Big Bang Theory Crossovers
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Like Magic by DraconisHyperion reviews
A story response to the challenge "this is a CHALLENGE!", written by MxTwo /Challenge summary: Sheldon and Harry Potter are married. One day, the gang see/find the ring and question Sheldon. Sheldon tells them he is married and they don't believe him until the meet his husband./ Heavily AU (it is a crossover). No beta. Rated M to be safe. R&R Please!
Crossover - Harry Potter & Big Bang Theory - Rated: M - English - Romance/Humor - Chapters: 6 - Words: 7,375 - Reviews: 100 - Favs: 550 - Follows: 682 - Updated: 9/27 - Published: 3/6/2017 - [Harry P., Sheldon C.] Leonard H., Penny
The Teenage Mutant Ninja Turtles Meets the Big Bang Theory by Dts17
Weird and mysterious things begin to happen when Leonard suddenly gets invited to New York City to give a speech to grad students at the University of New York which ultimately leads to him meeting the 4 heroes in green after a sudden Kraang attack. I don't own both shows, all credit goes to the creators.
Crossover - Big Bang Theory & Teenage Mutant Ninja Turtles - Rated: T - English - Friendship/Adventure - Chapters: 1 - Words: 9,396 - Favs: 1 - Follows: 1 - Published: 9/22 - Complete
Alternate Universes: Part 34 – The Big Bang Theory by FandomLover2006
The thirty-fourth part of the fanfiction.
Crossover - Big Bang Theory & Young Sheldon - Rated: T - English - Humor/Sci-Fi - Chapters: 3 - Words: 3,398 - Published: 9/18 - Sheldon C., Amy Farrah Fowler, Missy C., Mrs. Cooper
The Journey To A Better Life by XArtemisia-AbsinthiumX reviews
Non-magic. Aurora Potter was a fashion prodigy. Graduated from Central Saint Martins, a world famous fashion university, at the age of 15; she studied under the world’s most prestigious designer for 3 years. Finally after her internship she moves to America, Pasadena to build her own career. There she encounters Penny and the boys. From there her life changes forever. Fem!Harry
Crossover - Harry Potter & Big Bang Theory - Rated: T - English - Romance/Friendship - Chapters: 5 - Words: 22,791 - Reviews: 30 - Favs: 154 - Follows: 202 - Updated: 8/25 - Published: 6/17/2022 - Harry P., Penny, OC, Sheldon C.
Tricksy Physicist and His Precious Misadventure by Whimsy Wordsmith
In a curious twist of fate, Sheldon, the nerdy physicist, stumbles upon a mysterious portal in his living room. Intrigued, he ventures into Middle-earth, where he encounters the sly Gollum. Oblivious to Gollum's ulterior motives, Sheldon's pursuit of scientific knowledge leads to comical interactions, unexpected camaraderie, and a hilariously dramatic adventure.
Crossover - Lord of the Rings & Big Bang Theory - Rated: K - English - Fantasy/Humor - Chapters: 1 - Words: 2,978 - Published: 7/31 - Gollum, Sheldon C. - Complete
Mathematically Challenged by Red Leader reviews
Amy Fowler Cooper has been keeping a secret from Sheldon. This is a oneshot
Crossover - Stargate: SG-1 & Big Bang Theory - Rated: K - English - Sci-Fi - Chapters: 4 - Words: 9,467 - Reviews: 19 - Favs: 8 - Follows: 17 - Updated: 7/14 - Published: 6/19
Science VS Fiction by ScifiFantasylover
The BBT gang's life is turned upside-down when the one and only Lena Luthor turns up unexpectedly on their doorstep. Lena Luthor and the gang make some shocking discoveries and are thrown headfirst into a war they can barely handle. Luckily, they are not alone. A girl known as Eve will be more than willing to help. But at what cost? Everything will be at stake.
Crossover - Big Bang Theory & His Dark Materials - Rated: T - English - Fantasy/Adventure - Chapters: 1 - Words: 625 - Published: 7/2 - Amy Farrah Fowler, Sheldon C., Lyra B./S./Lizzy B., Dr. Mary M.
