Stargate: SG-1 Crossovers
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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: 34 - Words: 236,300 - Reviews: 77 - Favs: 96 - Follows: 115 - Updated: 11h - Published: 9/25/2021 - [Adora/She-Ra, Catra] S. Carter, J. O'Neill
The DASS Requirement by feauxen reviews
The Dumbledore's Army Space Ship Requirement sails again! This time with goa'uld, SG-1, and consequences that probably aren't a joke. (Consequences not included, may contain products harmful to the mental development of children under seven years of age.) This story was inspired by another work on this site, see author's notes for details.
Crossover - Stargate: SG-1 & Harry Potter - Rated: T - English - Sci-Fi/Adventure - Chapters: 1 - Words: 1,758 - Reviews: 4 - Favs: 15 - Follows: 20 - Published: 5/13 - J. O'Neill, Harry P. - Complete
Contact of the Gate by yngthlet reviews
A Reimaging of wilkins75 Contact at Kobol series. Some changes have been made to make it closer to the Srargate EU. This Remigaing will contain camemeos (and more) from other franchises as well.
Crossover - Stargate: SG-1 & Misc. Tv Shows - Rated: T - English - Sci-Fi/Fantasy - Chapters: 6 - Words: 14,091 - Reviews: 7 - Favs: 22 - Follows: 29 - Updated: 5/12 - Published: 2/17
The Battle for Catachan Secundus by Kamakasie reviews
What wars may come from zealots and false gods fighting among the foliage.
Crossover - Stargate: SG-1 & Warhammer - Rated: M - English - Sci-Fi - Chapters: 3 - Words: 3,187 - Reviews: 3 - Favs: 5 - Follows: 8 - Updated: 5/12 - Published: 4/1/2020
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: 22 - Words: 130,744 - Reviews: 724 - Favs: 1,218 - Follows: 1,766 - Updated: 5/9 - Published: 12/11/2021 - Gen. Hammond, Harry P., Hermione G., Lee J.
A New Crossroad by detonik reviews
A Stargate / Overlord crossover set at the end of Stargate Atlantis and the end of the Overlord Saga. After investigating in dephts the ancients knowledge and discoveries, Daniel Jackson finds out that Janus experimented with other realities where magic seems to be a thing. With the Ori threat contained and the Pegasus expedition over, it's a good time to resume exploration.
Crossover - Stargate: SG-1 & Overlord/オーバーロード - Rated: T - English - Sci-Fi/Fantasy - Chapters: 8 - Words: 26,338 - Reviews: 72 - Favs: 71 - Follows: 92 - Updated: 5/9 - Published: 3/17
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: 15 - Words: 95,482 - Reviews: 392 - Favs: 1,524 - Follows: 2,246 - Updated: 5/8 - Published: 10/1/2021 - [Harry P., Hermione G.] Luna L., Merlin
Patronus or Boggart by JNTK984 reviews
A Cosmic Convention is being held, and one booth has the option for visitors to find out their Patronus or to see what their Boggart is.
Crossover - Stargate: SG-1 & Harry Potter - Rated: T - English - Humor/Fantasy - Chapters: 1 - Words: 1,200 - Reviews: 1 - Favs: 7 - Follows: 4 - Published: 5/7 - S. Carter, J. O'Neill, Harry P., Hermione G.
Mechanical Warfare by CPB99 reviews
(Sequel to Rise of a new System Lord.). Four years after Jack ends the war with the Goa’uld, a new threat rises from the ashes of a formidable foe. Only he can stop it and to do so, he must leave home for Atlantis.
Crossover - Stargate: SG-1 & Stargate: Atlantis - Rated: T - English - Adventure - Chapters: 33 - Words: 20,050 - Reviews: 18 - Favs: 7 - Follows: 12 - Updated: 5/7 - Published: 12/13/2021 - J. O'Neill, S. Carter, John S., Teyla E.
