Shirt: Penguins Tee by Deter at Urban Outfitters
Leonard Hofstadter (played by Johnny Galecki) on The Big Bang Theory on CBS was spotted wearing this purple penguins shirt on The Big Bang Theory on episode 'The Barbarian Sublimation' (2x03) in Feb 2013. Leonard's Shirt is the Penguins Tee by Deter at Urban Outfitters.