Buffy: The Vampire Slayer Crossovers
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Shadows of the Apocalypse by pjmb13 reviews
During a losing battle with alien forces, an REF cruiser is forced into a desperate maneuver which takes them to an unexpected location. The survivors encounter a different world from what they are familiar with or known. What will they do especially when they encounter a pair of Vampire Slayers and how will the world react to their arrival.
Crossover - Buffy: The Vampire Slayer & Robotech/Macross - Rated: T - English - Sci-Fi/Romance - Chapters: 21 - Words: 110,791 - Reviews: 9 - Favs: 33 - Follows: 31 - Updated: 2h - Published: 4/2 - Xander H., Buffy S., Faith L.
An Extraordinary Meeting by fmfan1980 reviews
Willow from Sunnydale arrives at the SGC under extraordinary circumstances and goes on amazing interstellar, and intergalactic, adventures with the gang from the SGC. (This is a SG1 heavy story with some elements of BtVS and BSG:2003). Re-edits (28/07/2015): Slight re-edit on Chapter Two.
Crossover - Buffy: The Vampire Slayer & Stargate: SG-1 - Rated: T - English - Sci-Fi/Adventure - Chapters: 139 - Words: 998,406 - Reviews: 646 - Favs: 172 - Follows: 243 - Updated: 8h - Published: 1/26/2014 - [Faith L., Willow R.]
Born into Darkness by fmfan1980 reviews
Something I thought about while writing Chapter 129 of AEM. Faith was looking at a reality where she was beaten by Buffy during their fight before the ascension. Faith saw Buffy feed her alternate self to Angel to save him from a poison before she left. This is the story of the alternate Faith who survived; along with a revelation that one member of SG-1 will have to face.
Crossover - Buffy: The Vampire Slayer & Stargate: SG-1 - Rated: T - English - Sci-Fi/Drama - Chapters: 11 - Words: 59,957 - Reviews: 37 - Favs: 33 - Follows: 55 - Updated: 9h - Published: 6/9 - Faith L., S. Carter
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: 51 - Words: 153,902 - Reviews: 155 - Favs: 47 - Follows: 78 - Updated: 9h - Published: 9/19/2014 - [Willow R., Tara M.]
Reunion by secooper87 reviews
Despite being "dead", the Doctor and Seo have somehow woken up to find themselves on Gallifrey. But can Buffy and Jenny save them in time?
Crossover - Buffy: The Vampire Slayer & Doctor Who - Rated: K - English - Humor/Drama - Chapters: 22 - Words: 41,199 - Reviews: 7 - Favs: 4 - Follows: 4 - Updated: 16h - Published: 6/22 - Buffy S., Jack H., Jenny - Doctor's Daughter, 11th Doctor
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 pre-Supernatural, post-Chosen.
Crossover - Supernatural & Buffy: The Vampire Slayer - Rated: T - English - Adventure/Friendship - Chapters: 37 - Words: 137,963 - Reviews: 105 - Favs: 44 - Follows: 67 - Updated: 20h - Published: 11/13/2014 - Faith L., Dean W.
Torn In To Him (4) by kaitlin1227
This follows a couple months after Torn Apart. Make sure you've read the first 3 in my series before reading this one ) Will Buffy just continue living this new life or will she figure out that something is wrong and get her old one back?
Crossover - Buffy: The Vampire Slayer & Originals - Rated: T - English - Romance/Supernatural - Chapters: 9 - Words: 15,680 - Favs: 4 - Follows: 5 - Updated: 7/27 - Published: 7/8 - Buffy S., Klaus M., Elijah M.
Scoobies in a Marvel World II by lateVMlover reviews
This story is the sequel to "Scoobies in a Marvel World" and focuses on Xander and Dawn now both Asgardians, Buffy and Willow working for Tony, Sif and Loki both trying to ignore the First's influence, the appearance of the Winter Soldier and Hydra trying to use the slayers for their own purposes. Some romance with slight Steve/Buffy/Clint triangle
Crossover - Buffy: The Vampire Slayer & Avengers - Rated: K+ - English - Supernatural/Adventure - Chapters: 3 - Words: 10,675 - Reviews: 42 - Favs: 65 - Follows: 113 - Updated: 7/27 - Published: 6/28 - Xander H., Buffy S., Captain America/Steve R., Iron Man/Tony S.
