Buffy: The Vampire Slayer Crossovers
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Twists of Fate by Chunk127 reviews
Two universes are fused together by bumbling powers. The slayer starts a new life in Smallville after being kicked out of Hemery.
Crossover - Buffy: The Vampire Slayer & Smallville - Rated: T - English - Supernatural/Humor - Chapters: 19 - Words: 72,988 - Reviews: 127 - Favs: 45 - Follows: 79 - Updated: 46m ago - Published: 5/8/2012
Mutant Slayer by APhantasm reviews
On Buffy Summers 16th birthday she is called as a Slayer. Before Merrick can find her she is found by, Charles Xavier. He and Buffy's cousin Scott bring her to Xavier's School for Gifted Youngsters where they begin training her to control her powers, both mutant and Slayer.
Crossover - Buffy: The Vampire Slayer & X-Men: The Movie - Rated: T - English - Adventure - Chapters: 16 - Words: 43,129 - Reviews: 56 - Favs: 47 - Follows: 58 - Updated: 2h ago - Published: 2/5 - [Buffy S., Rogue]
Shanshu With You by CuppaTea13 reviews
Buffy and Angel, having earned a reward, are born again in a world where they could be together and the fights would be on a slightly smaller scale. Like, Washington D.C. sized. Their lives are different, but there are still some things that are the same: there's a darkness in the world that must be fought, life brings with it pain, and, most importantly, their love is forever.
Crossover - Buffy: The Vampire Slayer & Bones - Rated: T - English - Romance/Family - Chapters: 9 - Words: 19,690 - Reviews: 11 - Favs: 1 - Follows: 5 - Updated: 3h ago - Published: 2/24 - [Buffy S., S. Booth] T. Brennan
The Next Chapter by BuffyL reviews
Welcome to Mystic Falls. It's a lot like Sunnydale, minus the Hellmouth. Buffy's going to feel right at home.
Crossover - Buffy: The Vampire Slayer & Vampire Diaries - Rated: T - English - Drama/Supernatural - Chapters: 124 - Words: 537,459 - Reviews: 641 - Favs: 218 - Follows: 211 - Updated: 6h ago - Published: 9/20/2011 - Buffy S., Damon S.
An Extraordinary Meeting by fmfan1980 reviews
Willow from Sunnydale arrives at the SGC under extraordinary circumstances and goes on amazing adventures with the gang from the SGC. (This is a SG1 heavy story with some elements of BtVS and BSG:2003).
Crossover - Buffy: The Vampire Slayer & Stargate: SG-1 - Rated: T - English - Sci-Fi/Adventure - Chapters: 111 - Words: 716,352 - Reviews: 506 - Favs: 136 - Follows: 205 - Updated: 8h ago - Published: 1/26/2014 - [Faith L., Willow R.]
The Aftermath by fmfan1980 reviews
Based in the alternate reality visited by Captain Willow Rosenberg of SG1 in An Extraordinary Meeting (Chapter 61 to Chapter 64), this is just the aftermath of the events in that chapter.
Crossover - Buffy: The Vampire Slayer & Stargate: SG-1 - Rated: T - English - Sci-Fi - Chapters: 23 - Words: 69,885 - Reviews: 85 - Favs: 30 - Follows: 52 - Updated: 8h ago - Published: 9/19/2014
We Must Survive by secooper87 reviews
Seo isn't just a killing machine that you can turn on and off. But when humanity gets desperate… sometimes, they'll do anything.
Crossover - Buffy: The Vampire Slayer & Doctor Who - Rated: T - English - Horror/Adventure - Chapters: 7 - Words: 11,800 - Reviews: 2 - Favs: 2 - Follows: 2 - Updated: 16h ago - Published: 2/20 - Jack H., 11th Doctor
Star crossed by dw7thdoctor reviews
When Slayers and Kryptonians meet what will the out come be. past and present Slayers. Is there such a thing as star crossed.
Crossover - Buffy: The Vampire Slayer & Smallville - Rated: T - English - Sci-Fi/Supernatural - Chapters: 1 - Words: 775 - Reviews: 1 - Published: 17h ago - Buffy S., OC, Kara/Supergirl, OC
What's Inside of You? by 4CullensandaBlack reviews
Written for the FicAwesome Gift Exchange 2014 (FAGE) 007-Who doesn't want to find the person that will help to unleash the darkness and the light inside of them? Will a past love be able to do that for Faith or is the light that she has been searching for gone for good?
