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Explore Sheldon 3, Sheldon Cooper, and more!

Big Bang Theory T-shirts and Gear. Knock, Knock, Knock, Penny!

*knock*knock*knock* Penny! I <3 Sheldon Cooper!

from CafePress

Im not crazy: Light T-Shirt

Big Bang theory quote t-shirt.

The Big Bang Theory

The Big Bang Theory

from GeekAlerts

Soft Kitty Babydoll and Soft Kitty T-Shirt

Big Bang Theory