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Stargate • 1651 stories • Updated 30 Sep

What if Willow's spell didn't just activate the slayers on this planet? When the goa'uld took their slaves to seed the galaxy, were humans all they took? Could Andrew enter the SGC without hypervenilating to death? The answers lie within our selection of Stargate crossover fanfics.

Join the Scoobies as they go through the Stargate with Jack, Sam, Daniel & Teal'c, or head further afield to the city of Atlantis.

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Filter by character: Jack  Daniel  Buffy  Xander  Willow  Sam  Dawn  Faith  Giles  John  Hammond  Rodney  Teal'c  Janet  Spike  Elizabeth  Samantha  Vala  Cordelia  Angel  Cassie  Joyce  Ronon  Teyla  Riley  Andrew  Jon  Illyria  Tara  Thor  Oma  Carson  Jacob  Landry  Lorne  Wesley  Harris  Cameron  Cam  Oz  Anya  Fred  Graham  Mitchell  Walter  Harry  Paul  Whistler  Jonas  Kennedy  Connor  Sheppard  Fraiser  Cassandra  Ethan  Kinsey  Methos  Hailey  Alex  Atlantis 
Portal Girl and her dear minion, Buffyguard, meet Science Lady and her intrepid companion on their last evening in Vegas. Things will never be the same again. Or even the next morning.
Only the author can add chapters to this story Stargate > Multiple Pairings • (Moderator)acs • FR18 • Chapters [6] • Words [28,932] • Recs [15] • Reviews [90] • Hits [25,704] • Published [19 Nov 09] • Updated [1 Oct 14] • Completed [No]
Alex is back from her 5-day trip to Hermione Granger’s world. But she's going to need everything she learned if she wants to survive, starting with finding her world's Willow Rosenberg. (Cross with BtVS, SG-1, HP, DCU...)
Only the author can add chapters to this story Stargate > General • DianeCastle • FR13 • Chapters [222] • Words [1,108,518] • Recs [241] • Reviews [5635] • Hits [654,934] • Published [12 Dec 12] • Updated [1 Oct 14] • Completed [No]
With greater experience comes ever-increasing challenges for Cordelia. Sequel to "Fate's Little Plaything Vol 1" and next in the "A Different Future" series.
Only the author can add chapters to this story Stargate > Cordelia-Centered • Cordyfan • FR13 • Chapters [25] • Words [377,984] • Recs [57] • Reviews [504] • Hits [118,257] • Published [10 Mar 11] • Updated [1 Oct 14] • Completed [No]
And in those days of darkness a brave few stood against the wave of evil. Some fell, others were broken, a few triumphed. All were heroes. This is their story.
Only specified co-authors can add chapters to this story Stargate > General > Theme: Multi-Crossovers • HMaxMarius + 19 others • FR18 • Chapters [321] • Words [509,406] • Recs [12] • Reviews [1084] • Hits [339,312] • Published [18 Dec 12] • Updated [30 Sep 14] • Completed [No]
Buffy and Teal'c come to the rescue - Pairings: Buffy/Teal'c, Dawn/Jon
Only the author can add chapters to this story Stargate > Buffy-Centered > Pairing: Teal'c • (Recent Donor)DeepBlueJoy • FR18 • Chapters [46] • Words [112,796] • Recs [28] • Reviews [672] • Hits [253,145] • Published [12 May 09] • Updated [28 Sep 14] • Completed [No]
A mistake happens during the joining spell.
Only the author can add chapters to this story Stargate > Buffy-Centered • hmhughes • FR7 • Chapters [2] • Words [5,249] • Recs [3] • Reviews [38] • Hits [6,253] • Published [22 May 13] • Updated [26 Sep 14] • Completed [No]
While hunting for more ZPM's for Atlantis, Dr. Jackson discovers hints to the location of the Ancient city of Avalon. Little did he know that his discovery would reunite the 13th colony with it's long lost bretheren. Stargate SG1 Atlantis nBSG xover
