while trying to create a ritual to De-age his lovers after creating his own philosophers stone but an accident send him flying back to the 5th century this is a story on harry passing the time till 1981 so he can try to save his parents. Harry/OC/OC/Rebekah Mikaelson/Kara/Lily/Egeria/Sam. Huge family.
Crossover - Stargate: SG-1 & Harry Potter - Rated: T - English - Romance/Adventure - Chapters: 2 - Words: 1,680 - Reviews: 10 - Favs: 42 - Follows: 38 - Updated: 7/27 - Published: 7/22
Celestial Empire (China Stargate) by nikkythegreat reviews
Starts with the SG Atlantis Episode Enemy at the Gates. After the battle with the Wraith Super-Hive, the PLAAF Starship Sun Tzu has a plan to save Earth and the Galaxy, things do not turn out as expected.
Crossover - Stargate: SG-1 & Stargate: Atlantis - Rated: T - English - Sci-Fi - Chapters: 4 - Words: 10,654 - Reviews: 12 - Favs: 11 - Follows: 24 - Updated: 7/27 - Published: 7/8
Alex et un autre démon - Traduction by Zarbi
Trois ans après la chute de Sunnydale, Alex Harris est dans un bar et quelque chose ce qui n'est pas juste humain entre. Cela doit être un démon, n'est ce pas ? Même si on est à Colorado Springs …
Crossover - Buffy: The Vampire Slayer & Stargate: SG-1 - Rated: T - French - Sci-Fi/Supernatural - Chapters: 1 - Words: 4,165 - Follows: 1 - Published: 7/26 - Xander H., Anise/Freya
Stargate: The Ascension of the Fifth Race by Jayan phoenix reviews
Earth faces its biggest challenge, they will either fall to the Lucian Alliance and Betrayal or they will rise as the fifth Race. Atlantis must return to the Pegasus Galaxy and the Destiny Expedition are stranded in stasis, and the IOA are not helping the situation.
Crossover - Stargate: Atlantis & Stargate: SG-1 - Rated: T - English - Chapters: 38 - Words: 181,889 - Reviews: 138 - Favs: 198 - Follows: 263 - Updated: 7/26 - Published: 1/3/2015
Stargate Omega by bsampson0330 reviews
When SG-1 stumbles upon two different universes, things get crazy. Well, crazier than normal, that is. SG-1, The New Republic heroes, and Alec and Deryn from the Leviathan meet for the first time, nothing can possibly go wrong, right? Like that ever happens... Part 1 of 3
Crossover - Star Wars & Stargate: SG-1 - Rated: T - English - Sci-Fi/Humor - Chapters: 18 - Words: 17,535 - Reviews: 16 - Favs: 8 - Follows: 15 - Updated: 7/25 - Published: 1/8 - Leia O., Han S., S. Carter, J. O'Neill
Les Portes de l'Enfer by Platon38 reviews
Episode 1
Crossover - StarTrek: The Next Generation & Stargate: SG-1 - Rated: T - French - Sci-Fi/Adventure - Chapters: 3 - Words: 4,823 - Reviews: 2 - Follows: 1 - Updated: 7/24 - Published: 7/6
A Brutal Reality by BIG Z1776 reviews
SEQUEL TO "A BRUTAL TRUTH". The Colonials have just started taking their first steps into a much larger galaxy where danger, friends, and the unknown lie around every corner. And Earth has now taken the next huge step into the galaxy and its rise to superpower is all but inevitable. So what's to stop them? Old enemies from the past thought to be gone and new ones not yet seen.
Crossover - Stargate: SG-1 & Battlestar Galactica: 2003 - Rated: T - English - Adventure/Sci-Fi - Chapters: 16 - Words: 103,219 - Reviews: 251 - Favs: 383 - Follows: 540 - Updated: 7/23 - Published: 2/15/2015
The Chosen Ones and the Battle Of Truth by Bazzano03 reviews
During a mission SG-1 finds a device that transports them to the Star Wars galaxy and learn that their new mission is to help Anakin from getting turned to the dark-side. Will they be able to save him or will they be stuck in that Galaxy and never return home.
Crossover - Star Wars & Stargate: SG-1 - Rated: T - English - Romance/Sci-Fi - Chapters: 15 - Words: 168,397 - Reviews: 10 - Favs: 31 - Follows: 40 - Updated: 7/23 - Published: 2/19/2014 - Anakin Skywalker, Padmé Amidala, S. Carter, D. Jackson
Brother's Betrayal by Dave19941000 reviews
A small stretch of the truth by an enemy long thought gone leads to a clash of worlds. With Earth unwilling to let an attempted invasion slide and the Colonials having lost too much blood to back down, it seems worlds burning is inevitable. Just as planned.
