StarTrek: The Original Series and Big Bang Theory
Crossovers
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.
Rated: T - English - Humor/Sci-Fi - Chapters: 11 - Words: 19,316 - Reviews: 31 - Favs: 20 - Follows: 34 - Updated: 3/24 - Published: 10/20/2012 - J. Kirk, Spock, Leonard H., Sheldon C.
The Gorn Hypothesis by Borg 2 of 10 reviews
Sheldon gets an unexpected visit... Really unexpected. And Leonard doesn't believe him.
Rated: K+ - English - Humor - Chapters: 1 - Words: 415 - Reviews: 4 - Favs: 3 - Follows: 3 - Published: 9/5/2015 - J. Kirk, Spock, Leonard H., Sheldon C. - Complete
The Kirk Skywalker Convergence by SuperBear
When an evil alien being forces Captain Kirk's crew to battle Luke Skywalker's Rebels, the guys from "The Big Bang Theory" get caught in the middle.
Rated: K - English - Chapters: 2 - Words: 13,178 - Favs: 2 - Updated: 4/5/2015 - Published: 2/8/2015
My Brother Jim Kirk by TheBaritone reviews
Nerdy Leonard has always been jealous of his twin brother Jim Kirk, captain of the high school football team. But when Jim is recruited to be on the starship Enterprise, he has a chance to ruin his brother's reputation. Meanwhile, Leonard's best friend Sheldon gets into an argument with a Vulcan called Spock.
Rated: K+ - English - Family/Sci-Fi - Chapters: 7 - Words: 7,434 - Reviews: 2 - Updated: 3/29/2013 - Published: 2/14/2013 - J. Kirk, Leonard H. - Complete
Star Trek V A Big Bang Reboot by Tomasina reviews
The campfire scene from Star Trek V with a twist. crossover selection options are limited, please forgive any confusion from story description. Still funny even if haven't seen STV, not so good if you've never seen Big Bang
Rated: K+ - English - Friendship/Humor - Chapters: 1 - Words: 1,235 - Reviews: 7 - Favs: 3 - Published: 6/8/2012 - Spock, J. Kirk, L. McCoy - Complete
Sheldon's visit to the future by originalseriestrekkie reviews
What if Sheldon's skit came true? What if Spock really came to take him to the future? The Federation needs Sheldon's help. Complete! Feel free to review!
Rated: K - English - Sci-Fi - Chapters: 3 - Words: 1,712 - Reviews: 29 - Favs: 20 - Follows: 4 - Updated: 8/15/2011 - Published: 8/5/2011 - Spock, Sheldon C. - Complete