Once Upon a Time Crossovers
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Once Upon an Undertale by Mrs. Tophat reviews
A young boy falls underground, meeting a variety of monsters, whom have been trapped for such a long time. Will he stay true to his path, or succumb to the spirit of wrath?
Crossover - Once Upon a Time & Undertale - Rated: T - English - Adventure/Fantasy - Chapters: 4 - Words: 3,935 - Reviews: 4 - Favs: 3 - Follows: 2 - Updated: 8h - Published: 3/18
Fairy tales vs the pink toad OH THE HORROR! by GabxLuci027
I realized that there are little to no stories about Fairy tales teaching at Hogwarts so here is mine. Alright so a few fairy tale characters are invited to teach in Hogwarts different times of magic .
Crossover - Harry Potter & Once Upon a Time - Rated: T - English - Humor/Romance - Chapters: 4 - Words: 1,294 - Favs: 2 - Follows: 3 - Updated: 10h - Published: 7/31 - [Harry P., Draco M.] [Belle/Lacey, Rumpelstiltskin/Mr. Gold]
Jedi of Storybrooke by ThatOneOncer reviews
Who knew that one oddly shaped hilt could send one person (or an entire town) spiralling into a world of seemingly make-believe? Who knew that one lost lightsaber could send one person (or four) into a different galaxy? Set after season 3, no Frozen or season 4/5 drama. Set after ROtS. Anakin doesn't turn to the dark side, Padme is alive. UP FOR ADOPTION.
Crossover - Star Wars & Once Upon a Time - Rated: T - English - Adventure/Fantasy - Chapters: 9 - Words: 11,878 - Reviews: 4 - Favs: 8 - Follows: 8 - Updated: 22h - Published: 1/20 - Anakin Skywalker, Padmé Amidala, Emma S., Belle/Lacey
The Jewel in the Sword by blckcat412
Prince Phillip and Mulan have a history that goes back to when they were little children. Follow the two as they grow up and fight on the battlefield together against the fearsome Shan Yu.
Crossover - Mulan & Once Upon a Time - Rated: T - English - Adventure/Romance - Chapters: 7 - Words: 6,232 - Favs: 2 - Follows: 3 - Updated: 8/27 - Published: 8/2/2014
graven images by qqueenofhades reviews
Deckerstar meets Captain Swan, for important reasons. Fluff, bickering, arguments about who is more devilishly handsome, and unexpected feels ensue. Probably one-shot but may end up with further installments...
Crossover - Once Upon a Time & Lucifer - Rated: T - English - Humor/Romance - Chapters: 1 - Words: 5,231 - Reviews: 1 - Favs: 2 - Follows: 1 - Published: 8/27 - [Emma S., Killian Jones/Captain Hook] [Chloe D., Lucifer M.] - Complete
Villains and Happy Endings by DhampyrX2 reviews
Regina felt as if she no longer belongs in Henry's life now that the curse has broken and Emma and Snow have returned from the Enchanted Forest. She is ready to lick her wounds and soldier on alone until and unexpected source provides her with another option.
Crossover - Once Upon a Time & Descendants, 2015 - Rated: T - English - Drama - Chapters: 9 - Words: 43,959 - Reviews: 144 - Favs: 207 - Follows: 253 - Updated: 8/27 - Published: 11/11/2015 - Regina M./The Evil Queen, Evie, Mal
Unknown Path of Fate by dtschadewald
I don't own Arrow or Once Upon a Time. All rights to Arrow belongs to DC comics. All rights to Once Upon a Time belongs to Disney. Merlin and his Apprentice discussing The Author's treachery as he caused the event that lead Laurels death. Join Oliver and Nyssa: as they realize that they were meant for each other
Crossover - Once Upon a Time & Arrow - Rated: T - English - Chapters: 2 - Words: 170 - Published: 8/26 - [Oliver Q., Nyssa al Ghul] Merlin, The Apprentice
Once upon a time by Susz reviews
Prequel to Magic comes with a price. How Douglas and Belle really met...rated T. Information inside about my account. Dedicated to Mariafl2001.
Crossover - Once Upon a Time & Lab Rats, 2012 - Rated: T - English - Romance/Drama - Chapters: 1 - Words: 1,694 - Reviews: 2 - Published: 8/26 - Regina M./The Evil Queen, Belle/Lacey, Chase, Douglas D. - Complete
Once Upon A Magic Arrow by OnceUponACaptainSwanFanfic reviews
Alors que l'équipe d'Arrow n'a plus d'espoir pour vaincre Darhk, Oliver va faire appel à une vielle amie qui va l'aider, soutenue par ses amis et sa famille. Mais vont-ils y arriver ? Et quel est ce passé en commun ? Une histoire fidèle à chacune des séries qui fait appel à la magie, la confiance, le courage et l'amitié. Après 04x19 Arrow et 05x20 OUAT. Olicity et Captain Swan !
