Once Upon a Time Crossovers
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Circles by Lady Mena reviews
Regina está comprometida y al frente de la empresa familiar, Emma está profundamente enamorada y está pensando en proponerle casamiento a su novia Zelena. Narcissa lleva muchos años viviendo en Londres y tiene un matrimonio en apariencia perfecto, Hermione es una estudiante que viaja de intercambio a Londres. ¿Que podría salir mal?
Crossover - Once Upon a Time & Harry Potter - Rated: M - Spanish - Romance/Drama - Chapters: 2 - Words: 3,090 - Reviews: 1 - Favs: 3 - Follows: 4 - Updated: 10/12/2023 - Published: 10/6/2023 - Emma S., Regina M./The Evil Queen, Hermione G., Narcissa M.
Once Upon A Glorious Purpose by nevejoannis reviews
A collection of Regina/Loki stories. Summaries will be at the beginning of each entry. Mischief Queen. Some stories might have multiple chapters and others will be one-shots. Disclaimer: I do not own any characters from either universe!
Crossover - Once Upon a Time & Avengers - Rated: T - English - Hurt/Comfort/Fantasy - Chapters: 14 - Words: 56,581 - Reviews: 14 - Favs: 26 - Follows: 27 - Updated: 10/4/2023 - Published: 7/23/2021 - [Regina M./The Evil Queen, Loki]
Once We are Descendants by Number Ten reviews
When Mal of Auradon and Crystal of Storybrooke mix the wrong spells together, both end up accidentally opening a portal and sending the students of Auradon to Storybrooke. With no other choice but to work together, the teens meet their perspective "parents" of the small town. Some fit in easily, but some don't. What happens when a villainous character wants to use this their way?
Crossover - Once Upon a Time & Descendants, 2015 - Rated: K+ - English - Adventure/Fantasy - Chapters: 96 - Words: 205,006 - Reviews: 295 - Favs: 337 - Follows: 342 - Updated: 9/30/2023 - Published: 12/11/2017 - Emma S., OC, Mal, Carlos
La nouvelle habitante de Storybrooke by Marina Ka-Fai reviews
Emma devrait y être habituée désormais : les portails, les nouveaux arrivants, les aventures... mais non, elle est toujours surprise.
Crossover - Barbie & Once Upon a Time - Rated: K+ - French - Humor - Chapters: 1 - Words: 565 - Reviews: 1 - Favs: 1 - Follows: 1 - Published: 9/27/2023 - Barbie, Emma S. - Complete
Twin Stars by Canon Archives reviews
Austin and Ally come to Storybrooke! But everyone knows... no one comes to Storybrooke by accident.
Crossover - Once Upon a Time & Austin & Ally - Rated: K+ - English - Romance/Adventure - Chapters: 5 - Words: 12,533 - Reviews: 5 - Favs: 2 - Follows: 1 - Updated: 9/25/2023 - Published: 2/4/2023 - [Austin M., Ally D.] Emma S., Tinkerbell
Wackyland by Pajaros en la cabeza
Definitive version of this old crossover which uses the premise of OUAT. Warner Falls is a gloomy place where all dreams die and sparkless people just live by the day. But some of its neighbors soon discover that the town hides a terrible secret. Their sanity, everything they take for granted might be just a mere illusion... Multichapter. K plus for some violence. NOW COMPLETE.
Crossover - Looney Tunes & Once Upon a Time - Rated: K+ - English - Fantasy/Mystery - Chapters: 17 - Words: 68,692 - Favs: 2 - Follows: 2 - Updated: 9/21/2023 - Published: 9/6/2023 - Complete
Rumpelstiltskin and the Guardian by Emily Rose Gold reviews
Once he is banished from Storybrooke, Rumpelstiltskin discovers who the Dark One truly is. Unable to deal with this information he begins to hurt himself. Meanwhile, Harriet Potter is unable to help herself, let alone anyone else. When her worst enemy needs her help, will she be strong enough to give it? AU from the end of 4A in OUAT and Book/Movie 7 from Harry Potter
Crossover - Harry Potter & Once Upon a Time - Rated: T - English - Romance/Angst - Chapters: 6 - Words: 34,306 - Reviews: 9 - Favs: 42 - Follows: 46 - Updated: 9/12/2023 - Published: 8/17/2023 - Harry P., Henry Mills, Archie H./Jiminy Cricket, Rumpelstiltskin/Mr. Gold
Never the Twain Shall Meet by Hiralethe reviews
Evie Mills lived an ordinary life, never once imagining the enchantments hidden within the past of everyone in Storybrooke. At least until her little brother found his birth mother, throwing everyone's carefully ordered existence into complete and utter chaos.
Crossover - Once Upon a Time & Descendants, 2015 - Rated: T - English - Romance/Family - Chapters: 27 - Words: 28,974 - Reviews: 104 - Favs: 156 - Follows: 172 - Updated: 9/8/2023 - Published: 10/18/2017 - Henry Mills, Regina M./The Evil Queen, Evie, Harry H.
