Once Upon a Time Crossovers
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MARIO: Rebirth by Brittany Bauer
S1 - Leda Riamo is a normal 16-year-old girl in Boston, though orphaned by her parents. But, when a girl who looks JUST LIKE HER turns up, she is thrust into an adventure she never thought was possible. Now she and this twin she never knew before must work together to bring the video games back.
Crossover - Mario & Once Upon a Time - Rated: T - English - Adventure/Family - Chapters: 1 - Words: 5,605 - Favs: 2 - Follows: 2 - Published: 3/14 - [Luigi, Peach] OC, OC
Once Upon a Witch by Snapy49 reviews
Regina a un lourd secret, à la mort de Daniel, elle se rend compte qu'elle est enceinte. Elle se voit obligée d'abandonner le bébé dans notre monde. Remplie de remords et de regrets, elle part alors à la recherche de sa fille, actuellement étudiante à Poudlard. Arrivera-t-elle à recréer cette histoire perdue avec sa chère Hermione ?
Crossover - Harry Potter & Once Upon a Time - Rated: T - French - Adventure/Family - Chapters: 75 - Words: 88,892 - Reviews: 202 - Favs: 80 - Follows: 103 - Updated: 3/13 - Published: 11/13/2017 - Hermione G., Henry Mills, Regina M./The Evil Queen, Robin Hood - Complete
Once Upon a Witch ! by Snapy49 reviews
Regina has a big secret, when Daniel dies, she realizes she's pregnant. She is forced to abandon the baby in our world. Filled with remorse and regret, she leaves in search of her daughter, currently a student at Hogwarts. Will she manage to recreate this lost story with her Hermione?
Crossover - Harry Potter & Once Upon a Time - Rated: T - English - Adventure/Family - Chapters: 75 - Words: 80,968 - Reviews: 114 - Favs: 330 - Follows: 336 - Updated: 3/13 - Published: 2/20/2018 - Hermione G., Henry Mills, Regina M./The Evil Queen, Robin Hood - Complete
How Emma Swan is related to the House of White by LittleMiddleA
Emma Swan finds out that she has more relatives then she thinks...in NYC.
Crossover - 10th Kingdom & Once Upon a Time - Rated: T - English - Mystery/Family - Chapters: 4 - Words: 5,333 - Favs: 2 - Follows: 2 - Updated: 3/11 - Published: 12/25/2023
Between the Moon and the City Lights by Esther-Channah reviews
When eleven-year-old Emma Swan ran away to Los Angeles, she thought she'd scored a truly outrageous placement. But music isn't always magic and glitter isn't always gold. Mostly gen with some Kimber/Stormer.
Crossover - Jem & Once Upon a Time - Rated: K+ - English - Angst/Friendship - Chapters: 25 - Words: 88,995 - Reviews: 45 - Favs: 4 - Follows: 1 - Updated: 3/10 - Published: 1/20/2023 - Danse/Giselle D., Kimber B., Jerrica B./Jem, Emma S.
Harry Potter in Storybrooke by USANAguy reviews
Following the events of 'Harry Potter and the Deathly Hallows', After the downfall of Lord Voldemort, what happens when 'The Magical Congress of America' dispatches three young witches and wizards to investigate a mysterious magical phenomenon in the state of Maine.
Crossover - Harry Potter & Once Upon a Time - Rated: T - English - Sci-Fi/Fantasy - Chapters: 18 - Words: 61,708 - Reviews: 28 - Favs: 69 - Follows: 96 - Updated: 3/7 - Published: 5/29/2023 - Harry P., Hermione G., Emma S., Regina M./The Evil Queen
La vengeance d'une concubine by Marina Ka-Fai reviews
Mais ce qui l'effraye le plus, c'est la haine dans ses yeux. Peut-être ne l'a-t-elle pas volé. Après tout, elle a causé sa perte.[Magnificent Century/OUAT]
Crossover - Misc. Tv Shows & Once Upon a Time - Rated: T - French - Drama - Chapters: 1 - Words: 519 - Reviews: 1 - Favs: 1 - Follows: 1 - Published: 3/4 - Zelena/The Wicked Witch of the West - Complete
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: 3 - Words: 4,291 - Reviews: 3 - Favs: 14 - Follows: 19 - Updated: 3/3 - Published: 8/6/2023 - [Ben/Prince, OC] [David N./Prince Charming, Snow White/Mary M. Blanchard]
Regina's Little Prince by Sherly4ever reviews
After witnessing Emma saving Henry's life with true loves kiss, Regina decides that an entire life change is needed. Departing Storybrooke for a different dimension, she is shocked to find that her new home has magic. A surprising meeting with an 11-year-old boy in Diagon Alley changes the Evil Queens life forever.
