Season 3, Episode 11 The Maternal Congruence

First Aired: December 14, 2009

Leonard's mother (Christine Baranski) visits, which pleases Sheldon but upsets Leonard.

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  • Premiered: September 24, 2007
  • Rating: TV-PG
  • User Rating:4.58 out of 5 (8,996 ratings)
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  • Premise: Two nerdy physicists share an apartment and an unlikely friendship with their beautiful neighbor with whom one of them is infatuated. Like the universe after the big bang, the show's popularity expanded, thanks to breakout star Jim Parsons, along with the… (more)

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