Only the author can add chapters to this story Stargate > Non-BtVS/AtS Stories • Naitch • FR18 • Chapters [18] • Words [82,438] • Recs [6] • Reviews [70] • Hits [29,864] • Published [22 Sep 08] • Updated [21 Sep 14] • Completed [No]
A Willow story I have on FF.net. Willow from Sunnydale arrives at the SGC under extraordinary circumstances. This arrival would eventually lead to amazing adventures for the red head. (Will probably be including BSG:2003 somewhere along the line)
Only the author can add chapters to this story Stargate > Willow-Centered > Pairing: Other • fmfan • FR18 • Chapters [64] • Words [346,740] • Recs [4] • Reviews [27] • Hits [44,563] • Published [13 Jul 14] • Updated [19 Sep 14] • Completed [No]
Returning from Orilla the Odyssey engages in a fierce battle with the Ori the outcome of which catapults the ship and her crew into a different universe full of dangers beyond anything encountered by the SGC before.
Only the author can add chapters to this story Stargate > Non-BtVS/AtS Stories • ajw • FR18 • Chapters [5] • Words [26,615] • Recs [3] • Reviews [53] • Hits [10,221] • Published [5 Apr 14] • Updated [17 Sep 14] • Completed [No]
Ship of the Line challenge response: Snyder's roped the Scoobies and the Cordettes into chaperoning the kids for Halloween. Adding further to their misery, he added a group theme they had to dress as. After tonight, Earthforce shall rise...
Only the author can add chapters to this story Stargate > Xander-Centered • Fablesrogue • FR18 • Chapters [1] • Words [6,686] • Recs [4] • Reviews [21] • Hits [3,083] • Published [13 Sep 14] • Updated [13 Sep 14] • Completed [No]
Willow and Xander find themselves in a new universe, after gaining all the knowledge and powers of the Goa'uld they set out to build an empire of their own to fight the big-bads.
Only the author can add chapters to this story Stargate > General > Theme: AU • Ian • FR18 • Chapters [1] • Words [4,182] • Recs [2] • Reviews [36] • Hits [2,579] • Published [12 Sep 14] • Updated [12 Sep 14] • Completed [No]
An idea planted by the "Ship of the Line" challenge
Only the author can add chapters to this story Stargate > Xander-Centered > Theme: Halloween Memories • serbob • FR18 • Chapters [4] • Words [5,375] • Recs [6] • Reviews [73] • Hits [21,300] • Published [7 Feb 14] • Updated [10 Sep 14] • Completed [No]
Family is very important to the Scoobies. Family is very important to SG1. It just so happens that the Scoobies and SG1 are family.
Only the author can add chapters to this story Stargate > Xander-Centered > Theme: Xander's Real Family • KnifeHand • FR18 • Chapters [4] • Words [6,215] • Recs [1] • Reviews [17] • Hits [7,535] • Published [9 Sep 14] • Updated [10 Sep 14] • Completed [No]
Jack O'Neill wasn't Loki's only unsanctioned experimental subject-- just the only one under Thor's protection. On an unnamed extraterrestrial base, a former Sunnydale resident waits.
Only the author can add chapters to this story Stargate > Tara-Centered • (Current Donor)jedibuttercup • FR13 • Chapters [3] • Words [7,532] • Recs [19] • Reviews [120] • Hits [13,839] • Published [31 Mar 09] • Updated [9 Sep 14] • Completed [Yes]
It was bad enough he went off world all the time where she couldn't follow. (Ring of the Gods 'verse.)
Only the author can add chapters to this story Stargate > Buffy-Centered > Pairing: Cameron Mitchell • (Current Donor)jedibuttercup • FR15 • Chapters [2] • Words [4,122] • Recs [3] • Reviews [13] • Hits [5,229] • Published [19 Aug 11] • Updated [6 Sep 14] • Completed [Yes]
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