Stargate: SG-1 Crossovers
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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: 14 - Words: 39,350 - Reviews: 72 - Favs: 54 - Follows: 77 - Updated: 11h - Published: 7/8
Alex, or A New Kid on the Block by aliceanjee reviews
Alex Roslin arrives at the SGC... and wonders what she got herself into! Thanks Demetra83 for the original! Disclaimer: Not mine.
Crossover - Stargate: SG-1 & Battlestar Galactica: 2003 - Rated: K - English - Friendship/Humor - Chapters: 2 - Words: 3,106 - Reviews: 3 - Favs: 4 - Follows: 14 - Updated: 9/26 - Published: 4/4 - S. Carter, J. O'Neill, OC
Edyssey by DoctorEd17
The Ed's finds the Odyssey and the Kids end up on a adventure across the universe.
Crossover - Stargate: SG-1 & Ed, Edd n Eddy - Rated: T - English - Adventure/Sci-Fi - Chapters: 1 - Words: 10,624 - Favs: 1 - Follows: 1 - Published: 9/26
Shock to the system by Kelral Orlyana reviews
The Thunderbirds x Stargate SG1, let the chaos begin! Ratings may change as the story progresses.
Crossover - Stargate: SG-1 & Thunderbirds - Rated: T - English - Sci-Fi - Chapters: 28 - Words: 100,842 - Reviews: 44 - Favs: 16 - Follows: 25 - Updated: 9/26 - Published: 8/23/2011 - John T.
SG1 Comes to Sunnydale by Kerrain reviews
This story is No. 3 in the series "Nexus of Chaos". When an old friend of Daniel's posts on the internet looking for information about Ra, Jaffa and Teleportation SG1 is sent to investigate. Please have read Xander and the Ferula-Gemina to Chapter19 or this won't make much sense.
Crossover - Buffy: The Vampire Slayer & Stargate: SG-1 - Rated: T - English - Sci-Fi - Chapters: 11 - Words: 97,755 - Reviews: 22 - Favs: 50 - Follows: 63 - Updated: 9/26 - Published: 8/19
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: 53 - Words: 295,948 - Reviews: 2943 - Favs: 758 - Follows: 1,007 - Updated: 9/25 - Published: 3/20/2015
Kindred Spirits by Anzer'ke reviews
"Wait, you mean you're actually willing to trade tech with us?" "...Wasn't that what you wanted?" "No, it's just...nobody's ever said yes before."
Crossover - Stargate: SG-1 & RWBY - Rated: T - English - Adventure/Sci-Fi - Chapters: 1 - Words: 4,467 - Reviews: 5 - Favs: 22 - Follows: 47 - Published: 9/25 - S. Carter, J. O'Neill, Winter Schnee, Qrow Branwen
Olympus by Angel One-0-one reviews
Alien ships were found by a small group of Australians that led to the discovery of another lost ancient site before Stargate program started
Crossover - Stargate: SG-1 & Battlestar Galactica - Rated: K - English - Chapters: 26 - Words: 34,594 - Reviews: 49 - Favs: 46 - Follows: 49 - Updated: 9/24 - Published: 1/13
Thor's Slayers by CzarZelinsky reviews
Thor knows more about Earth's exotic wildlife than Stargate Command could have imagined. Thor decides to rectify that situation. SG-1 might be a little better if they just had some Faith. (Buffy/Angel/SG1 Characters. Story could become M in the future.)
Crossover - Buffy: The Vampire Slayer & Stargate: SG-1 - Rated: T - English - Supernatural/Sci-Fi - Chapters: 7 - Words: 20,811 - Reviews: 31 - Favs: 49 - Follows: 90 - Updated: 9/24 - Published: 9/5
The Search for Victory by Morena Evensong reviews
During the hunt for Hydra, SGC operations are stalled. But the Ori's armies are still coming and Earth isn't any closer to coming up with anything that can stop them. Frustrated, Daniel takes a vacation and accidentally uncovers a clue to what could be an Ancient weapon. Against protocol, against orders, he and his friends set out on a desperate quest to find a way to save Earth.
Crossover - Stargate: SG-1 & Avengers - Rated: K+ - English - Sci-Fi/Adventure - Chapters: 38 - Words: 283,425 - Reviews: 453 - Favs: 358 - Follows: 449 - Updated: 9/23 - Published: 10/6/2014 - D. Jackson, Black Widow/Natasha R., Captain America/Steve R., Hawkeye/Clint B. - Complete
Maestro if you please by Story-Blender reviews
When a lost Inter dimensional traveler falls into the SGC, he find himself helping them stop their latest invasion. The power to open doorways to other realities helps a lot.
Crossover - X-overs & Stargate: SG-1 - Rated: K - English - Adventure - Chapters: 6 - Words: 56,006 - Reviews: 27 - Favs: 25 - Follows: 43 - Updated: 9/22 - Published: 8/19 - Complete
Rebirth of the UNSC by ultimate Deathsaurer 2 reviews
Reach has Fallen and the Pillar of Autumn has set a course to earth but not the earth they remember. Adopted from Original Owner: Samsara Sage
Crossover - Stargate: SG-1 & Halo - Rated: T - English - Sci-Fi/Adventure - Chapters: 13 - Words: 39,790 - Reviews: 116 - Favs: 246 - Follows: 306 - Updated: 9/22 - Published: 10/12/2014
Stargate: La Naissance d'un Empire by hyprion38 reviews
L'histoire commence au début de la saison 8 de SG1 et au début de la saison 1 de SGA, il s'agit d'un crossover entre les deux séries mais il est possible que d'autres séries et films de SF viennent s'ajouter à l'histoire. Univers Alternatif. Réécriture de SG1 et de SGA à partir de 01x08 de SG1 et du 01x01 de SGA. Je mets un rating T pour plus de sécurité.