La teoria de House by fundashi
Dos Alfas encontrandose asi mismos en otra persona
Crossover - House, M.D. & Big Bang Theory - Rated: M - Spanish - Romance/Drama - Chapters: 1 - Words: 1,551 - Published: 5/19 - G. House, J. Wilson, Leonard H., Sheldon C.
L'idée con by Marina Ka-Fai reviews
Mais quelle idée à la con d'emmener Sheldon dans une forêt !
Crossover - Big Bang Theory & Game of Thrones - Rated: K+ - French - Humor - Chapters: 1 - Words: 316 - Reviews: 2 - Published: 3/11 - [Sheldon C., Lancel L.] - Complete
The Grimm Resolution by Galverg reviews
Sheldon reacts a little differently than expected to the reveal after the Arctic Expedition. Shenny Oneshot
Crossover - Big Bang Theory & Grimm - Rated: T - English - Supernatural/Romance - Chapters: 1 - Words: 2,468 - Reviews: 1 - Favs: 25 - Follows: 11 - Published: 1/16 - [Sheldon C., Penny] Leonard H., Adalind S. - Complete
A Proposal and Insecurities by Know It All Hermione reviews
When Stuart Bloom's boyfriend proposes to him Stuart can't help but feel insecure , thinking that Harry could do a lot better than him.
Crossover - Harry Potter & Big Bang Theory - Rated: T - English - Chapters: 1 - Words: 1,146 - Reviews: 1 - Favs: 9 - Follows: 8 - Published: 12/9/2022 - [Harry P., Stuart] - Complete
WIP The Big Friends Theory Episode 1 by FBIWeegee
Amy convinces Sheldon to move to New York with her. Leonard and Penny decide to tag along. Bernadette, Howard and Raj are skeptical about their decision. Sheldon meets his new neighbour.
Crossover - Friends & Big Bang Theory - Rated: T - English - Humor/Drama - Chapters: 1 - Words: 2,263 - Favs: 2 - Follows: 2 - Published: 10/27/2022 - Leonard H., Sheldon C., Penny, Amy Farrah Fowler
The Brennan-Cooper Coalescence by Thunderstrike16 reviews
Season 1 finale of Bones, and during Season 3 of Big Bang Theory. Booth not only gets into contact with Brennan's brother, but he also gets into contact with Brennan's cousin, Sheldon Cooper in finding out what had happened to Brennan's parents, who were Sheldon's Aunt and Uncle, and his father's brother.
Crossover - Bones & Big Bang Theory - Rated: K+ - English - Chapters: 1 - Words: 2,763 - Reviews: 7 - Favs: 12 - Follows: 12 - Published: 10/16/2022 - T. Brennan, S. Booth, Sheldon C. - Complete
The Crossover Quandary by ShamyBaby
What if Sheldon Meets Blossom Russo and not Amy? Would they spike hate, friendship or romance? Rated T will be moving to rated M if my writing improves hahaha please be kind to me, this is my first time writing a fanfic and English isn't my first language.
Crossover - Big Bang Theory & Blossom - Rated: T - English - Romance - Chapters: 1 - Words: 381 - Favs: 3 - Follows: 3 - Published: 9/1/2022
The Bull Droppings Rejection by TLWtlw reviews
Mary Cooper wants help dealing with her five year old genius son Sheldon. She checks out a book from the library about dealing with gifted children. She thinks the ideas are what the bull dropped on the barn floor.
Crossover - Big Bang Theory & Young Sheldon - Rated: K+ - English - Chapters: 1 - Words: 1,038 - Reviews: 2 - Favs: 5 - Follows: 4 - Published: 6/6/2022 - Mrs. Cooper - Complete
The Star Trek Original Series Uchronia by Eliza Donelittle reviews
Leonard & the Big Bang Theory gang go to a fancy dress party and end up switching places with the crew of the Starship Enterprise (original series). They have to deal with the voyage of the Starship Enterprise while trying to figure out how to get home. Meanwhile Captain Kirk & crew have the same problem in The Big Bang Theory universe.
Crossover - StarTrek: The Original Series & Big Bang Theory - Rated: T - English - Humor/Sci-Fi - Chapters: 11 - Words: 19,316 - Reviews: 31 - Favs: 22 - Follows: 35 - Updated: 3/24/2022 - Published: 10/20/2012 - J. Kirk, Spock, Leonard H., Sheldon C.
