Big Bang Theory Shirt Friendship Algorithm Size:Large This Back to the Future

This Back to the Future t-shirt features the movie logo for the greatest trilogy of all time

This Bill and Ted shirt features the time traveling founders of the rock group Wyld Stallyns

The best part of this shirt is that it is just like the one the guys gave to girls for showing off their breasts in "Charlie Goes America All Over Everybody's Ass"

and Ally Sheedy as the basket case

Big Bang Theory Shirt Friendship Algorithm Size:Large This Back to the FutureOn The Big Bang Theory, Sheldon wanted to use a piece of lab equipment that he thought only Barry Kripke could allow access to use. This shirt features the flow chart Sheldon created to help himself to befriend Kripke in order to gain his trust