The Big Bang Theory is an American sitcom created by Chuck Lorre and Bill Prady, both of whom serve as executive producers on the show, along with Steven Molaro. The series premiered on CBS on September 24, 2007.

The show is set in Pasadena, California and revolves around physicists Leonard Hofstadter and Sheldon Cooper, their beautiful neighbor Penny, and their friends and colleagues at Caltech. The geekiness and intellect of the four men are contrasted with the typical lifestyle of the average person.

The first episode of The Big Bang Theory was watched by over 18 million viewers in the …