Comic Relief by ANGSWIN reviews
Hermione is in California for business when she meets an interesting and intuitive comic book store owner on her quest to find Harry a birthday present.
Crossover - Harry Potter & Big Bang Theory - Rated: T - English - Romance - Chapters: 1 - Words: 2,126 - Reviews: 15 - Favs: 62 - Follows: 36 - Published: 11/28/2021 - [Hermione G., Stuart] - Complete
HOWᐰRD by 22keyPHOENIX
A weird, and very very queer, crossover. It won't let me do a crossover with more than 2 categories so eventual pairings won't be tagged. Also updates on A03. Lots of sci-fi, science, and nerdy gay stuff -eventually
Crossover - Big Bang Theory & Stargate: SG-1 - Rated: T - English - Chapters: 1 - Words: 934 - Favs: 1 - Follows: 2 - Published: 11/10/2021 - S. Carter, Leonard H., Howard W.
Some Needed Comfort by Know It All Hermione reviews
After Stuart's comic book shop burns down the man receives some comfort and help from his boyfriend.
Crossover - Harry Potter & Big Bang Theory - Rated: T - English - Hurt/Comfort/Romance - Chapters: 1 - Words: 1,139 - Reviews: 1 - Favs: 21 - Follows: 16 - Published: 11/8/2021 - [Harry P., Stuart] - Complete
A Certain Malice by Delgardo reviews
Second story for the Elementary Theory - Mixing Elementary and Sherlock modern Holmes with the Big Bang theory. Sheldon Holmes is a Physicist and Consulting Detective, Penny Watson is a War veteran medical doctor. Together they FIGHT CRIME
Crossover - Big Bang Theory & Elementary - Rated: M - English - Mystery/Adventure - Chapters: 4 - Words: 6,382 - Reviews: 2 - Favs: 3 - Follows: 6 - Updated: 10/3/2021 - Published: 3/20/2021 - Sheldon C., Penny, Sherlock H., Joan W.
Drottningville by Marjorie Nescio reviews
Four years into the zombie apocalypse Penny and her friends are part of a community at her father's farm. (The focus of this story is on the TBBT characters.)
Crossover - Big Bang Theory & Walking Dead - Rated: T - English - Chapters: 20 - Words: 57,315 - Reviews: 17 - Favs: 32 - Follows: 26 - Updated: 6/11/2021 - Published: 10/2/2019 - Sheldon C., Howard W., Penny, Dale - Complete
Movie Night by Know It All Hermione reviews
Harry Potter and Stuart Bloom are boyfriends and spend a night together watching some movies.
Crossover - Harry Potter & Big Bang Theory - Rated: T - English - Romance - Chapters: 1 - Words: 995 - Reviews: 1 - Favs: 21 - Follows: 18 - Published: 4/14/2021 - [Harry P., Stuart] - Complete
Bikochu in Amber by MCEProd22
Sarada befriends a girl entering the Ninja Academy. Little does she know a connection between them would send her back through the circle into a rapidly different Pasadena.
Crossover - Naruto & Big Bang Theory - Rated: T - English - Fantasy/Parody - Chapters: 15 - Words: 16,053 - Favs: 2 - Follows: 3 - Updated: 3/25/2021 - Published: 6/5/2019 - Sarada U., Sheldon C.
You're In My Spot by ChloboShoka reviews
Sheldon Cooper and Vicky Pollard have a fight in their local library.
Crossover - Little Britain & Big Bang Theory - Rated: T - English - Humor - Chapters: 1 - Words: 1,031 - Reviews: 6 - Favs: 1 - Follows: 1 - Published: 3/1/2021 - Sheldon C. - Complete
The Study of Long Lost Friends by mojoslipp
When Dr. Watson-Holmes is sent on a case to Pasadena he doesn’t expect to bump into a face from the past. (set post S12 of tbbt)
Crossover - Big Bang Theory & Sherlock - Rated: K - English - Hurt/Comfort/Friendship - Chapters: 1 - Words: 5,145 - Favs: 11 - Follows: 7 - Published: 2/23/2021 - Amy Farrah Fowler, John W., Sheldon C., Leonard H. - Complete
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