Becoming Someone New by aaronlisa
She stares at herself in the mirror and she's not sure if she likes her reflection. (Anne Steel/Alonna Gunn)
Crossover - Buffy: The Vampire Slayer & Angel - Rated: T - English - Drama/Supernatural - Chapters: 1 - Words: 2,476 - Follows: 1 - Published: 7/26 - Complete
Drinks by EllieRose101
A Slayer, a Pirate, a Vampire, and a Savior walk into a bar… (Spuffy/Captain Swan Crossover Fic.)
Crossover - Buffy: The Vampire Slayer & Once Upon a Time - Rated: K+ - English - Humor - Chapters: 1 - Words: 747 - Follows: 2 - Published: 7/26 - [Buffy S., Spike] [Emma S., Killian Jones/Captain Hook] - Complete
Charmed: Another Halliwell by APhantasm reviews
Summary: Buffy Summers is the daughter of Joyce and Hank Summers. Joyce was born Patience Joyce Halliwell she was Prue, Piper and Phoebe's aunt. When Joyce dies Buffy is left in the care of her cousins. Pairings: Prue, Piper, and Phoebe (and later Paige) canon pairings. Buffy canon pairing till season 8 story arc. A/U Set during and after Charmed Season 1 and Buffy season 1.
Crossover - Buffy: The Vampire Slayer & Charmed - Rated: T - English - Fantasy/Drama - Chapters: 153 - Words: 949,034 - Reviews: 402 - Favs: 92 - Follows: 91 - Updated: 7/26 - Published: 3/9/2013 - Buffy S., Prue H., Piper H., Phoebe H.
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: 47 - Words: 54,094 - Reviews: 54 - Favs: 52 - Follows: 77 - Updated: 7/26 - Published: 3/18/2013 - Xander H., Bellatrix L.
Twenty-Six is the Loneliest Number by Nightmarish reviews
When Buffy's past catches up to her, it's cheeky, fearless, and its name is Henry.
Crossover - Buffy: The Vampire Slayer & Once Upon a Time - Rated: T - English - Family - Chapters: 3 - Words: 8,566 - Reviews: 11 - Favs: 15 - Follows: 28 - Updated: 7/26 - Published: 6/7
Second Chances by chadmaako reviews
What if, somehow, Willow couldn't do the spell needed to bring Buffy back at the start of Season 6? What if, instead, Buffy was allowed by the Powers That Be to say goodbye to the one person that understood her? What if she asked that person a favor? What if that person said yes? Let's find out together, shall we? Rated T for language and sexual situations. Read, review and enjoy.
Crossover - Buffy: The Vampire Slayer & Angel - Rated: T - English - Supernatural/Adventure - Chapters: 98 - Words: 430,148 - Reviews: 161 - Favs: 50 - Follows: 50 - Updated: 7/26 - Published: 4/24/2014
Stay With Me by Katie Macpherson reviews
"How did you find me here?" "If I was blind, I would still see you." Angel was tired of having to hide every day, and upon discovering a place where the sun never shone, Forks Washington, he figured he had found his new home and a chance to have a somewhat normal life. What he didn't expect to find was a wounded Bella Swan in the woods.
Crossover - Buffy: The Vampire Slayer & Twilight - Rated: T - English - Hurt/Comfort/Romance - Chapters: 2 - Words: 10,369 - Reviews: 5 - Favs: 20 - Follows: 25 - Updated: 7/25 - Published: 7/14 - Angel, Bella
Broken But Not Destroyed by lateVMlover reviews
This is set after Arrow season 2's undertaking. Oliver can't take the guilt and flees the city, leaving Thea, John, Felicity, and Roy to pick up the pieces. Buffy comes to Starling City looking for both a hellmouth and a new slayer. Buffy will help train and save city in Oliver's absence. Set more in the Arrow world than BTVS. Previously posted on Arrow main page.