Star Granger - Season 4 by SFD reviews
The story so far: In the beginning, Isis tried to take over Hermione. This has made many people angry, mainly Harry and Hermione herself, and been widely regarded as a bad move on her part. Now, with some of Isis's knowledge about how exciting and dangerous the greater galaxy can be, they prepare to do something about it. With a team, ships, and allies - it's time to go to war!
Crossover - Stargate: SG-1 & Harry Potter - Rated: T - English - Sci-Fi/Adventure - Chapters: 8 - Words: 33,297 - Reviews: 53 - Favs: 299 - Follows: 469 - Updated: 5/5 - Published: 1/27 - S. Carter, D. Jackson, Harry P., Hermione G.
The Alus effect Book one by Robotech1984 reviews
This is a re-write of my original story The Archangel Effect Book one Stargates & Veritechs V1. Please enjoy and if you would like to see what the Alus looks like please copy the link in the first chapter to visit my Deviant Art page.
Crossover - Stargate: SG-1 & Anime X-overs - Rated: K - English - Sci-Fi/Fantasy - Chapters: 6 - Words: 15,046 - Reviews: 8 - Favs: 23 - Follows: 35 - Updated: 5/5 - Published: 9/2/2020
Wrath of Steel by heavyneos reviews
Set between the episodes Within the Serpents Grasp and Serpents lair the Season 1 finale and the Season 2 premiere of SG1. A hyperspace malfunction sends a CIS fleet and its escort to another universe its commander a human from the earth that fell into the life of a Naboo noble family who thought he could change the outcome of the Clone Wars finds himself once again on an adventure
Crossover - Star Wars & Stargate: SG-1 - Rated: T - English - Sci-Fi/Adventure - Chapters: 2 - Words: 8,377 - Reviews: 21 - Favs: 81 - Follows: 120 - Updated: 5/4 - Published: 3/3 - OC, S. Carter, J. O'Neill, Teal'c
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: 17 - Words: 112,948 - Reviews: 181 - Favs: 195 - Follows: 307 - Updated: 5/1 - Published: 10/6/2021
This Isn't Kansas 2: Homefront by andrewjameswilliams reviews
After two and a half years in another reality the Odyssey has returned home to find a galaxy in chaos and facing a greater threat than ever before.
Crossover - Stargate: SG-1 & Robotech/Macross - Rated: K+ - English - Adventure/Sci-Fi - Chapters: 2 - Words: 9,741 - Reviews: 31 - Favs: 96 - Follows: 133 - Updated: 5/1 - Published: 1/2 - Braítac, S. Carter, Gen. Landry, L. Ferretti
Two Gates one to the Galaxy another to a different world by Director Kun reviews
A year before the Gate in Tokyo opened SG 1 explored the world of Special Region also known as P4X-942 in the Caesura Constellation that is outside the control of the Goa'uld. Little did they know they will return back to the world in a year due to an event that rocked Earth's nations.
Crossover - Stargate: SG-1 & Gate - Jietai Kare no Chi nite, Kaku Tatakeri - Rated: T - English - Adventure - Chapters: 2 - Words: 3,253 - Reviews: 9 - Favs: 21 - Follows: 27 - Published: 5/1
Plus One by Tanista2 reviews
There's no such thing as a normal mission for SG-1. Not even on the rare occasions when they are a team of five instead of four. Or, an ongoing chronicle of the things that happen offworld when a certain linguist accompanies the team as Daniel's assistant. (Ad Astra 'verse)
Crossover - Stargate: SG-1 & MacGyver - Rated: T - English - Drama/Romance - Chapters: 4 - Words: 12,328 - Reviews: 1 - Favs: 1 - Follows: 1 - Updated: 4/30 - Published: 5/11/2020 - S. Carter, D. Jackson, J. O'Neill, OC
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: 16 - Words: 113,850 - Reviews: 246 - Favs: 724 - Follows: 940 - Updated: 4/28 - Published: 9/29/2021 - S. Carter, D. Jackson, J. O'Neill, OC
Stargate: A Paragon's Dream by Reaper Eye Fuck ONI reviews
"Did we time travel? Did we crossover into another universe? I have no fu*king Idea all I know is that the Goa'uld needed to die and sides think of all of the Loot!"-Commander Legion Blitz Talking about how he came to Earth.