Harry Potter: Once Upon a Wizarding World by Sithsaiyan89 reviews
Days before Regina's Curse takes place, Rumplestiltskin is visited by Cora and has his heart crushed into dust. He is then Reborn as Harry Potter only to regain his powers and memories upon meeting the Daughter of Snow and Charming. How will this change effect both Worlds. Only by reading will you find out. Disclaimer: I own nothing that is recognized.
Crossover - Harry Potter & Once Upon a Time - Rated: M - English - Adventure/Mystery - Chapters: 2 - Words: 3,098 - Reviews: 7 - Favs: 44 - Follows: 56 - Updated: 9/4/2023 - Published: 8/21/2023
The Second Daughter (3) by CrystalFabray reviews
After returning to the Enchanted Forest, Hadley must balance the pressures of being a Princess with the new drama that threatens to destroy the peaceful life that she had fought hard to find.
Crossover - Once Upon a Time & Descendants, 2015 - Rated: T - English - Adventure/Fantasy - Chapters: 2 - Words: 2,909 - Reviews: 3 - Favs: 13 - Follows: 18 - Updated: 9/3/2023 - Published: 8/6/2023 - [Ben/Prince, OC] [David N./Prince Charming, Snow White/Mary M. Blanchard]
The Pirate Daughter by CrystalFabray reviews
Ok, you know Hadley's story. She was born to Snow White and Prince Charming, put in limbo for twelve years and found on the Isle of the Lost. What if Cora wasn't on the Isle after her daughter's curse? If the events of the Enchanted Forest played out how they were supposed to, what would become of Hadley?
Crossover - Once Upon a Time & Descendants, 2015 - Rated: K+ - English - Romance/Adventure - Chapters: 7 - Words: 10,285 - Reviews: 1 - Favs: 16 - Follows: 18 - Updated: 9/3/2023 - Published: 7/9/2022 - [OC, Audrey]
A Clash of Crowns: Westeros and Beyond by timelordhonour
Part TWO of 'A Clash of Worlds: The Dragon Queen and the Time Lord'. The Professor and Daenerys grow closer on their quest for the Iron Throne, with the Professor guiding her in leadership. In Westeros, Rumplestiltskin joins forces with Robb Stark to honor a pledge to Ned Stark.
Crossover - Game of Thrones & Once Upon a Time - Rated: M - English - Fantasy - Chapters: 28 - Words: 73,221 - Favs: 4 - Follows: 2 - Updated: 9/2/2023 - Published: 1/7/2023 - [Rumpelstiltskin/Mr. Gold, Belle/Lacey] Daenerys T., OC - Complete
Le fils d'Hades (par Aelita Yoru) by Comptoirdesauteurs reviews
Le soir de la mort du couple Potter, Harry ne fut pas envoyé chez les Dursley. En fait, une tornade emporta le bébé jusqu'à Zéléna. Comment sera celui qui est vu comme le Survivant en ayant été élevé par la méchante sorcière de l'ouest et le dieu des Enfers? Surtout s'il n'a jamais mis les pieds dans le monde magique? À vous de le découvrir…
Crossover - Harry Potter & Once Upon a Time - Rated: T - French - Romance/Family - Chapters: 4 - Words: 3,544 - Reviews: 12 - Favs: 37 - Follows: 44 - Updated: 8/21/2023 - Published: 1/30/2023 - [Hades, Zelena/The Wicked Witch of the West] Harry P.
Road Trip: Storybrooke by Michael Weyer reviews
Infinity Crisis tie-in. On their way to see Hawkeye, Kate and Yelena take a detour while meeting some transplanted ladies and find themselves in a magical town about to uncover a larger threat. Crossover with OUAT/Lost Girl/Wynonna Earp/Descendants.
Crossover - Once Upon a Time & Avengers - Rated: T - English - Chapters: 3 - Words: 22,300 - Reviews: 27 - Favs: 28 - Follows: 26 - Updated: 8/13/2023 - Published: 7/11/2022
Lady Frey et le pirate by Marina Ka-Fai reviews
Parfois, juste être dans les bras de quelqu'un, c'est suffisant.
Crossover - Game of Thrones & Once Upon a Time - Rated: K+ - French - Romance - Chapters: 1 - Words: 292 - Reviews: 2 - Favs: 1 - Follows: 1 - Published: 8/11/2023 - Killian Jones/Captain Hook - Complete
Welcome to Grimmsbrooke by FallenFairy20 reviews
Cole Corvin didn't believe in happy endings…until a blonde girl claiming to be his cousin came into his life. The 19 year old is whisked away to a small town in Maine known as Grimmsbrooke where the once citizens of Ever After have been robbed of their memories. Trapped by a curse, Cole must find a way to save the people of Grimmsbrooke before they lose everything for good.
Crossover - Once Upon a Time & Ever After High - Rated: T - English - Angst/Fantasy - Chapters: 3 - Words: 11,363 - Reviews: 1 - Favs: 8 - Follows: 9 - Updated: 8/7/2023 - Published: 2/7/2023 - [Raven Queen, Dexter Charming] Apple White, OC
The Second Daughter (2) by CrystalFabray reviews
It has been a month since Ben's coronation and Hadley's life has been great. After Hadley receives a note from her mother, she is thrown into a totally new world, literally.