Crossover - Buffy: The Vampire Slayer & Arrow - Rated: T - English - Adventure/Hurt/Comfort - Chapters: 31 - Words: 115,373 - Reviews: 39 - Favs: 53 - Follows: 74 - Updated: 7/25 - Published: 10/4/2014
Tales of Red, White, and Blue by alienyouthct reviews
A voyage beyond the city limits of Sunnydale during the events of "Red, White, and Blue". NEWEST: Hockey Knight in Boston #1
Crossover - Buffy: The Vampire Slayer & Avengers - Rated: T - English - Adventure/Romance - Chapters: 2 - Words: 6,486 - Reviews: 2 - Favs: 8 - Follows: 9 - Updated: 7/25 - Published: 1/31
Harry Potter and the Gaining of Faith by chadmaako reviews
She is a slayer. Born to fight the demons, vampires and the forces of darkness. Now, because of bad luck and bad mistakes, she's running. He is The Boy Who Lived. Destined to destroy the Dark Lord. Now, because of a loveless home and a manipulative old wizard, he is more alone than ever. Together, they are more than they ever were apart. Rated T for language, violence and innuendo.
Crossover - Buffy: The Vampire Slayer & Harry Potter - Rated: T - English - Supernatural/Romance - Chapters: 13 - Words: 87,405 - Reviews: 211 - Favs: 403 - Follows: 554 - Updated: 7/25 - Published: 3/28
Uncle Quentin's Spy by Starfox5 reviews
In the summer following her 4th year at Hogwarts, Hermione Granger is visited by a great-uncle she hasn't met before, and learns that the world is older than she thought, and that wizards are not the only ones fighting the forces of Darkness.
Crossover - Harry Potter & Buffy: The Vampire Slayer - Rated: T - English - Adventure/Romance - Chapters: 20 - Words: 111,780 - Reviews: 194 - Favs: 215 - Follows: 301 - Updated: 7/25 - Published: 3/9 - [Harry P., Hermione G.] Q. Travers - Complete
Gem of All Portals by ml101 reviews
The Watchers' Council have their own prophetic destinies...and the most unlikely Watchers just happens to be the most important of them all. Giles and Wesley find themselves at the center of it all. Rewrite of episodes from both Buffy and Angel-verse focusing on our two favorite Watchers (mostly Wesley).
Crossover - Angel & Buffy: The Vampire Slayer - Rated: K+ - English - Adventure/Fantasy - Chapters: 11 - Words: 40,138 - Reviews: 18 - Favs: 2 - Follows: 3 - Updated: 7/25 - Published: 5/19 - R. Giles, Wesley W.P.
When We Stand Together by alienyouthct reviews
Dawn spent her first three years of high school on the mouth of hell. Compared to that, Reefside is practically a vacation…
Crossover - Buffy: The Vampire Slayer & Power Rangers - Rated: T - English - Romance/Adventure - Chapters: 4 - Words: 8,943 - Reviews: 8 - Favs: 27 - Follows: 36 - Updated: 7/24 - Published: 11/8/2014 - [Dawn S., Kira F.]
Collision Course by Meromorph reviews
For Halloween, Willow goes as the Mind of a Culture spaceship, and Buffy and Xander, as members of her crew. Then Ethan casts his spell. How will two humans and one small sentient ship, endowed with the heritage of a bright (but apparently fictional) space-faring civilization, respond to the state of the galaxy and world? A "Ship of the Line" multi-crossover.
Crossover - Buffy: The Vampire Slayer & Stargate: SG-1 - Rated: T - English - Sci-Fi - Chapters: 5 - Words: 21,814 - Reviews: 29 - Favs: 85 - Follows: 126 - Updated: 7/24 - Published: 6/25 - Xander H., Buffy S., Willow R.
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: 20 - Words: 76,611 - Reviews: 142 - Favs: 56 - Follows: 89 - Updated: 7/24 - Published: 5/8/2012
Tara Sheppard by fmfan1980 reviews
What if Tara was Major John Sheppard's half sister? Just a thought I had while writing one of my chapters. Takes place after the Siege of Atlantis, and during 'Seeing Red' of BtVS. I know timelines don't match which is why this is AU.
Crossover - Buffy: The Vampire Slayer & Stargate: Atlantis - Rated: T - English - Family/Sci-Fi - Chapters: 3 - Words: 11,986 - Reviews: 12 - Favs: 17 - Follows: 30 - Updated: 7/23 - Published: 7/11
The Battle of the Twelve Armies by TheLycanKing reviews
The Scooby Gang aid a company of Dwarves that are on a quest to reclaim their kingdom from the dragon Smaug.
Crossover - Buffy: The Vampire Slayer & Hobbit - Rated: T - English - Supernatural/Adventure - Chapters: 14 - Words: 34,862 - Reviews: 6 - Favs: 4 - Follows: 5 - Updated: 7/21 - Published: 5/18
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