Crossover - Buffy: The Vampire Slayer & Supernatural - Rated: T - English - Drama/Supernatural - Chapters: 5 - Words: 6,316 - Reviews: 4 - Follows: 1 - Updated: 22h ago - Published: 11/17/2014 - Complete
The Fire of Midnight by anniesparrow reviews
Serenity encounters it's greatest adventure yet.
Crossover - Buffy: The Vampire Slayer & Firefly - Rated: K+ - English - Sci-Fi/Fantasy - Chapters: 6 - Words: 4,630 - Reviews: 1 - Favs: 1 - Follows: 4 - Updated: 3/2 - Published: 11/14/2014
Synchronicity by Authoressinhiding reviews
Dean Winchester only knows one person as screwed up as he is. She calls herself a Vampire Slayer. But wait, aren't vampires extinct? Set before Supernatural, post-Chosen. Faith and Dean friendship-centric.
Crossover - Supernatural & Buffy: The Vampire Slayer - Rated: T - English - Adventure/Friendship - Chapters: 16 - Words: 51,389 - Reviews: 40 - Favs: 18 - Follows: 32 - Updated: 3/2 - Published: 11/13/2014 - Faith L., Dean W.
The World's End by Chunk127 reviews
Buffy uses certain knowledge she learned about what will happen Halloween to her advantage as a hidden secret is about to rise up on the hellmouth. YAHF
Crossover - Buffy: The Vampire Slayer & Justice League - Rated: T - English - Adventure - Chapters: 28 - Words: 54,100 - Reviews: 136 - Favs: 139 - Follows: 172 - Updated: 3/2 - Published: 10/1/2014 - Xander H., Angel, Buffy S., Willow R.
Dawnie Does the Marvelverse by alienyouthct reviews
Dawn Summers decides to disregard the Scoobies' advice and have a heart-to-heart with a vengeance demon. Adventures ensue.
Crossover - Buffy: The Vampire Slayer & X-Men - Rated: T - English - Humor/Adventure - Chapters: 12 - Words: 19,123 - Reviews: 51 - Favs: 32 - Follows: 43 - Updated: 3/1 - Published: 1/30 - Dawn S., Emma F./White Queen
Not Just a Cop by J.D. Cunegan reviews
Kate Beckett is one of the NYPD's brightest homicide detectives, but she also harbors a dark secret - one that not even she was aware of until recently. She leads a double life of sorts, subjecting herself to horrors and conspiracies unlike anything else in the world. And once she saves bestselling author Richard Castle from certain death, things get even hairier.
Crossover - Buffy: The Vampire Slayer & Castle - Rated: T - English - Supernatural/Mystery - Chapters: 9 - Words: 19,902 - Reviews: 32 - Favs: 18 - Follows: 41 - Updated: 3/1 - Published: 1/29 - Angel, Faith L., Rick C., Kate B.
Human by MrsRickGrimes reviews
Buffy was chosen by her people to protect them from the predatory race, the "Vampires" but after New Earth is destroyed, Buffy transports herself onto the Enterprise seeking refuge. Spock finds himself fascinated by their new arrival as she is not quite human. An unusual bond is forged between them and a decision is made. (Oneshot)
Crossover - Buffy: The Vampire Slayer & StarTrek: The Original Series - Rated: K+ - English - Friendship/Family - Chapters: 1 - Words: 1,024 - Reviews: 2 - Favs: 1 - Published: 3/1 - Buffy S., Spock - Complete
Pandemonium by redcristal reviews
She was fated to die, so die she did. After all, she was the Prophecy Girl. Xander's attempt to save her failed. But for Buffy, death is just the beginning of her next adventure.
Crossover - Buffy: The Vampire Slayer & Naruto - Rated: K+ - English - Chapters: 11 - Words: 59,330 - Reviews: 18 - Favs: 30 - Follows: 40 - Updated: 3/1 - Published: 6/10/2014 - Buffy S., Team Seven
Letting Go is Hard by Barefoot XO reviews
Distraught at Angel's leaving her, Buffy seeks counsel from her local priest, Father Timothy Flotsky. Second in May God Have Mercy Series.
