Big Bang Theory
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The Many Worlds Interpretation
by A.A. Pessimal reviews
The wizards of Unseen University created a pocket universe. They learnt how to interact with it and to visit one particular planet. Where there is the USA. California. Pasadena. Caltech. Where other academically and scientifically minded people - with personalities as quirky as those of UU's wizards - strive to solve the mystery of the Big Bang. And then they met.
Crossover - Discworld & Big Bang Theory - Rated: T - English - Humor/Sci-Fi - Chapters: 39 - Words: 234,868 - Reviews: 97 - Favs: 49 - Follows: 54 - Updated: 5/18 - Published: 11/1/2013 - Hex, Ponder Stibbons, Leonard H., Sheldon C.
by richfamous reviews
Apparently Beverly Hofstadter is in possession of a piece of clothing that is not black ... and has changed her glasses colour ... and has a boyfriend ... hang on - did I just say that? Something's gotta be wrong here ... Leonard and his friends investigate!
Crossover - Big Bang Theory & Good Wife - Rated: K+ - English - Humor/Friendship - Chapters: 1 - Words: 1,973 - Reviews: 1 - Favs: 1 - Published: 4/22 - Leonard H., Sheldon C., Penny, Diane L.
Pasadena: The Final Frontier
by spirk-is-real reviews
Instead of going into Starfleet, Jim, Spock, Bones, Sulu, Chekov and Scotty they are Scientist and Doctors and Astronauts and Pilots. Jim and Spock share an apartment and Nyota moves in next door. Jim's and Spock's friends Bones, Sulu, Chekov and Scotty are geeks and dorks, they love comic books and DnD and other geeky things. So basically Big Bang Theory with Star Trek Characters.
Crossover - StarTrek: The Original Series & Big Bang Theory - Rated: T - English - Humor/Sci-Fi - Chapters: 5 - Words: 16,149 - Reviews: 4 - Favs: 2 - Follows: 3 - Updated: 4/17 - Published: 11/23/2016
by MCEProd22 reviews
On a Vacation with her parents, Sarada Uchia walks into a stone circle and wakes up far from her home. Flung across time and Reality and taken in as an assistant to a recently single physicist. Sarada struggles with the life she knew and the one she now calls home. While the great heroes from before reunite to bring back their next generation. (Cossover with Outlander Elements)
Crossover - Naruto & Big Bang Theory - Rated: T - English - Adventure/Fantasy - Chapters: 8 - Words: 7,831 - Reviews: 1 - Favs: 1 - Follows: 6 - Updated: 4/6 - Published: 9/20/2015
Penny vs The Brain Deterioration
by marcelb reviews
Carmichael Industries is called upon by General Beckman for, what is presented as, a relatively simple search-and-retrieve mission. But nothing is ever easy for Team Bartowski, not when the mission involves the Intersect, unexpected allies and a race against time to save a team member.
Crossover - Chuck & Big Bang Theory - Rated: T - English - Chapters: 3 - Words: 10,231 - Reviews: 6 - Favs: 1 - Follows: 5 - Updated: 3/29 - Published: 12/26/2016
I am not Stupid
by kimbee73 reviews
Young teacher, Zack Johnson, gets an awakening to the world of magic when a young Harry Potter unexpectedly appears in his apartment. Will Zack know what to do or will he need help from some friends from Caltech?
Crossover - Harry Potter & Big Bang Theory - Rated: K+ - English - Mystery/Friendship - Chapters: 8 - Words: 15,429 - Reviews: 36 - Favs: 46 - Follows: 63 - Updated: 3/8 - Published: 11/28/2016 - Harry P., Sheldon C., Penny, Zack J.
Two Sociopaths and a Hypothetical Death Ray
by sudoku reviews
"I am not a sociopath!" "Well, your mom never had you tested so you couldn't be sure." "Only a fool would trust such a test. I self-diagnosed myself at eight. I'm a highly functioning sociopath." John was not surprised. Of course Sherlock would butt into a conversation about sociopathy. Aka the first time Sherlock and John met Sheldon and Leonard. Post S4 Sherlock.
