Once Upon a Time Crossovers
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The Dark Frost by Alec534 reviews
Jack Frost has been protecting children for centuries, but what happens when he becomes the new Dark One? Our heroes will be facing new challenges, all the while avoid THE DARK FROST.
Crossover - Once Upon a Time & Rise of the Guardians - Rated: T - English - Fantasy/Adventure - Chapters: 8 - Words: 6,013 - Reviews: 2 - Favs: 2 - Follows: 2 - Updated: 1h - Published: 12/2/2016
For Howlin' Out Loud! by Fantasy Writer '92 reviews
A year after the events of Breaking Dawn, Leah Clearwater went on vacation to forget about Sam & Emily on their anniversary. What she didn't expect was to find her imprint, "Neal Cassidy". Then in February 2012, his long lost biological birth family turns up at their apartment. Surprise:They're fairytale characters from another world... And Rumpelstiltskin is her father in law!
Crossover - Twilight & Once Upon a Time - Rated: T - English - Family/Hurt/Comfort - Chapters: 2 - Words: 2,835 - Reviews: 1 - Favs: 1 - Follows: 1 - Updated: 4h - Published: 1/21 - Leah, Neal C./Baelfire, Rumpelstiltskin/Mr. Gold, OC
Once Upon a Looney by Pajaros en la cabeza
Looney Tunes version of the TV show Once Upon a Time. Warner Falls is just a normal town in which normal people live. But that is going to change. K just in case.
Crossover - Looney Tunes & Once Upon a Time - Rated: K+ - English - Fantasy - Chapters: 2 - Words: 3,936 - Updated: 9h - Published: 1/19
Simpatico by Mystical Authoress
Robin can barely handle how horribly complicated everything has gotten and needs someone to talk to who isn't Regina or one of the other Heroes. Thankfully, someone might be able to be there for him—none other than the Swordmaster who has just appeared in Storybrooke, that is. (no character tab for Nobutsuna Kamiizumi)
Crossover - Once Upon a Time & Bravely Default - Rated: T - English - Hurt/Comfort/Friendship - Chapters: 1 - Words: 4,880 - Published: 10h - Complete
Make A Hero Out of You by margotdavid
Veronna has been living in Middle Earth for decades with that it seems everything that can make her happy. Long were the days she would dream of an outside world with Baelfire or play in the ship with Killian. But when curiosity gets the best of her, she might find herself on a journey she couldn't imagine.
Crossover - Lord of the Rings & Once Upon a Time - Rated: T - English - Chapters: 12 - Words: 25,417 - Favs: 1 - Follows: 1 - Updated: 1/23 - Published: 12/14/2016
Imagine That by auswriteforyou
Imagines from my auswriteforyou tumblr about Once Upon A Time and Blindspot.
Crossover - Once Upon a Time & Blindspot - Rated: T - English - Romance/Angst - Chapters: 3 - Words: 3,792 - Published: 1/22 - Emma S., Henry Mills, Kurt, Jane D.
Once Upon A Time Lord: Season 1 by amandavg1 reviews
Henry has two books. One about time and space, and one about fairy tales. Both are true stories and legends, but because of the curse, no one believes that these two worlds exist or remembers who they really are. It's up to Henry to find the doctor and convince both Emma and him that they are the saviors that will break the curse that has time frozen across these two worlds.
Crossover - Doctor Who & Once Upon a Time - Rated: K+ - English - Drama/Adventure - Chapters: 7 - Words: 18,227 - Reviews: 2 - Favs: 5 - Follows: 5 - Updated: 1/21 - Published: 12/2/2016 - 11th Doctor, Clara O., Emma S., Henry Mills
No one mourns the Wicked by Bloemetje reviews
Lots of magical baby happening. Regina gives birth to an unusual and exceedingly peculiar and alltogether quite impossible to describable daughter. What happens when Elphie and Galinda grow up in Storybrooke? And will Elphaba be able to resist her evil genes?
Crossover - Wicked & Once Upon a Time - Rated: T - English - Humor/Hurt/Comfort - Chapters: 2 - Words: 1,236 - Reviews: 1 - Favs: 2 - Follows: 2 - Published: 1/21 - Elphaba T., Glinda U., Regina M./The Evil Queen, Maleficent
Ghosts That We Knew by sharky-clarky reviews
Emma's parents were hunters, but after their deaths she finds herself raised in the foster system with no memory of who they were and nothing but the name of the man who rescued her as an infant to indicate who she is. Now grown up, Emma will do anything to find who her parents were and what happened to them, even if that means becoming a hunter herself and finding the Winchesters.