Crossover - Harry Potter & Once Upon a Time - Rated: T - English - Fantasy/Family - Chapters: 8 - Words: 6,068 - Reviews: 109 - Favs: 253 - Follows: 342 - Updated: 2/18 - Published: 4/1/2022 - Harry P., Regina M./The Evil Queen
Devil ship The Rise of Pirates by MarcusMax
History the boy pirate William Turner III, who while trying to row a boat to his father's ship hits on a German's ship time WWII. It is he who will have to escape with the others from this terrible ship and take part in the bloodiest war and become the savior of the Land Without Magic from the most terrible evil.
Crossover - Pirates of the Caribbean & Once Upon a Time - Rated: K+ - English - Supernatural/Adventure - Chapters: 7 - Words: 15,028 - Updated: 2/18 - Published: 9/5/2023 - Will T., Elizabeth S., Will Turner III, Granny - Complete
Un bonheur simple by Marina Ka-Fai reviews
L'amour, ça peut être aussi simple qu'un petit cadeau qui vient du coeur et un moment passé ensemble. [GOT/OUAT]
Crossover - Game of Thrones & Once Upon a Time - Rated: K+ - French - Romance - Chapters: 1 - Words: 317 - Reviews: 2 - Favs: 2 - Follows: 2 - Published: 2/18 - Belle/Lacey - Complete
Witch Hunt by jadzia-tieflingcore
A new curse has been cast over the inhabitants of Storybrooke and so Killian asks his old friend to join him in helping the Charming family. (Sequel to Good Form)
Crossover - Mortal Instruments & Once Upon a Time - Rated: T - English - Chapters: 3 - Words: 6,773 - Updated: 2/3 - Published: 12/30/2023 - OC, Killian Jones/Captain Hook, Robin Hood, Zelena/The Wicked Witch of the West
The Modern Fairy Tale Town Book 6: Storybrooke Has Frozen Over by PerkyGoth14
In part 6 of the Modern Fairy Tale saga, Emma, Audrey, Ben, and Killian return from The Enchanted Forest in the past after defeating The Wicked Witch of the West, things become quite chilling in Storybrooke, especially with the arrival of Robin Hood's beloved Maid Marian and Elwin trying to find himself while everyone else has their own story to tell.
Crossover - Once Upon a Time & Descendants, 2015 - Rated: T - English - Family/Fantasy - Chapters: 7 - Words: 45,665 - Favs: 13 - Follows: 10 - Updated: 1/30 - Published: 9/26/2023 - [OC, Lonnie] Elsa
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: 8 - Words: 11,030 - Reviews: 1 - Favs: 17 - Follows: 18 - Updated: 1/30 - Published: 7/9/2022 - [OC, Audrey]
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: 30 - Words: 145,149 - Reviews: 84 - Favs: 25 - Follows: 18 - Updated: 1/29 - Published: 5/25/2022 - [Emma S., Regina M./The Evil Queen] [Kara D./Supergirl, Lena L.]
A Snowy Biltmore Christmas by starrnobella reviews
Hermione and Killian spend Christmas together at the Biltmore Estate in Ashville, North Carolina.
Crossover - Harry Potter & Once Upon a Time - Rated: K - English - Romance - Chapters: 1 - Words: 1,564 - Reviews: 1 - Favs: 4 - Follows: 2 - Published: 1/17 - [Hermione G., Killian Jones/Captain Hook] - 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: 50 - Follows: 55 - Updated: 1/16 - Published: 8/17/2023 - Harry P., Henry Mills, Archie H./Jiminy Cricket, Rumpelstiltskin/Mr. Gold
Warrior by KnownPrincess reviews
Emma Swan is fourteen years old, her sister Lilly is 17. They live in Storybrooke with their parents. Emma hates her parents, but not because they make her wash the dishes, or don't let her see a boy she likes, she hates them because she is an allogeneic donor for Lilly who has leukemia. Emma is now being forced to give her part of her own body but she's refusing!