Crossover - Stargate: SG-1 & Starsector - Rated: M - English - Humor/Sci-Fi - Chapters: 2 - Words: 5,675 - Reviews: 3 - Favs: 6 - Follows: 10 - Updated: 4/26 - Published: 4/16 - S. Carter, D. Jackson, J. O'Neill, Teal'c
Shattered Times and Timelines: Odyssey out of time by the stargate time traveller 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: 7 - Words: 24,933 - Reviews: 88 - Favs: 200 - Follows: 272 - Updated: 4/23 - Published: 1/1
The Lost Soldier by wezza1981 reviews
A lone soldier sent back in time, now lost in a different universe, with different threats. How will our OC deal with his new surroundings? Minimal TSCC references
Crossover - Stargate: SG-1 & Terminator: Sarah Connor Chronicles - Rated: K+ - English - Sci-Fi/Fantasy - Chapters: 20 - Words: 29,641 - Reviews: 20 - Favs: 40 - Follows: 49 - Updated: 4/23 - Published: 7/18/2021 - S. Carter, D. Jackson, J. O'Neill, OC
Stargate meets Galactica by SGBill7 reviews
This is a slightly AU Battlestar Galactica, no razor or lay down your burdens, and a post disclosure Stargate Sg1.
Crossover - Stargate: SG-1 & Battlestar Galactica: 2003 - Rated: T - English - Sci-Fi - Chapters: 3 - Words: 3,526 - Reviews: 40 - Favs: 63 - Follows: 114 - Updated: 4/22 - Published: 3/23
Stargate: Discordia by Sin Oan reviews
A Goa'uld scientist comes to Earth to warn the SGC about a plot being hatched by Osiris to restore Goa'uld supremacy over the galaxy. Can she be trusted, or are they being led into an elaborate trap?
Crossover - Stargate: SG-1 & Stargate: Atlantis - Rated: T - English - Sci-Fi/Adventure - Chapters: 20 - Words: 38,757 - Reviews: 9 - Favs: 19 - Follows: 29 - Updated: 4/14 - Published: 6/4/2021 - OC
Requiem IV by bearhug562000
While Joyce is hosting a "Mother-Daughter Night" to bring her, Buffy, Dawn, and Athena and Diana together, the rest of the gang is dealing with a bizarre string of murders across Sunnydale. Meanwhile, Eppy and Spidey warn Stargate Command of a dire threat to the Earth's existence.
Crossover - Buffy: The Vampire Slayer & Stargate: SG-1 - Rated: M - English - Sci-Fi/Fantasy - Chapters: 3 - Words: 4,757 - Follows: 1 - Updated: 4/10 - Published: 3/7 - Buffy S., Faith L., J. O'Neill, Teal'c
Fleet of the Homeword Bound: Battle of Antartica by Sora with an S reviews
With Annubis due to arrive any minute, Stargate Command are not in the mood for anything else going wrong. A bunch of fictional starships showing up as a bunch of shipgirls certainly qualifies.
Crossover - Stargate: SG-1 & TV X-overs - Rated: T - English - Adventure/Sci-Fi - Chapters: 1 - Words: 6,124 - Reviews: 4 - Favs: 22 - Follows: 26 - Published: 4/8 - Gen. Hammond, Elizabeth Weir
Jack Broke His Crown by RoczaDeb reviews
When Jonathan fractured his skull in 1986, he knew something was wrong. In 1987, the bullet skimmed his skull again and he watched the helicopter take off. Jonathan died then and Jack was born. But after Ba'al… was he really alive anymore? Gen. AU. Crossover-NCIS. Spoilers. Graphic Injuries. Graphic violence. Rape Warning.
Crossover - Stargate: SG-1 & NCIS - Rated: M - English - Hurt/Comfort - Chapters: 5 - Words: 23,263 - Reviews: 10 - Favs: 5 - Follows: 4 - Published: 4/7 - Gen. Hammond, J. O'Neill, L. Ferretti, Leroy Jethro Gibbs - Complete
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