This page is fan fiction
"The Big Theory" is the twenty second episode of the season 9 fan suggested episodes made by ZoomDust16.
Sheldon and Kripke both get different ideas in proving the theory of the big bang. After quitting her pharmaceutical sales rep job, Penny tries to make a career decision with the help of Bernadette and Amy. Leonard, Howard, and Raj visit Apple Campus in Cupertino.
Penny, Amy, and Bernadette are at Amy's place, Penny then announces she is quitting her pharmaceutical sales rep job but is trying to figure out where to go next.