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Stargate • 1648 stories • Updated 31 Aug

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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Xander picks up a strange sword at Ethan's, and becomes the demon king! Now with Stargate and Discworld!
Only the author can add chapters to this story Stargate > Xander-Centered • Nerdgirl • FR18 • Chapters [36] • Words [38,606] • Recs [16] • Reviews [290] • Hits [305,821] • Published [20 Mar 08] • Updated [5 Aug 13] • Completed [No]
Xander Harris is very unlikely hero. Possibly only ranking just above the person he dressed as for Halloween. SotL Challenge Response. 2nd Cross: Star Wars
Only the author can add chapters to this story Stargate > Xander-Centered > Theme: Halloween Memories • Oxnate • FR18 • Chapters [6] • Words [16,602] • Recs [40] • Reviews [277] • Hits [53,986] • Published [19 Sep 12] • Updated [31 Jul 13] • Completed [No]
When Angelus’ rampage resulted in the death of a slayerette, the friendship between the two left behind shatters. They went their separate ways; one torn by guilt, the other by hatred. Nine years later their paths collide...
Only the author can add chapters to this story Stargate > Xander-Centered • Xsara • FR15 • Chapters [1] • Words [966] • Recs [0] • Reviews [9] • Hits [3,441] • Published [30 Jul 13] • Updated [30 Jul 13] • Completed [No]
Sequel to "The Basic Insane Survival Guide" Wherein we deal with re-emerging gods and prophecies unfulfilled.
Only the author can add chapters to this story Stargate > Xander-Centered • Genuka • FR15 • Chapters [5] • Words [5,186] • Recs [0] • Reviews [45] • Hits [12,466] • Published [19 Jan 13] • Updated [23 Jul 13] • Completed [No]
What happens when Xander dresses up as the Master Chief in command of the Ascendant Justice and Ethan Rayne sends costumes of the Scooby Gang to SG-1 for his "special" Halloween?
Only the author can add chapters to this story Stargate > Xander-Centered > Theme: Halloween Memories • Genuka • FR15 • Chapters [14] • Words [23,151] • Recs [20] • Reviews [219] • Hits [77,456] • Published [16 Mar 13] • Updated [22 Jul 13] • Completed [No]
Halloween's come and twisted everyone's Schwartz..
Only the author can add chapters to this story Stargate > Xander-Centered • CrazyDan • FR18 • Chapters [1] • Words [850] • Recs [1] • Reviews [25] • Hits [6,124] • Published [22 Jul 13] • Updated [22 Jul 13] • Completed [No]
Response to my own Challenge. What happens when three complete sets of the tailed beasts are unleashed on Buffy universe.
Only the author can add chapters to this story Stargate > General • Geheylan • FR7 • Chapters [3] • Words [4,449] • Recs [1] • Reviews [20] • Hits [5,578] • Published [9 Mar 13] • Updated [20 Jul 13] • Completed [No]
Halloween was only the beginning... Now Xander must Reclaim a galaxy lost to darkness.
Only the author can add chapters to this story Stargate > General > Theme: Action • Zaion • FR18 • Chapters [3] • Words [7,879] • Recs [7] • Reviews [40] • Hits [14,909] • Published [3 Jul 13] • Updated [13 Jul 13] • Completed [No]
During Halloween the Chaos Spell pulled in more then just the costumes and personilities but a complete ship of the line to go with it, and this Hunter is ready to hunt some snakes...Completed for Now!
Only the author can add chapters to this story Stargate > Xander-Centered • deathzealotzero • FR15 • Chapters [3] • Words [12,049] • Recs [4] • Reviews [67] • Hits [21,188] • Published [16 Dec 12] • Updated [13 Jul 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 [1] • Reviews [33] • Hits [8,710] • Published [27 May 13] • Updated [13 Jun 13] • Completed [Yes]
Inspired by and based on "Fall of the Republic" by grd, this answers the question of what happened to Oz at the Initiative base, and how he was turned to the Dark Side of the Force by Darth Mortalis...
Only specified co-authors can add chapters to this story Stargate > Xander-Centered • DarthTenebrus • FR18 • Chapters [4] • Words [8,772] • Recs [0] • Reviews [6] • Hits [1,585] • Published [4 Apr 13] • Updated [8 Jun 13] • Completed [No]
Xander is stuck as the demon exterminator of San Francisco with a group of four baby slayers when he finds Ronon Dex and John Sheppard trying to kill a demon.
Only the author can add chapters to this story Stargate > Xander-Centered > Pairing: Other Slash • Sofiel • FR18 • Chapters [3] • Words [3,440] • Recs [1] • Reviews [12] • Hits [6,594] • Published [15 May 13] • Updated [30 May 13] • Completed [No]
A one-shot story for my other tale "He Ain't Heavy", in which Genuka went off in another direction for Chapt. 17. A certain wish demon makes an appearance during Quentin Travers' trial conducted by the Watchers Council. Open to other authors!
Only specified co-authors can add chapters to this story Stargate > Xander-Centered • (Recent Donor)Manchester + 1 other • FR15 • Chapters [2] • Words [1,749] • Recs [0] • Reviews [21] • Hits [4,889] • Published [28 May 13] • Updated [30 May 13] • Completed [No]
He was supposed to be an army officer, but then Xander didn't know the difference between army and Air force fatigues... and instead ended up as a soldier with one hell of a secret.
Only the author can add chapters to this story Stargate > General • AlexanderMcpherson • FR13 • Chapters [2] • Words [1,731] • Recs [2] • Reviews [12] • Hits [8,076] • Published [27 May 13] • Updated [27 May 13] • Completed [No]
Have you ever stood between two mirrors on opposite walls and wondered what all the rest of the you's were thinking? Twisted response to Challenge 4242(Capt. Willow of the PROMETHEUS) AND 7035(SotL).
Only the author can add chapters to this story Stargate > General • HMaxMarius • FR15 • Chapters [6] • Words [44,423] • Recs [42] • Reviews [184] • Hits [23,889] • Published [2 Jan 13] • Updated [25 May 13] • Completed [Yes]
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