Congruence: [s3e11] The Maternal

: Sheldon objects to traditional Christmas decorations, instead hanging a bust of Sir Isaac Newton on the tree because Newton was born on December 25th, unlike the historical figure typically associated with the holiday.

: In a drunken state, Beverly returns to the apartment and unexpectedly kisses Sheldon on the lips before deciding she'd actually rather "have the busboy" from the bar. Trivia & Highlights [S3E11] The Maternal Congruence

: Leonard is terrified that his mother will disapprove of Penny, whom Sheldon describes as having a career defined mostly by memorizing the Cheesecake Factory menu. : Sheldon jokes about leaving the Enterprise in

: Sheldon jokes about leaving the Enterprise in a shuttlecraft to a planet he rules, "Sheldon Alpha 5," a nod to the planet Ceti Alpha 5 from Star Trek II: The Wrath of Khan . Critical Reception "Sheldon Alpha 5