This design is perfect for 'Big Bang Theory' geeks. Sheldon, raised in Texas on every incarnation of football except European, is approached by his friend Leonard to teach him all about the sport to impress Penny and her family at a football party.

This sale is for a Red T-Shirt with Big Bang Theory: Bazinga This t-shirt would be a great gift for any collector or fan.All t-shirts are licensed products. Printed on 100% Cotton t-shirts. Please note all t-shirt orders require a lead time of 5 to 10 business days before shipping.

Officially licensed Big Bang Theory Tier 1 Request Olive Tee Shirt. Features Sheldon saying, 'Are you making this a tier one friendship request?' 100% cotton.

Big Bang Theory Friendship Algorithm T-Shirt This is an officially licensed Big Bang Theory t-shirt.

Made from 100% Cotton this white t-shirt features the Friendship Algorithm developed by theoretical physicist Sheldon Cooper taken from the hit TV series Big Bang Theory! With the Friendship Algorithm one can easily monitor and predict the steps necessary in creating a friendship! Of course I won't mention to Sheldon that Chaos Theory might rear its ugly head and disrupt the intricacies of said algorithm. This Big Bang Theory T-shirt is perfect for fans of the series and for those who wish to impose a little order over the volatility of human relations!