S07E22 The Proton Transmogrification
The Big Bang Theory

calendar_today 2007. Chuck Lorre. Bill Prady.

stars 8.3 Comedy. Romance.

people Johnny Galecki. Jim Parsons. Kaley Cuoco. Simon Helberg.

Professor Proton helps Sheldon deal with grief; Leonard gets into a competition with Penny; Bernadette and Amy prepare a "Star Wars Day" gift for the guys.