Crossover - Buffy: The Vampire Slayer & Soap - Rated: T - English - Spiritual/Drama - Chapters: 1 - Words: 901 - Reviews: 1 - Published: 2/28 - Buffy S., Tim F. - Complete
Are You an Angel? by Barefoot XO reviews
What if hell was a figurative word for where Acathla was meant to draw the Earth? What if hell was a desert world in a galaxy far, far away. Can Angel protect a different Chosen One from his fate? Only time will tell. First in the Guardian Angel series.
Crossover - Star Wars & Buffy: The Vampire Slayer - Rated: T - English - Adventure/Drama - Chapters: 2 - Words: 2,346 - Reviews: 4 - Favs: 4 - Follows: 11 - Updated: 2/28 - Published: 2/14 - Anakin Skywalker, Angel
Time and Again by Barefoot XO reviews
When Xander Harris goes missing in the Congo, you'll never guess where he ends up. Or perhaps I should say when?
Crossover - Buffy: The Vampire Slayer & Harry Potter - Rated: T - English - Drama/Adventure - Chapters: 6 - Words: 12,417 - Reviews: 90 - Favs: 332 - Follows: 463 - Updated: 2/28 - Published: 12/22/2013 - [Xander H., Minerva M.] Harry P., Neville L.
Xena: Have a Little Faith by wolvesjr34 reviews
Set after the end of Buffy, mid to late season 4 of Xena; Warrior Princess. Faith Lehane is mysteriously transported through a time portal back to ancient Greece. Faith finds herself captivated by Gabrielle, and this naturally causes concerns for Xena. Meanwhile Willow who witnesses Faith's disappearance has to work to bring the slayer back to her own time. Not my characters.
Crossover - Xena: Warrior Princess & Buffy: The Vampire Slayer - Rated: T - English - Adventure/Romance - Chapters: 3 - Words: 3,305 - Reviews: 1 - Favs: 1 - Follows: 1 - Updated: 2/27 - Published: 2/26
House of Cards by akat24 reviews
Pull one card out, and everything falls. For Buffy, it all started the night her mother walked into that London pub all those years ago.
Crossover - Buffy: The Vampire Slayer & Harry Potter - Rated: K - English - Chapters: 2 - Words: 5,281 - Reviews: 4 - Favs: 10 - Follows: 20 - Updated: 2/26 - Published: 2/21 - Buffy S., R. Giles, Sirius B., Albus D.
Howl by akat24 reviews
Buffy was supposed to be retired, and yet here she was, traipsing through the English countryside, hot on the trail of a werewolf.
Crossover - Buffy: The Vampire Slayer & Harry Potter - Rated: T - English - Chapters: 6 - Words: 18,952 - Reviews: 10 - Favs: 14 - Follows: 27 - Updated: 2/26 - Published: 1/25
A Hunter's Tale by Colleen reviews
Halloween on the Hellmouth has so many possiblilties. Apparently Ethan thought that one of the Slayer's little group going as a Vampire Hunter might be funny. Too bad neither he nor Xander know much about the costume.
Crossover - Buffy: The Vampire Slayer & Vampire Hunter D - Rated: T - English - Adventure/Supernatural - Chapters: 10 - Words: 66,514 - Reviews: 278 - Favs: 884 - Follows: 970 - Updated: 2/26 - Published: 1/13/2011 - Xander H.
Like Evil Peas In A Pod by thefriendlyguy63
When Willow and Tara practise a spell to get rid of all the monsters in Sunnydale, it goes badly wrong. How will Spike cope in the not-so distant future when in the company of a similar demon? And how will he return to his own time? Set in season 4 of Buffy and season 9 of Spn. (Disclaimer: I do not own Buffy or Supernatural, or any of the characters.)
Crossover - Buffy: The Vampire Slayer & Supernatural - Rated: K+ - English - Humor/Friendship - Chapters: 7 - Words: 10,934 - Favs: 2 - Follows: 3 - Updated: 2/26 - Published: 2/17 - Spike, Crowley - Complete
Xander Lestrange by Ninja Master reviews
Xander loses a bet and has to dress up as a woman for Halloween. He has no idea that be going as Bellatrix Lestrange, his long since dead aunt. That Ethan Rayne plans to change him into her. Changing his way of life has he knows it. EDITED AND RE-FORMATTED
Crossover - Buffy: The Vampire Slayer & Harry Potter - Rated: T - English - Supernatural/Fantasy - Chapters: 28 - Words: 28,604 - Reviews: 31 - Favs: 48 - Follows: 73 - Updated: 2/25 - Published: 3/18/2013 - Xander H., Bellatrix L.
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