The Big Bang Theory is a sitcom produced and directed by Chuck Lorre ("Two and a Half Men") and Bill Prady (executive producer of "Gilmore Girls")

The series is about two nerds who share a flat: Leonard (Johnny Galecki) and Sheldon (Jim Parsons).

Although both are PhD in theoretical physics and are able to calculate the probability of the existence of parallel universes, they have no idea how to relate to the outside world, especially with the girls.

The series begins with the arrival of Penny (Kaley Cuoco), the new neighbor that is installed on the floor in front. Penny, who inhabit the antipodes and intellectual life of both nerds, disrupts the quiet love life is a continuous Leonard and detonator for obsessive-compulsive Sheldon.

Normal emissions Penny also disrupting the rest of the gang: a Wolowitz (Simon Helberg) is triggered whenever hormones sees while Rajesh (Kunal Nayyar) is unable to issue a single voice in his presence .