# S3-Scientific Breakthroughs

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Episode 11: The Maternal Congruence Leonard’s hyper‑critical mother, Dr. Beverly Hofstadter, visits for the holidays and immediately psychoanalyzes everyone, casually revealing that Leonard and Penny slept together, to his horror. Sheldon, by contrast, adores Beverly’s cold rationality and bonds with her over shared affection for rigid logic, leaving Leonard feeling even more emotionally sidelined