What's cooler Sheldon in The Big Bang Theory? Sheldon on the Grid! If you're a true geek, this is the perfect shirt for you. Let your geek flag fly with this officially licensed t-shirt crossover between The Big Bang Theory and Tron Legacy. Black 100% Cotton Officially Licensed Standard Fit More 'The Big Bang Theory' items: The Big Bang Theory Merchandise Size Chart

"Knock, knock, knock, ""Penny?"" Any fan of the hit sitcom ""The Big Bang Theory"" will instantly recognize Sheldon's trademark knocking pattern from his frequent visits to Penny's apartment. Order your t-shirt now, and start annoying your neighbors with your attire in addition to your Asperger's. Black 100% Cotton Officially Licensed Standard Fit More 'The Big Bang Theory' items: The Big Bang Theory Merchandise"

Big Bang Theory - Dr. & Mr. Faces

Officially licensed Big Bang Theory Sheldon Glowing Bazinga Black Graphic T-Shirt. Features a blue image of Sheldon with his classic 'Bazinga!' 100% Cotton.

Tron Fans and Big Bang Theory Fans unite with this tee! Black 100% Cotton Officially Licensed Standard Fit More 'The Big Bang Theory' items: The Big Bang Theory Merchandise Size Chart