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The Big Bang Theory

Series 7 Episode 22 The Proton Transmogrification

As the gang celebrates Star Wars Day, Sheldon has difficulty dealing with the death of Professor Proton. Directed by: Mark Cendrowski.

Johnny Galecki Leonard Hofstadter
Jim Parsons Sheldon Cooper
Kaley Cuoco Penny
Simon Helberg Howard Wolowitz
Kunal Nayyar Rajesh Koothrappali