Crossover - Misc. Books & Once Upon a Time - Rated: T - English - Hurt/Comfort/Family - Chapters: 4 - Words: 9,358 - Reviews: 6 - Favs: 6 - Follows: 7 - Updated: 1/16 - Published: 10/19/2021
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: 10 - Words: 22,288 - Reviews: 1 - Favs: 4 - Follows: 2 - Updated: 1/5 - Published: 1/28/2023 - [Rick G., Emma S.] [Daryl D., Ruby L./Red Riding Hood]
Good Form by jadzia-tieflingcore
When Emma and Snow meet Killian, they also meet his companion of many years-Majo Bane, a warlock from a different land. (Set in OUAT) [Written in 2018; edited in 2023; the sequels are better]
Crossover - Mortal Instruments & Once Upon a Time - Rated: T - English - Chapters: 13 - Words: 31,331 - Favs: 2 - Follows: 1 - Updated: 12/29/2023 - Published: 7/11/2023 - OC, Killian Jones/Captain Hook - Complete
La visiteuse de Kaamelott by Marina Ka-Fai reviews
Elle lui évoque brièvement la Dame du Lac. Et au vu de sa mise, elle n'est pas d'ici. [Kaamelott/OUAT]
Crossover - Kaamelott & Once Upon a Time - Rated: K+ - French - Friendship - Chapters: 1 - Words: 773 - Reviews: 2 - Published: 12/28/2023 - Zelena/The Wicked Witch of the West - Complete
Sins Of The Father: Rewrite by lululillie
Regina is Lucifer's daughter. He along with Michael, Gabriel, Castiel and the Winchesters watch her fate in the hopes one of theirs might change for the better.
Crossover - Supernatural & Once Upon a Time - Rated: K - English - Chapters: 3 - Words: 17,715 - Favs: 9 - Follows: 11 - Updated: 12/23/2023 - Published: 11/1/2023 - Castiel, Lucifer, Gabriel, Regina M./The Evil Queen
bloom the true savior! hook her true love! by narcissaromanov1918 reviews
after the battle with diaspro and sky and merging back into time. a kid who happens to be her nephew came to se eher and found out where her first blood adopted parents were. and who they were. she wasnt expecting them to be snow and charming. follow bloom and her true love through a great many aventure!
Crossover - Winx Club & Once Upon a Time - Rated: M - English - Romance/Hurt/Comfort - Chapters: 2 - Words: 12,581 - Reviews: 1 - Favs: 3 - Follows: 3 - Updated: 12/19/2023 - Published: 11/5/2023 - [Killian Jones/Captain Hook, Bloom]
Once Upon a Time in Auradon by RyanInTheTARDIS reviews
While Henry is journeying through the Realms of Story in search of his own adventures, an accident throws him through a portal to a realm not found in any of the Author's storybooks - a realm known as the United States of Auradon.
Crossover - Once Upon a Time & Descendants, 2015 - Rated: M - English - Romance/Friendship - Chapters: 3 - Words: 11,083 - Reviews: 1 - Favs: 5 - Follows: 11 - Updated: 12/16/2023 - Published: 7/27/2020
New Year, new friends, new love by SilverInk.IvoryQuill reviews
Actually, Dr. Strange and Jemma Simmons just wanted to have a serious talk on New Year's Eve. But a very annoyed Mutant and an Evil Queen change their plans drastically. The round table is filling further with another doctor and another queen and suddenly they are all there: People from different worlds who don't match at all but who have more in common than one might think.
Crossover - Once Upon a Time & Doctor Strange - Rated: K+ - English - Humor/Parody - Chapters: 4 - Words: 5,274 - Reviews: 4 - Favs: 9 - Follows: 11 - Updated: 12/15/2023 - Published: 2/1/2018 - [Regina M./The Evil Queen, Dr. S. Strange]
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