Crossover - Stargate: SG-1 & Stargate: Atlantis - Rated: T - French - Sci-Fi - Chapters: 12 - Words: 36,681 - Reviews: 13 - Favs: 9 - Follows: 13 - Updated: 9/22 - Published: 2/22/2015 - S. Carter, J. O'Neill, Elizabeth W., John S.
Konkurs by euphoria814
drabble wyzwaniowe
Crossover - Stargate: SG-1 & Stargate: Atlantis - Rated: K - Polish - Humor/Parody - Chapters: 1 - Words: 100 - Published: 9/22 - C. Mitchell, Rodney M., John S. - Complete
God's Eye by Todeswind reviews
Harry Dresden gets misplaced after the events of the Darkhallow. Suffice it to say tossed to the edge of the galaxy, he still manages to stir up trouble. After all, the universe exists to trouble Harry Dresden.
Crossover - Stargate: SG-1 & Dresden Files - Rated: T - English - Chapters: 27 - Words: 139,251 - Reviews: 944 - Favs: 1,432 - Follows: 1,616 - Updated: 9/21 - Published: 4/9/2012 - H. Dresden
Ryby by euphoria814
Lekki cross z humorem w tle
Crossover - Stargate: SG-1 & Stargate: Atlantis - Rated: K - Polish - Romance/Humor - Chapters: 1 - Words: 103 - Published: 9/21 - [J. O'Neill, John S.] C. Mitchell
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 protecting Anakin from the time he is nine years old 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: 19 - Words: 211,473 - Reviews: 10 - Favs: 30 - Follows: 42 - Updated: 9/20 - Published: 2/19/2014 - Anakin Skywalker, Padmé Amidala, S. Carter, D. Jackson
Brothers in Arms by Dave19941000 reviews
With the war between Earth and the Colonies a distant memory, the galaxy is once again plunged into a war of survival. But as is always the case threats are not only from without but within. Sequel to Brother's Betrayal
Crossover - Stargate: SG-1 & Battlestar Galactica: 2003 - Rated: T - English - Sci-Fi - Chapters: 2 - Words: 6,388 - Reviews: 14 - Favs: 64 - Follows: 104 - Updated: 9/20 - Published: 8/23
Life was simpler before by head.chantal reviews
Relationships are never easy then you add the Stargate into the mix & your asking for trouble. John, Rodney & Lorne visit Earth to seek Daniel's help with translating an artefact. Things take a turn when they meet Atlantis' new trauma lead. A face both pilots know well & one that will change life in the ancient city forever. Disclaimer see profile.
Crossover - Stargate: SG-1 & Stargate: Atlantis - Rated: K - English - Romance - Chapters: 13 - Words: 13,368 - Reviews: 4 - Favs: 3 - Follows: 11 - Updated: 9/19 - Published: 10/5/2014 - D. Jackson, John S., Jennifer K., E. Lorne
Where to Next? by TheVirtuoso
Something happens. Only Glee character is Schue, only SG1 are Daniel and Clo'Neill, only two OCs
Crossover - Stargate: SG-1 & Glee - Rated: K - English - Sci-Fi - Chapters: 1 - Words: 2,318 - Published: 9/18 - Complete
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: 11 - Words: 18,356 - Reviews: 4 - Follows: 3 - Updated: 9/18 - Published: 7/6 - Complete
Misconceptions by Feball3001 reviews
The SGC believed they had come across ancient goa'uld artefacts that had been buried in the sands of Egypt for many millennia. Instead, what they had recovered were the Millennium Items that had been sealed only a few short years before.
Crossover - Stargate: SG-1 & Yu-Gi-Oh - Rated: T - English - Adventure - Chapters: 13 - Words: 31,009 - Reviews: 38 - Favs: 36 - Follows: 45 - Updated: 9/17 - Published: 1/11 - S. Carter, D. Jackson, R. Bakura - Complete
Fargate by Destroyer Uv Nations reviews
SG1 and the crew of Moya must keep the stargate out of the hands of evil.
Crossover - Stargate: SG-1 & Farscape - Rated: K+ - English - Humor/Adventure - Chapters: 7 - Words: 12,311 - Reviews: 1 - Follows: 1 - Updated: 9/17 - Published: 9/5
An Extraordinary Journey by fmfan1980 reviews
Formerly titled "An Extraordinary Meeting", 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.
Crossover - Buffy: The Vampire Slayer & Stargate: SG-1 - Rated: T - English - Sci-Fi/Drama - Chapters: 199 - Words: 1,397,754 - Reviews: 878 - Favs: 251 - Follows: 341 - Updated: 9/17 - Published: 1/26/2014 - [Faith L., Willow R.]
The Aftermath: The End by fmfan1980 reviews
Sequel 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: 15 - Words: 59,861 - Reviews: 67 - Favs: 62 - Follows: 109 - Updated: 9/17 - Published: 6/3
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