Crossover - Once Upon a Time & Arrow - Rated: T - French - Friendship/Adventure - Chapters: 2 - Words: 2,685 - Reviews: 1 - Favs: 1 - Follows: 3 - Updated: 8/26 - Published: 8/18 - Emma S., Killian Jones/Captain Hook, Oliver Q., Felicity S.
I Hate Wonderland by JaneApricity
Bucky's dreams seem to be from another world. Oneshot.
Crossover - Once Upon a Time & Avengers - Rated: K+ - English - Humor/Adventure - Chapters: 1 - Words: 422 - Favs: 2 - Follows: 1 - Published: 8/26 - Jefferson/Mad Hatter, Black Widow/Natasha R., Captain America/Steve R., Bucky Barnes/Winter Soldier - Complete
Once Upon The 100 by M-dog14NCISgeek reviews
What if the Storybrooke Nevengers saved a certain someone instead of Hook?
Crossover - Once Upon a Time & 100 - Rated: K - English - Adventure/Family - Chapters: 8 - Words: 9,634 - Reviews: 5 - Favs: 20 - Follows: 27 - Updated: 8/25 - Published: 6/23 - Emma S., Regina M./The Evil Queen, Clarke G., Lexa
The Phoenix Sorcerer by The Silver Bullet reviews
In which a squid ink induced Rumple's heart is pulled out and turned to dust by Regina prior to enacting the dark curse. But of course, that doesn't kill the Dark One. Rather, he is reborn as Harry Potter and doesn't know otherwise until he meets a girl named Emma Swan.
Crossover - Harry Potter & Once Upon a Time - Rated: T - English - Adventure/Fantasy - Chapters: 30 - Words: 141,759 - Reviews: 306 - Favs: 368 - Follows: 411 - Updated: 8/24 - Published: 5/20
Buffy Summers Occupation Savior by Kitkat5979 reviews
After the battle with the first evil Faith decides that Buffy needs to actually have a life that does not revolve around death and violence so helps her start over. However trouble seems to follow Buffy when a young boy shows up on her doorstep and drags her back into the supernatural.
Crossover - Buffy: The Vampire Slayer & Once Upon a Time - Rated: K - English - Chapters: 57 - Words: 182,135 - Reviews: 93 - Favs: 79 - Follows: 100 - Updated: 8/24 - Published: 8/29/2015
Formerly Forbidden Love by crzykittyfangirl
In middle of Detention, Patricia Williamson and her teacher Jason Winkler are whisked away to Storybrooke. When they get caught up in the events and magic of this strange town, will they be forced to reveal their hidden feelings for each other?
Crossover - Het Huis Anubis/House of Anubis & Once Upon a Time - Rated: T - English - Romance/Adventure - Chapters: 11 - Words: 9,551 - Updated: 8/24 - Published: 1/6 - Patricia W., Jason W., Emma S., Ruby L./Red Riding Hood
Hope's Flickering Flame by ShadowObsessor01 reviews
A little piece of a trilogy I'm currently writing. Not sure if it will end up in the final cut or maybe an edited version but I figured might as well see what everyone thinks. The Trilogy will be a series of xovers so it's going to get a little mad 'round here. Try to see where I am going with it. R&R guesses will get more snippets of what I have so far. Much Love!
Crossover - Captain America & Once Upon a Time - Rated: T - English - Mystery/Hurt/Comfort - Chapters: 1 - Words: 1,521 - Reviews: 1 - Follows: 1 - Published: 8/23 - Steve R./Capt. America, Bucky B./Winter Soldier, Jefferson/Mad Hatter - Complete
A Lima (maybe) Fairytale by margotdavid
Sebastian is Emma's silent twin brother who just moved to Lima to meet his newest family: the Mercer's. Grace Mercer is a girl with a thousand plans and an outspoken attitude. They might just be what each other needs. But after all 'happy families are all alike; every unhappy family is unhappy in its own way'.
Crossover - Glee & Once Upon a Time - Rated: T - English - Romance/Family - Chapters: 1 - Words: 1,141 - Published: 8/23
An Inhuman Saviour by Leopold Fitz reviews
What if Emma Swan and Skye spent time together in the foster system? What if when they're separated, Emma joins Hydra, while Skye is picked up by S.H.I.E.L.D? Are the two rivals prepared to fight each other when the time comes? And what will Emma do when her fairy-tale parents finally find her, an Inhuman, working for Hydra? What happened after Emma and Skye were separated as kids?
