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Stargate • 1640 stories • Updated 16 Apr

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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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 [169] • Words [785,443] • Recs [183] • Reviews [3539] • Hits [395,639] • Published [12 Dec 12] • Updated [16 Apr 14] • Completed [No]
Willow's on a mission from God
Only the author can add chapters to this story Stargate > Willow-Centered • (Recent Donor)DeacBlue • FR18 • Chapters [7] • Words [9,348] • Recs [4] • Reviews [48] • Hits [14,787] • Published [26 Feb 13] • Updated [12 Apr 14] • Completed [No]
An unexpected reunion between the Scoobies and the Fang gang reveals something wrong with Xander.
Only the author can add chapters to this story Stargate > General • MegKF • FR15 • Chapters [22] • Words [19,921] • Recs [1] • Reviews [209] • Hits [128,682] • Published [20 Feb 09] • Updated [29 Mar 14] • Completed [No]
When Buffy discovers that Glory's a god, she decides to call in the experts.
Only the author can add chapters to this story Stargate > General • EnergyBeing • FR13 • Chapters [3] • Words [5,027] • Recs [0] • Reviews [3] • Hits [4,075] • Published [18 Mar 14] • Updated [26 Mar 14] • Completed [No]
Xander's choice of Halloween costume has intergalactic consequences. How will he cope when the monsters are the only ones he can trust. YAHF. Wraith!Xander. Post series for SGA.
Only the author can add chapters to this story Stargate > Xander-Centered > Theme: Atlantis Project • xandersgirl • FR15 • Chapters [2] • Words [3,118] • Recs [3] • Reviews [16] • Hits [3,483] • Published [3 Mar 14] • Updated [4 Mar 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 [3] • Words [4,467] • Recs [5] • Reviews [48] • Hits [12,405] • Published [7 Feb 14] • Updated [20 Feb 14] • Completed [No]
Tara's family did harbour a demon...
Only the author can add chapters to this story Stargate > Tara-Centered • (Current Donor)vidicon • FR18 • Chapters [1] • Words [515] • Recs [0] • Reviews [5] • Hits [1,658] • Published [11 Feb 14] • Updated [11 Feb 14] • Completed [Yes]
BtVS, ST, SW, SG-1 crossover. Sometimes decisions have far reaching consequences, and things are not always as they seem.
Only the author can add chapters to this story Stargate > General • PitViper • FR18 • Chapters [4] • Words [14,852] • Recs [10] • Reviews [73] • Hits [18,699] • Published [8 Nov 13] • Updated [24 Jan 14] • Completed [No]
Xander centric. Fo Halloween Xander rents a hollywood prop space suit and awakens from a nightmare as a NSW Spartan (Halo III). The only one on earth or this universe. With Cortana's help they will change this Earths future.
Only the author can add chapters to this story Stargate > Xander-Centered > Theme: Soldier Xander • Grendel • FR13 • Chapters [17] • Words [209,775] • Recs [43] • Reviews [158] • Hits [82,654] • Published [18 Sep 13] • Updated [14 Jan 14] • Completed [No]
During her "will be done" spell, Willow wishes to be with people who won't abandon her to her pain and suffering, and know what belonging to a team really means. The next thing she knows she isn't in Sunnydale anymore.
Only the author can add chapters to this story Stargate > Willow-Centered > Theme: Friendship • RivanWarrioress • FR15 • Chapters [6] • Words [12,789] • Recs [3] • Reviews [48] • Hits [10,970] • Published [10 May 13] • Updated [29 Dec 13] • Completed [No]
What happens when you cross the Key, a Ferula Gemina, and SG-1 traveling through the Stargate?
Only the author can add chapters to this story Stargate > Dawn-Centered • EnergyBeing • FR13 • Chapters [24] • Words [43,988] • Recs [1] • Reviews [52] • Hits [20,479] • Published [9 Feb 13] • Updated [6 Nov 13] • Completed [Yes]
Part of the ‘Samantha Stark’ universe. What if Illyana, kidnapped by Belasco, met different people in Limbo? Would that have shaped a different Magik?
Only the author can add chapters to this story Stargate > General • (Current Donor)kedrann • FR18 • Chapters [1] • Words [4,978] • Recs [0] • Reviews [4] • Hits [1,656] • Published [30 Sep 13] • Updated [30 Sep 13] • Completed [No]
What if a wholly different Carter had come through the mirror? A Carter that not only never joined the Air Force but lived in a different world.
Only the author can add chapters to this story Stargate > General • (Current Donor)kedrann • FR18 • Chapters [1] • Words [8,903] • Recs [2] • Reviews [24] • Hits [3,218] • Published [15 Sep 13] • Updated [15 Sep 13] • Completed [Yes]
Sam woke up, but wasn't sure if she was still dreaming.
Only the author can add chapters to this story Stargate > General > Team: SG-1 Seasons(s) 6 • jakedaman • FR18 • Chapters [10] • Words [18,292] • Recs [0] • Reviews [14] • Hits [14,045] • Published [16 Jul 12] • Updated [9 Sep 13] • Completed [No]
Captain's Log. I'm Willow, Best friend of the Slayer, I'm smart, and I have the training and experience of a Captain of a Flag Vessel. I have no idea what I'm doing.
Only the author can add chapters to this story Stargate > General • AlexanderMcpherson • FR15 • Chapters [3] • Words [9,130] • Recs [0] • Reviews [33] • Hits [8,163] • Published [27 May 13] • Updated [13 Jun 13] • Completed [Yes]
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