Crossover - Supernatural & Once Upon a Time - Rated: T - English - Adventure/Supernatural - Chapters: 7 - Words: 33,588 - Reviews: 9 - Favs: 8 - Follows: 16 - Updated: 1/21 - Published: 7/11/2016
Pitch Black Comes to Storybrooke by zoepeanut reviews
In our world, magic exists if you know where to look. Belief is required to sense it, to see the beings that use it. Jack Frost is the only spirit left to fight back against Pitch Black, after Pitch destroyed nearly all the belief in our world. When Henry manages to bring that belief back for just a moment, both Pitch and Jack follow him back to Storybrooke for one final battle.
Crossover - Once Upon a Time & Rise of the Guardians - Rated: T - English - Chapters: 14 - Words: 37,654 - Reviews: 3 - Favs: 3 - Follows: 8 - Updated: 1/21 - Published: 10/22/2016
Once Upon A Light: season 3 by MissJulyandDarkShadow reviews
Emma, the guardians and the heroes are up for another adventure in Neverland, to save Little Em from Pan. The kid from the future is a key for Peter Pan's plan and the guardians might be pawns in his game as well. But what happens after Neverland? Will the missing year be calm or not? What shall they do when Zelena, in company of Seven Sins, plans to erase Regina from history?
Crossover - Sailor Moon & Once Upon a Time - Rated: T - English - Romance/Adventure - Chapters: 2 - Words: 15,691 - Reviews: 1 - Favs: 5 - Follows: 4 - Updated: 1/21 - Published: 12/18/2016 - Sailor Senshi/Sailor Scouts, Emma S., Regina M./The Evil Queen, Zelena/The Wicked Witch of the West
Dark in My Imagination by Emiko-Chanxoxo
AU: Emma Swan was a simple small town sheriff, trying to solve a series of murders that made their way through Storybrooke. L Lawliet stepped in to save the day. That is, till things got messy. Its a race against time, to save themselves and the townspeople. After all, nothing is ever what it seems. Crossover Fic Once Upon A Time/Death Note. (Changed fic names!)
Crossover - Death Note & Once Upon a Time - Rated: T - English - Suspense/Mystery - Chapters: 2 - Words: 4,839 - Favs: 1 - Updated: 1/20 - Published: 1/10 - L, BB, Emma S.
Érase una vez un lunático by Pajaros en la cabeza
TRADUCCIÓN DE MI FIC "ONCE UPON A LOONEY". Versión de la serie Érase una vez/Once Upon a Time con los Looney Tunes. Warner Falls parece un lugar normal habitado por gente corriente. Pero eso va a cambiar. K por si acaso.
Crossover - Looney Tunes & Once Upon a Time - Rated: K+ - Spanish - Chapters: 1 - Words: 2,609 - Published: 1/20
The Not So Good Place by Meresger reviews
Based on the NBC sitcom 'The Good Place', Emma ends up dead and in the wrong place, because, let's face it, even her goodness in the flashback past was retconned last season to make her a selfish idiot who got a woman killed. (There is currently no 'The Good Place' option to select for crossovers.)
Crossover - TV X-overs & Once Upon a Time - Rated: T - English - Humor/Parody - Chapters: 13 - Words: 45,906 - Reviews: 34 - Favs: 3 - Follows: 8 - Updated: 1/20 - Published: 10/6/2016 - Emma S., Neal C./Baelfire - Complete
El Autor by usaguilove95 reviews
Henry Mills le llega una misteriosa carta de la Biblioteca Metropolitana de Nueva York, ofreciendole un trabajo de Bibliotecario; pero no sabra de que trata hasta que acepte el puesto
Crossover - Once Upon a Time & Librarians, 2014 - Rated: T - Spanish - Adventure/Fantasy - Chapters: 3 - Words: 2,274 - Reviews: 2 - Follows: 1 - Updated: 1/19 - Published: 1/5
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: 60 - Words: 278,401 - Reviews: 523 - Favs: 473 - Follows: 546 - Updated: 1/18 - Published: 5/20/2016
Sins Of The Father by lululillie reviews
Regina Mills is the mayor of Storybrooke, Cora and Henrys daughter but what if she wasn't? What if she was Someone else's daughter? What if she was the archangel Lucifer's Child? Read as Lucifer and a few others watch Regina's recovery from villain to hero.