Crossover - Big Bang Theory & Sherlock - Rated: K - English - Humor/Friendship - Chapters: 1 - Words: 1,304 - Reviews: 2 - Favs: 11 - Follows: 4 - Published: 3/3 - Leonard H., Sheldon C., Sherlock H., John W. - Complete
The Egg Salad Equivalency
Anakin and Obi Wan are roommates and Anakin thinks he is highly skilled above all his friends. Obi Wan and Padme are in love. Anakin has a new assistant Ahsoka. Will she come between Obi Wan and Padme and how will their friends react and just what does Anakin do that sees his friends in trouble?
Crossover - Star Wars & Big Bang Theory - Rated: K+ - English - Humor/Friendship - Chapters: 7 - Words: 7,180 - Published: 2/24 - Obi-Wan K., Padmé Amidala - Complete
Nicktoons Unite Dimensional Destortion
by crossoverking18 reviews
Darkness is taking over the multiverse and it is up to the nicktoons to find new allies and put an end to the evil plans of the god of darkness, Surge.
Crossover - Sonic the Hedgehog & Big Bang Theory - Rated: K+ - English - Humor/Adventure - Chapters: 28 - Words: 117,432 - Reviews: 148 - Favs: 5 - Follows: 2 - Updated: 1/3 - Published: 10/1/2014 - Sonic, Tails, Sheldon C.
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: 9 - Words: 17,366 - Reviews: 30 - Favs: 17 - Follows: 28 - Updated: 1/1 - Published: 10/20/2012 - J. Kirk, Spock, Leonard H., Sheldon C.
A bloody nuisance
by Marjorie Nescio reviews
Doctor Sheldon Lee Cooper broke into Bill Compton's restricted database. Both men are brought before the Magister and Penny and her nerds show up at the scene. The Magister orders Bill to turn the fivesome. He is a cruel man indeed.
Crossover - Big Bang Theory & True Blood - Rated: T - English - Chapters: 10 - Words: 33,289 - Reviews: 34 - Favs: 9 - Follows: 16 - Updated: 10/17/2016 - Published: 8/6/2014 - Sheldon C., Penny, Bill C. - Complete
O naukowcach i pływających wilkołakach
Kanoniczna drabbelka, ponieważ taka rozmowa totalnie się odbyła!
Crossover - Big Bang Theory & Teen Wolf - Rated: K - Polish - Humor - Chapters: 1 - Words: 172 - Favs: 1 - Follows: 1 - Published: 9/20/2016 - Sheldon C., Penny - Complete
The Love Conundrum
by mabelreid reviews
One Shot AU set in the summer between CM season 11 and 12 and TBBT season 9-10. Sheldon writes a paper on his experience with coitus and Amy isn't happy. Spencer shows up at a lecture Amy gives after visiting his mother and the two have a discussion about Sheldon and his paper.
Crossover - Criminal Minds & Big Bang Theory - Rated: T - English - Hurt/Comfort/Friendship - Chapters: 1 - Words: 3,208 - Reviews: 6 - Favs: 1 - Follows: 2 - Published: 9/12/2016
Sheldon has a dream that he meets The Flash
Crossover - Flash & Big Bang Theory - Rated: T - English - Humor/Adventure - Chapters: 1 - Words: 741 - Published: 8/28/2016 - Barry A./The Flash, Sheldon C. - Complete
The Alex Interview Expropriation
by TV Tony
Alex Dunphy interviews to be an assistant to a decidedly idiosyncratic researcher. Thanks to my sister for the idea.
Crossover - Big Bang Theory & Modern Family - Rated: K - English - Humor/Friendship - Chapters: 1 - Words: 1,519 - Favs: 4 - Follows: 2 - Updated: 8/21/2016 - Published: 8/19/2016 - Sheldon C., Amy Farrah Fowler, Alex D. - Complete
Smart and Beautiful
by Erik9393 reviews
Two beautiful and educated women cross paths one day, and would soon become great friends.
Crossover - Law and Order: SVU & Big Bang Theory - Rated: T - English - Friendship/Drama - Chapters: 3 - Words: 3,348 - Reviews: 1 - Favs: 1 - Follows: 2 - Updated: 8/18/2016 - Published: 6/15/2016 - A. Cabot, Amy Farrah Fowler
The Walking Bang theroy
by 2FaztBman reviews
The cast of the big bang theory in the walking dead.