Crossover - Stargate: SG-1 & Battlestar Galactica: 2003 - Rated: T - English - Sci-Fi - Chapters: 47 - Words: 214,574 - Reviews: 366 - Favs: 273 - Follows: 399 - Updated: 7/23 - Published: 8/18/2014
Contact at Kobol by wilkins75 reviews
The scrolls tell that 13 tribes left the birthplace of humanity on Kobol, 12 went one way and the other Earth went another only to lose all contact with their cousins. It is written that one day they would reunite but when they Earth meets their cousins it is not what they expected and it would cost both sides in blood. (Stargate SG1/Battlestar Galactica)
Crossover - Stargate: SG-1 & Battlestar Galactica: 2003 - Rated: T - English - Adventure - Chapters: 45 - Words: 244,427 - Reviews: 2244 - Favs: 683 - Follows: 930 - Updated: 7/23 - Published: 3/20/2015
The Genetics Factory by Beatrice Otter reviews
In Detroit, homeless addicts are turning up dead. But there's more to the case than meets the eye, and the BAU finds themselves looking for something they don't understand. For Derek, it gets personal. Cover Art by Penumbria.
Crossover - Stargate: SG-1 & Criminal Minds - Rated: K+ - English - Family/Mystery - Chapters: 1 - Words: 36,365 - Reviews: 1 - Favs: 3 - Follows: 1 - Published: 7/23 - P. Davis, D. Morgan, D. Rossi, Savannah H. - Complete
Harry Potter and the Alien Reality by Pwn Master Paladin reviews
In the graveyard, Voldemort banished Harry to a new universe. Stranded in a reality of technology, adventure, and snake-like aliens that are bent on galactic conquest, Harry will join with a new group to hopefully find a way home. A group called SG-1.
Crossover - Stargate: SG-1 & Harry Potter - Rated: T - English - Chapters: 12 - Words: 146,773 - Reviews: 905 - Favs: 2,121 - Follows: 2,581 - Updated: 7/21 - Published: 11/6/2010 - J. O'Neill, Harry P.
Twilight Saga: Solar Flare by USANAguy reviews
Sequel to both of my fan-fics, 'Twilight Saga: Meteor Shower', and 'Stargate: The Origin of Vampires'. That Cullen's live in peace with no enemies. But unexpected things can turn the tide at anytime. The Earth will face two dire threats of the insanity of the Goa'uld Anubis, and Alistair's, creator George/Astaroth's latest creation who turns out to be completely invincible.
Crossover - Stargate: SG-1 & Twilight - Rated: T - English - Sci-Fi/Sci-Fi - Chapters: 27 - Words: 110,495 - Reviews: 8 - Favs: 8 - Follows: 8 - Updated: 7/21 - Published: 4/14/2013 - Jacob, Renesmee C./Nessie
Contingencies by whomii2 reviews
How the aftermath of Number Crunch, The Crossing, and Return 0 might have gone differently...
Crossover - Stargate: SG-1 & Person of Interest - Rated: K - English - Sci-Fi - Chapters: 3 - Words: 2,732 - Reviews: 2 - Favs: 3 - Follows: 3 - Updated: 7/20 - Published: 7/6 - J. Reese, H. Finch, Detective Carter, Root - Complete
Daniel's Selection by MetalRose123
What happens when Prince Daniel's Selection arrives and his home is invaded by thirty five girls? What happens when a palace guard falls for a Selected? And she falls for him? What happens when a rather unscrupulous girl falls for the prince? Let the Selection begin!
Crossover - Stargate: SG-1 & Selection Trilogy, Kiera Cass - Rated: K+ - English - Chapters: 1 - Words: 542 - Published: 7/18
Stargate: Frozen Test Idea by RaiderWolf reviews
A test idea, quick summary, Elsa gets taken over by a goa'uld while at her Ice Palace. Full summary inside.
Crossover - Stargate: SG-1 & Frozen - Rated: T - English - Sci-Fi/Hurt/Comfort - Chapters: 1 - Words: 3,831 - Reviews: 1 - Favs: 2 - Follows: 1 - Published: 7/17 - S. Carter, D. Jackson, Anna, Elsa
Return Of The Alteran Empire by Mokoloco reviews
In a universe where some Alterans fled Atlantis earlier than the others with some Puddle Jumpers and resources to build an outpost something happened and no contact has been made. Now a descendant of a known Alteran has to bring the Alterans back close from extinction.
Crossover - Stargate: SG-1 & Harry Potter - Rated: T - English - Adventure/Sci-Fi - Chapters: 3 - Words: 14,405 - Reviews: 8 - Favs: 49 - Follows: 52 - Updated: 7/17 - Published: 7/10 - OC
Into the Wild Blue Yonder by Spirit Seer reviews
The Stargate Program is the best-kept international secret...after the national personifications, of course. When SG-1 meets Alfred by accident, they learn about a secret guarded closer than their own. The rules existed to keep the worlds apart, and sometimes, the lines are better left uncrossed. [AU. No pairings. Growing darker. Same story, summary v.3. LONG FIC.]
Crossover - Stargate: SG-1 & Hetalia - Axis Powers - Rated: T - English - Adventure/Hurt/Comfort - Chapters: 19 - Words: 97,921 - Reviews: 35 - Favs: 63 - Follows: 74 - Updated: 7/16 - Published: 2/8/2014
2.2K | Page 1 2 3 4 11 .. Last Next »