Aired Wednesday December 20, 9:50am - 10:20amon Channel 4

The Big Bang Theory

Series 3 Episode 11: The Maternal Congruence

Leonard is horrified when his mother Beverly turns up unannounced. His horror turns to anger when he learns that Sheldon knew about the visit and had found out about his parents' divorce before him. Later, Penny and Beverly go out drinking together and Beverly and Sheldon kiss.

Original air date
Cast and crew
  • Mark CendrowskiDirector
  • Johnny GaleckiLeonard Hofstadter
  • Jim ParsonsSheldon Cooper
  • Kaley CuocoPenny
  • Simon HelbergHoward Wolowitz
  • Kunal NayyarRaj Koothrappali
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