Crossover - Waking the Dead & Big Bang Theory - Rated: T - English - Drama/Fantasy - Chapters: 1 - Words: 372 - Reviews: 3 - Favs: 1 - Published: 8/17/2016 - Leonard H., Sheldon C., Rajesh K., Penny
The Mini Particle Accelerator Explosion
by LordPrisonerX reviews
Sheldon and his friends make a portal to the flash tv show
Crossover - Flash & Big Bang Theory - Rated: T - English - Adventure/Humor - Chapters: 1 - Words: 1,000 - Reviews: 2 - Published: 8/1/2016 - Barry A./The Flash, Sheldon C. - Complete
The Symbiote Complication
by Logan GC reviews
When Penny enters Sheldon's room, she discovers why no one enters it. First fanfic, so please rate and review. Now Complete.
Crossover - Spider-Man & Big Bang Theory - Rated: T - English - Sci-Fi/Suspense - Chapters: 12 - Words: 20,147 - Reviews: 31 - Favs: 28 - Follows: 32 - Updated: 7/31/2016 - Published: 6/16/2012 - Eddie B./Venom, Leonard H., Sheldon C., Penny - Complete
Pokébang: The Last Goodbye
by MCEProd22 reviews
In the final chapter of the Pokébang Trilogy. As C. Roger Harrison Shatters Pasadena, the nerds and the Trainers reunite for one final incursion. While on the other side of a portal now tearing a world apart everyone Ash Ketchum knows and met comes together for a war which will decide the fate of all. Who will win lose and survive. "Will you follow me, One Last Time."
Crossover - Pokémon & Big Bang Theory - Rated: T - English - Sci-Fi - Chapters: 6 - Words: 5,036 - Reviews: 5 - Favs: 4 - Follows: 3 - Updated: 7/19/2016 - Published: 2/8/2015 - Ash K./Satoshi, Iris, Sheldon C., Amy Farrah Fowler
Leonard and Tori
by Erik9393 reviews
This is a remake of my Big Bang Theory/Victorious crossover.
Crossover - Big Bang Theory & Victorious - Rated: T - English - Friendship/Romance - Chapters: 13 - Words: 9,374 - Reviews: 1 - Favs: 4 - Follows: 7 - Updated: 7/19/2016 - Published: 9/10/2015 - Leonard H., Tori V.
Judge, Jury, and Anyone Else Who Shows Up
by Skater3 reviews
It is the right and responsibility of every citizen, even genii.
Crossover - Big Bang Theory & Criminal Minds - Rated: K - English - Humor - Chapters: 1 - Words: 2,334 - Reviews: 1 - Favs: 4 - Follows: 2 - Published: 6/29/2016 - Sheldon C. - Complete
by mariteri reviews
Darcy Lewis, college student and cousin of one Sheldon Cooper, receives a phone call that has her rushing to his aid. Rated T for language.
Crossover - Big Bang Theory & Avengers - Rated: T - English - Hurt/Comfort/Family - Chapters: 1 - Words: 2,431 - Reviews: 12 - Favs: 74 - Follows: 22 - Published: 6/23/2016 - Sheldon C., Iron Man/Tony S., Darcy L. - Complete
Orange is the New Unified Field Theory
by theclownsarethere reviews
After getting out of prison Alex and Piper take shelter from Kubra in Pasadena. They happen to live a floor above Penny's apartment. There our lesbian couple joins in this new sitcom to add some humor to everything. -I love physics and both shows so I'll bring the best I can to it all. Please Review!
Crossover - Big Bang Theory & Orange Is the New Black - Rated: T - English - Humor/Drama - Chapters: 2 - Words: 3,207 - Reviews: 5 - Favs: 10 - Follows: 14 - Updated: 6/14/2016 - Published: 5/22/2016
Back to School 324 | Page 1 2 3 4 11 .. Last Next »
What if Penny wants to go back to school again and the one they choose is the famous community college which is Greendale lots humor and fluff with my fave pairing which is Shenny and AbedXAnnie Rated T at first but it will go to M as love progresses
Crossover - Big Bang Theory & Community - Rated: T - English - Humor/Romance - Chapters: 2 - Words: 1,862 - Favs: 1 - Follows: 2 - Updated: 6/10/2016 - Published: 6/4/2016