Crossover - Once Upon a Time & Descendants, 2015 - Rated: K+ - English - Humor/Adventure - Chapters: 31 - Words: 64,202 - Reviews: 65 - Favs: 170 - Follows: 177 - Updated: 8/6/2023 - Published: 10/18/2017 - [OC, Ben/Prince] [Killian Jones/Captain Hook, Emma S.] - Complete
Xander Pan Never Fails by Ninja Master reviews
Xander Harris is really Peter Pan. Xander has forgotten his past and on Halloween he becomes his old self. Can the Scooby gang stop him from using a curse to turn Sunnydale into the new Neverland?
Crossover - Buffy: The Vampire Slayer & Once Upon a Time - Rated: T - English - Chapters: 8 - Words: 13,939 - Reviews: 1 - Favs: 15 - Follows: 14 - Updated: 8/3/2023 - Published: 6/12/2023 - Xander H., Peter Pan
Sweethearts by starrnobella
Graham had a very important question to ask Astoria and he used a sweet candy treat to help him out.
Crossover - Harry Potter & Once Upon a Time - Rated: K - English - Romance - Chapters: 1 - Words: 1,396 - Favs: 3 - Follows: 2 - Published: 7/31/2023 - [Astoria G., Sheriff Graham/The Huntsman] - Complete
Kinsfolk: A SwanQueen, SuperCorp, & SnowIng Tale by grtmnick
In the depths of her family's ancestral summer home, Queen Snow White carried to term two beautiful baby girls. The fraternal twins' Emma and Lena's existence was a closely guarded secret, so deeply hidden that the fates themselves failed to predict how the sisters would alter the threads of countless lives.
Crossover - Once Upon a Time & Supergirl - Rated: M - English - Fantasy/Drama - Chapters: 1 - Words: 70,188 - Favs: 8 - Follows: 8 - Published: 7/17/2023 - [Emma S., Regina M./The Evil Queen] [Kara D./Supergirl, Lena L.] - Complete
Un dieu pour fils by Marina Ka-Fai reviews
Oui, après tout, pourquoi un mortel n'aurait-il pas le droit de prendre un dieu pour fils ?
Crossover - Game of Thrones & Once Upon a Time - Rated: K+ - French - Friendship/Family - Chapters: 1 - Words: 326 - Reviews: 1 - Published: 7/16/2023 - Hades - Complete
Untitled (CaptainPierce) (Until I Think Of A Title) by Lizzy100
Set in OUAT S2, maybe will go beyond that. Also set some time after S5 when Kat was forced out of Elena's body in VD. When she died, she ended up in Kai's prison world. When she finds a way out, Hook eventually runs into her and helps her out, since Kai injured her. She promises him Storybrooke in return for his vengeance. What will ensue between them in Storybrooke?
Crossover - Vampire Diaries & Once Upon a Time - Rated: T - English - Adventure/Romance - Chapters: 3 - Words: 9,276 - Favs: 1 - Published: 7/10/2023 - Katherine, Hope M., Regina M./The Evil Queen, Killian Jones/Captain Hook
The Saviour and the Slayer by AFanofALotOfThings227 reviews
The Saviour, Emma, was never raised in the foster system. She was adopted by a family quite quickly, the Summers, where she got involved in her sister's life fighting vampires and demons. So when her son she gave up for adoption finds her and tells her she is The Saviour of a bunch of fairy tale characters, how would her reaction differ?
Crossover - Buffy: The Vampire Slayer & Once Upon a Time - Rated: K+ - English - Drama/Supernatural - Chapters: 4 - Words: 24,987 - Reviews: 8 - Favs: 24 - Follows: 26 - Updated: 7/9/2023 - Published: 3/26/2023 - Buffy S., Willow R., Emma S., Regina M./The Evil Queen
A Time Lord's Tale by timelordhonour reviews
Part SEVEN of 'Once Upon a Time Lord'. Takes place right after the events of Heroes and Villains. Emma Swan in now the Dark One, but she is lost in the realms. Who will find her first? The Darkness or the heroes? Only time will tell.
Crossover - Doctor Who & Once Upon a Time - Rated: K+ - English - Sci-Fi/Fantasy - Chapters: 16 - Words: 44,811 - Reviews: 2 - Favs: 1 - Follows: 2 - Updated: 7/9/2023 - Published: 9/15/2022 - [Clara O., OC] 12th Doctor, Rumpelstiltskin/Mr. Gold
I'll Cross The Universe (But Only For You) by GaybeTheEnBoy reviews
Regina's story wasn't as black and white as Henry's book made it seem. An attack by Snow White left Regina broken with her children in different realms. Now, Regina's lost in anger and pain, relying on an unlikely friend to stay afloat. But her children, as they navigate their new lives, are all trying to find their way home. (RE-UPLOAD.)
Crossover - Twilight & Once Upon a Time - Rated: M - English - Chapters: 35 - Words: 150,709 - Reviews: 2 - Favs: 37 - Follows: 37 - Updated: 7/5/2023 - Published: 5/18/2023 - [Bella, Rosalie] [Regina M./The Evil Queen, Emma S.]
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