711-s05-e015-tbbt: Watch

: Sheldon appears on a special episode of "Professor Proton" (Wil Wheaton's show) and struggles with the fact that he isn't the center of attention. Why the confusion with S05E15?

: Offers digital copies of the series.

: Leonard writes a murder mystery novel featuring a character named "Ilsa," who is a thinly veiled, unflattering version of someone in his life. Watch 711-S05-E015-TBBT

: Available for purchase or rent by episode or season.

: The primary streaming home for all 12 seasons of TBBT. : Sheldon appears on a special episode of

Sheldon's "Roommate Agreement" is suspended after Leonard gets tired of Sheldon’s demanding nature.

: Penny initially believes the character is based on her, leading to tension. However, it is eventually revealed that the cold and domineering character is actually based on Leonard's mother, Beverly Hofstadter. : Leonard writes a murder mystery novel featuring

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