Movie T Shirts, Costumes & TV T Shirts
For a genius like Sheldon Cooper, even friendship can be defined by an algorithm. This awesome "Big Bang Theory" t-shirt recreates Sheldon's attempt to scientifically map friendship from the hit sit-com. Don't be surprised if it stumps a few of your dumber acquaintances, though.
More 'The Big Bang Theory' items: The Big Bang Theory Merchandise