Once Upon a Time Crossovers
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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 - [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: 5 - Follows: 3 - Published: 7/17 - [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 - 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 - Published: 7/10 - 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: 21 - Follows: 21 - Updated: 7/9 - Published: 3/26 - 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 - Published: 9/15/2022 - [Clara O., OC] 12th Doctor, Rumpelstiltskin/Mr. Gold
Broken by amdo reviews
With the curse broken, the residents of Pixfare struggle between their original and cursed memories, and are left wondering of the fate of their world.
Crossover - Incredibles & Once Upon a Time - Rated: K - English - Chapters: 14 - Words: 63,613 - Reviews: 16 - Favs: 7 - Follows: 8 - Updated: 7/5 - Published: 5/28/2019 - Elastigirl, Mr. Incredible, Jack-Jack P., Syndrome
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: 32 - Follows: 33 - Updated: 7/5 - Published: 5/18 - [Bella, Rosalie] [Regina M./The Evil Queen, Emma S.]
The Modern Fairy Tale Town Book 5: Wicked is Coming by PerkyGoth14 reviews
After Emma and Henry leave Storybrooke and Regina enacts a new curse, she sends herself as well as everyone else in town and their descendants back into their Fairy Tale counterparts in The Enchanted Forest and start a new life altogether. However, the spell comes with a couple of prices which include aging down the descendants and they face a new foe: The Wicked Witch from Oz.
Crossover - Once Upon a Time & Descendants, 2015 - Rated: T - English - Adventure/Fantasy - Chapters: 22 - Words: 139,542 - Reviews: 4 - Favs: 23 - Follows: 20 - Updated: 7/4 - Published: 1/13 - Regina M./The Evil Queen, Zelena/The Wicked Witch of the West, Ben/Prince, Audrey - Complete
Finding a real family through a wish by Ziya Hitsugaya reviews
At 17 Regina was secretly pregnant she had a heathy baby boy. Giving her son a bracelet that said Harry with golden letters and two crystal apples. on each side of his name. It was all she could give him. Full summary inside.
Crossover - Harry Potter & Once Upon a Time - Rated: T - English - Chapters: 6 - Words: 16,708 - Reviews: 12 - Favs: 94 - Follows: 107 - Updated: 6/12 - Published: 5/8 - Harry P., Hermione G., Emma S., Regina M./The Evil Queen
Time to Go Home by purastella reviews
It was obvious to Hermione that some outside force was at work here; Henry's strange appearance with a magical storybook in tow provided enough evidence that something bigger was going on, though what it had to do with her sister she was unsure. Hermione just hoped that he was wrong and that it had nothing to do with fairytales- she'd had enough of those to last her a lifetime.
Crossover - Harry Potter & Once Upon a Time - Rated: M - English - Family/Drama - Chapters: 14 - Words: 105,011 - Reviews: 262 - Favs: 426 - Follows: 619 - Updated: 6/10 - Published: 1/17/2018 - Hermione G., Emma S.
Messed Up Masterpiece by purastella reviews
The daughter of an evil queen, the son of a woodcarver, and the daughter of the Dark One. Three individuals who were forced to suffer for years thanks to the decisions of others. Emma Swan may be the one destined to break the curse, but Lily, August, and Hermione are going to make sure that, when all is said and done, the only ones who truly win will be them.
Crossover - Harry Potter & Once Upon a Time - Rated: T - English - Drama/Romance - Chapters: 2 - Words: 7,390 - Reviews: 13 - Favs: 45 - Follows: 73 - Updated: 6/10 - Published: 9/18/2022 - Hermione G., Pinocchio/August B., Lily
Wild and Imperfect, But Perfectly Right by Canon Archives reviews
When Fate brings two worlds together, a new adventure starts and new love may bloom. Will be kind of like a prequel to The Phoenix, if I succeed at writing it :)
Crossover - Enchanted & Once Upon a Time - Rated: K+ - English - Romance/Adventure - Chapters: 1 - Words: 1,267 - Reviews: 1 - Favs: 1 - Published: 6/9 - Morgan P., Henry Mills, Neal N., Hope Swan-Jones
Worlds Collide: Finding Home In Storybrooke by ChelsP1013 reviews
Tris, Four, Katniss, and Peeta find themselves in Storybrooke, Maine. They want to get back to their worlds and the life they knew and (sorta) loved. Emma and Killian find the four and decide to help them try to get back to their respective worlds. The six become unlikely friends and they realize their life here was so much better than at home. Disclaimer: No Characters Are Mine.
Crossover - Divergent Trilogy & Once Upon a Time - Rated: K - English - Fantasy - Chapters: 4 - Words: 7,392 - Reviews: 5 - Favs: 1 - Follows: 1 - Updated: 6/6 - Published: 4/29 - Tris/Beatrice P., Four/Tobias, Emma S., Killian Jones/Captain Hook
Le sang retrouvé by Marina Ka-Fai reviews
Il a une fille. Et de cette fille, il a des petits-enfants.
Crossover - Game of Thrones & Once Upon a Time - Rated: T - French - Drama/Family - Chapters: 1 - Words: 385 - Reviews: 2 - Favs: 1 - Follows: 1 - Published: 6/3 - Lancel L., Rumpelstiltskin/Mr. Gold - Complete
Friends, six femmes et la vie by irrealite reviews
Crossover Friends avec personnages de OUAT, Supergirl et Rizzoli&Isles. 6 amies. Regina, cuisinière, vivant en colocation avec Maura, médecin légiste. De l'autre côté du couloir, Emma, garante de caution, vit en colocation avec Kara une journaliste et écrivaine. La grande soeur de Regina, Lena, scientifique & PDG, vit de l'autre côté de la rue. Et la détective Jane.
