"The Proton Transmogrification" (Season 7, Episode 22) of The Big Bang Theory explores grief through a Star Wars Day-themed narrative, featuring the death of Sheldon's idol, Professor Proton. The episode is noted for Bob Newhart's returning role and a rare, emotionally significant moment where Sheldon embraces Leonard. For more details, visit The Big Bang Theory Wiki . The Proton Transmogrification | The Big Bang Theory Wiki
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