There are a lot of entertaining sitcoms around at the moment but the best of the bunch is arguably the CBS series The Big Bang Theory. All of the characters in The Big Bang Theory have their part to play but the best character in the show has to be Sheldon Cooper (Jim Parsons).

Jim Parsons as Sheldon Cooper
Sheldon has come out with some cracking lines over the years and we are bound to get plenty more in the years to come. Here, we have decided to give you our top five Sheldon Cooper quotes, from all the seasons of The Big Bang Theory.
No.5: Interesting. Sex works even better than chocolate to modify behavior. I wonder if anyone else has stumbled on to that.

Scene from The Big Bang Theory
No.4: Howard, you know me to be a very smart man. Don’t you think that if I were wrong, I’d know it?
No.3: I don’t know how, but she is cheating! Nobody can be that attractive and this skilled at a video game.
No.2: A neutron walks into a bar and asks how much for a drink. The bartender replies, ‘For you, no charge.'
No.1: BAZINGA!
As well as starring Jim Parsons, The Big Bang Theory's popular cast also includes Johnny Galecki, Kaley Cuoco, Kunal Nayyar, Simon Helberg, Melissa Rauch and Mayim Bialik. The Big Bang Theory season seven premieres on CBS on September 26.
The Best of Sheldon Cooper