This exclusive Bazinga shirt is a fan favorite. The four friends on The Big Bang Theory are nerd superheroes, empowering fans everywhere to let their geek flags fly. This black shirt shows the friends in classic superhero gear, complete with cool boots and extra muscles. Upgrade your wardrobe with TBBT Bazinga shirts straight from the Bazinga store. You'll feel invincible when you have Leonard, Sheldon, Howard, and Raj on your T-shirt.