Crossover - Once Upon a Time & Supergirl - Rated: T - French - Romance/Friendship - Chapters: 28 - Words: 136,052 - Reviews: 80 - Favs: 23 - Follows: 15 - Updated: 5/27 - Published: 5/25/2022 - [Emma S., Regina M./The Evil Queen] [Kara D./Supergirl, Lena L.]
To love a monster by scorpion22 reviews
Emily Tyler was a normal young woman in London in 1883, but when she has a chance encounter with Edward Hyde her life and his will be changed forever.
Crossover - Dr. Jekyll and Mr. Hyde & Once Upon a Time - Rated: M - English - Romance - Chapters: 14 - Words: 38,436 - Reviews: 17 - Favs: 27 - Follows: 26 - Updated: 5/20 - Published: 10/5/2014 - E. Hyde, H. Jekyll, OC - Complete
RunawayOUAT x HPWTSHenry Mills by 26mmarker
"And I was running far away, Would I run off the world someday? Nobody knows, nobody knows, And I was dancing in the rain, I felt alive and I can't complain. But no, take me home, Take me home where I belong, I can't take it any more." -Runaway by AURORA Also on Archive of Our Own and Wattpad
Crossover - Harry Potter & Once Upon a Time - Rated: T - English - Fantasy/Sci-Fi - Chapters: 1 - Words: 1,514 - Favs: 2 - Follows: 4 - Published: 5/12
Untangled by cosette141 reviews
(Tangled/OUAT crossover) "Who the bloody hell are you?" Flynn jerked awake at the sinister voice, and the distinct feeling of sharp metal under his chin. The first thing he noticed was the pirate standing next to him, a hook replacing the man's left hand, and a cold, angry flash in his eyes as he held the metal appendage to his throat. (Captain Swan & Flynn/Rapunzel)
Crossover - Tangled & Once Upon a Time - Rated: T - English - Friendship/Romance - Chapters: 3 - Words: 5,802 - Reviews: 4 - Favs: 7 - Follows: 8 - Updated: 5/11 - Published: 5/7 - [Eugene F./Flynn R., Rapunzel] [Emma S., Killian Jones/Captain Hook]
Harry Potter - OUAT by FrostZero007 reviews
Harry comes to a small town in search of his daughter, but finds more he was looking for.
Crossover - Harry Potter & Once Upon a Time - Rated: M - English - Adventure/Family - Chapters: 3 - Words: 4,825 - Reviews: 16 - Favs: 143 - Follows: 167 - Updated: 5/10 - Published: 10/12/2021 - Harry P., Regina M./The Evil Queen, Zelena/The Wicked Witch of the West, Ingrid/Snow Queen
Conjoined by The White Shell Mermaid
After fleeing from Mistress Broomhead, Eva and Leah, accompanied by Constance and Pippa, arrive in Storybrooke. A reunion is had.
Crossover - Worst Witch & Once Upon a Time - Rated: K+ - English - Angst/Family - Chapters: 1 - Words: 6,517 - Published: 5/9 - C. Hardbroom, P. Pentangle, Regina M./The Evil Queen, OC - Complete
Once Upon a Walker by gillyflower34 reviews
Between Carl and Henry, no house has a chance of keeping them inside. Beth can control animals with her voice. Daryl's a werewolf. And since there's no swearing in the fairy tale realm, every time Merle talks, he sounds like Ned Flanders. There's a better summary inside. Enjoy!
Crossover - Walking Dead & Once Upon a Time - Rated: M - English - Adventure/Romance - Chapters: 7 - Words: 16,588 - Reviews: 1 - Favs: 3 - Follows: 1 - Updated: 5/2 - Published: 1/28 - [Rick G., Emma S.] [Daryl D., Ruby L./Red Riding Hood]
Le banquier et la sorcière by Marina Ka-Fai reviews
Christos lui aura tout fait, pense Irina. Tout! [Riviera/OUAT]
Crossover - Misc. Tv Shows & Once Upon a Time - Rated: K+ - French - Romance - Chapters: 1 - Words: 765 - Reviews: 2 - Published: 4/24 - Zelena/The Wicked Witch of the West - Complete
Dragon Born Wizard by Trace Carter reviews
Acting on a desire for redemption and a Happily Ever After, Regina makes a choice that reunites a mother and a son, changing the course of history for the Enchanted Forest and the Wizarding World.
Crossover - Harry Potter & Once Upon a Time - Rated: T - English - Family - Chapters: 3 - Words: 7,972 - Reviews: 35 - Favs: 270 - Follows: 360 - Updated: 4/22 - Published: 11/8/2022 - Harry P., Maleficent
Did You Just Punch Out Cthulhu? by StarvingLunatic reviews
Emma Swan is getting married to Regina Mills and she has invited her old friend, Kara Danvers, to the wedding. She hopes this will give Kara the courage to propose to Lena Luthor. Kara and Lena drag Alex along because she owes Emma one hell of an apology.
Crossover - Once Upon a Time & Supergirl - Rated: T - English - Romance/Drama - Chapters: 4 - Words: 22,543 - Reviews: 13 - Favs: 35 - Follows: 37 - Updated: 4/22 - Published: 4/1 - Emma S., Regina M./The Evil Queen, Kara D./Supergirl, Lena L. - Complete
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