: Sheldon struggles to reconcile his mother’s devout religious beliefs with her behavior, calling her a "demonic weasel" for her actions.
: Sheldon eventually apologizes in his own way, deciding to "condemn her internally with an outward appearance of acceptance"—an approach his mother ironically calls "very Christian". The Pasadena Murder Mystery [S7E18] The Mommy Observation
: The gang agrees to meet for dinner in exactly 20 years. A flash-forward to Monday, March 13, 2034, reveals that only Stuart shows up for the reunion. Guest Stars Laurie Metcalf returns as Sheldon’s mother, Mary Cooper. Kevin Sussman appears as Stuart Bloom. : Sheldon struggles to reconcile his mother’s devout