Sheldon and Howard get into an argument over the origins of Wolverine. Sheldon is right and tells Howard if he wasn't so focused on sex he would know more!
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Amy makes fun of Sheldon because he is a theoretical physicist and not an experimental one. She jokes about confounding variables.
Sheldon was told by the university that he needs to take a sexual harassment seminar online.
Raj explains to the girls that if he continues to feed his dog foie gras she is going to die.
The guys discuss the choice between downloading comic books online v coming into the store.