Crossover - Supernatural & Once Upon a Time - Rated: K - English - Hurt/Comfort/Family - Chapters: 10 - Words: 10,743 - Reviews: 1 - Favs: 5 - Follows: 4 - Updated: 1/18 - Published: 12/28/2016
The Evil Queen and the Half-Blood Prince by PrincessMaria reviews
En guérison après de sérieuses blessures, Minerva McGonagall fait appel à sa nièce Regina Mills pour la remplacer à Poudlard pendant son absence. Traduction de l'histoire de SilverCat64
Crossover - Harry Potter & Once Upon a Time - Rated: K+ - French - Humor/Romance - Chapters: 2 - Words: 3,671 - Reviews: 1 - Favs: 3 - Follows: 7 - Updated: 1/18 - Published: 1/1
Multi Fandom Reader Inserts by DaisyErina
Another fandom reader insert!
Crossover - Supernatural & Once Upon a Time - Rated: T - English - Romance - Chapters: 12 - Words: 14,396 - Favs: 1 - Follows: 2 - Updated: 1/17 - Published: 8/15/2016
The princess and the author by sparkle123tt reviews
Story takes place around the time emma becomes the dark one. However zelena takes the power instead. Now how will the gang deal with this?
Crossover - Merlin & Once Upon a Time - Rated: K+ - English - Adventure/Romance - Chapters: 1 - Words: 1,577 - Reviews: 1 - Favs: 1 - Follows: 1 - Published: 1/17 - Merlin, Arthur, OC, Henry Mills
Magic Blue Box by 23a reviews
A chance encounter could change a life. Or just lead to some chit-chatting.
Crossover - Doctor Who & Once Upon a Time - Rated: T - English - Drama/Adventure - Chapters: 5 - Words: 3,089 - Reviews: 3 - Favs: 12 - Follows: 10 - Updated: 1/17 - Published: 10/11/2015 - 12th Doctor, Emma S., Henry Mills, Belle/Lacey - Complete
Race Through Time by Emersonian reviews
After accidentally reading a spell, Rosetta is transported to the Enchanted Forest and encounters eight pilgrims, one of them being a Batrishan. In Storybrooke, an old acquaintance of Fidget has come for payback. Meanwhile, the Evil One is preparing for his arrival in Storybrooke on the day of his son's annular birthday eclipse.
Crossover - Canterbury Tales & Once Upon a Time - Rated: T - English - Adventure/Mystery - Chapters: 25 - Words: 47,310 - Reviews: 31 - Favs: 2 - Follows: 1 - Updated: 1/17 - Published: 12/29/2015 - OC, Killian Jones/Captain Hook, OC - Complete
In Her Arms by fashinitagirls reviews
Angela forces Jane to attend a dance. Here Jane meets her best of friends, and perhaps the love of her life. This story includes Rizzles and a hint of Swanqueen.
Crossover - Rizzoli & Isles & Once Upon a Time - Rated: K+ - English - Romance/Adventure - Chapters: 8 - Words: 8,975 - Reviews: 29 - Favs: 14 - Follows: 42 - Updated: 1/16 - Published: 8/11/2016 - J. Rizzoli, M. Isles, Emma S., Regina M./The Evil Queen
Staron in Storybrooke: A promise in four years by ojamajomary
Attention: Chinese only. WMG that Infinity Crisis will having a happy ending, Sharon suggest Steve taking a holiday in North US, and following a address from a nice couple that she met between Civil War and Infinity Crisis, they arrived Storybrooke. Surprisingly, Steve will meet a well-know figure that impressed him to being Cap... "Fairest Mighty!" as Emma said.
Crossover - Captain America & Once Upon a Time - Rated: K+ - Chinese - Family/Romance - Chapters: 8 - Words: 14,058 - Updated: 1/16 - Published: 1/4 - [Steve R./Capt. America, S. Carter] [David N./Prince Charming, Snow White/Mary M. Blanchard] - Complete
Evil isn't Born its Made by SilverCat64 reviews
Regina Mills is sent to Hogwarts School of Witchcraft and Wizardry to hone her magical abilities. there she will meet a young Severus Snape, the marauders and dangerous forces. its a combination of adventure unlikely friendships and something more... thank you Alexand33386041 for the idea!
Crossover - Harry Potter & Once Upon a Time - Rated: K+ - English - Adventure/Friendship - Chapters: 16 - Words: 16,245 - Reviews: 23 - Favs: 32 - Follows: 44 - Updated: 1/15 - Published: 10/19/2015 - Severus S., Minerva M., Marauders, Regina M./The Evil Queen
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