Crossover - Once Upon a Time & Agents of S.H.I.E.L.D. - Rated: T - English - Friendship/Sci-Fi - Chapters: 5 - Words: 2,161 - Reviews: 10 - Favs: 7 - Follows: 15 - Updated: 8/23 - Published: 7/16 - Emma S., Skye/Daisy
Temptations by Velodis-Theory reviews
This is a crossover between OUAT, DW and Heroes. Regina and Sylar find themselves on another planet, where they meet The Doctor. Now they have to find out what got them here and how to get back. On this quest they must face temptations and their past.
Crossover - Doctor Who & Once Upon a Time - Rated: T - English - Sci-Fi/Humor - Chapters: 9 - Words: 21,415 - Reviews: 4 - Favs: 2 - Follows: 5 - Updated: 8/21 - Published: 8/12/2015 - 11th Doctor, Regina M./The Evil Queen
The Good Old Days - HermioneSheriff Graham - Oneshot Crossover by starrnobella
AU - Returning to her old apartment in Boston after five years in New York following the 9/11 catastrophe, Hermione is standing at the door not knowing what to expect on the other side. Will Graham be happy to see her or will he have moved on without even telling her? (Once Upon a Time/Harry Potter Crossover One-shot)
Crossover - Harry Potter & Once Upon a Time - Rated: T - English - Romance/Hurt/Comfort - Chapters: 1 - Words: 3,163 - Favs: 2 - Follows: 1 - Published: 8/20 - Hermione G., Sheriff Graham/The Huntsman - Complete
Thrive by SinginPrincess reviews
After weeks without communication, worry gets the best of Sergeant Olivia Benson, and so she sets off in search for her friend, Emma Swan. This leads her to Storybrooke, Maine.
Crossover - Law and Order: SVU & Once Upon a Time - Rated: T - English - Romance - Chapters: 4 - Words: 15,328 - Reviews: 26 - Favs: 38 - Follows: 67 - Updated: 8/20 - Published: 5/6/2014 - [O. Benson, Regina M./The Evil Queen] Emma S., Henry Mills
Untitled by Capture-the-Butterfly
This was my introduction fic into the Satan Squad. A OUAT and AHS crossover sort of. Older Peanut is the POV
Crossover - Once Upon a Time & American Horror Story - Rated: T - English - Chapters: 1 - Words: 1,265 - Published: 8/20 - Complete
In Blackness We Lay by BellatrixLestrangey reviews
A/U of course. Regina Mills, fed up with Storybrooke and the people in it, decides to make a new start in a new land. The one she winds up in is the HP universe where she encounters another witch who isn't in a very cheerful mood herself. This will be a Bellatrix/Regina femslash fic.
Crossover - Harry Potter & Once Upon a Time - Rated: T - English - Romance/Hurt/Comfort - Chapters: 10 - Words: 14,110 - Reviews: 40 - Favs: 46 - Follows: 79 - Updated: 8/20 - Published: 4/20/2014 - [Bellatrix L., Regina M./The Evil Queen] Hermione G., Narcissa M.
Once Upon A Light: season 2 by MissJulyandDarkShadow reviews
Now that the Dark Curse had been broken, Emma and other Guardians must face new dangers. And it's not easy, especially when the team got separated by a portal to the Enchanted Forest! Cora, Captain Hook, and much more! AU This season is divided in three arcs.
Crossover - Sailor Moon & Once Upon a Time - Rated: T - English - Chapters: 23 - Words: 130,811 - Reviews: 17 - Favs: 4 - Follows: 4 - Updated: 8/20 - Published: 3/19 - Sailor Senshi/Sailor Scouts, Emma S., Regina M./The Evil Queen, Snow White/Mary M. Blanchard
Through the Vortex by ml101 reviews
Set right after Belle banished Rumple at the end of 4A. The TARDIS takes the Doctor and Clara to the boundaries of Storybrooke, just in time to save an old friend. With nowhere to turn to, Rumplestiltskin prepares himself to live a new life. But can he really just forget the one he was forced to leave behind?
Crossover - Doctor Who & Once Upon a Time - Rated: K+ - English - Adventure - Chapters: 4 - Words: 17,329 - Reviews: 5 - Favs: 9 - Follows: 8 - Updated: 8/19 - Published: 5/7 - Clara O., 12th Doctor, Rumpelstiltskin/Mr. Gold
Multi Fandom Reader Inserts by DaisyErina
Another fandom reader insert!
Crossover - Supernatural & Once Upon a Time - Rated: T - English - Romance - Chapters: 3 - Words: 3,214 - Follows: 1 - Updated: 8/19 - Published: 8/15
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