The Big Bang Theory Season 3 Episode 11 The Maternal Congruence 2009
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A Christmas visit from his mother has Leonard discovering she's kept a lot of news from him that she shares with Sheldon and worrying if she'll approve of his romance with Penny.
- Released: 2009-12-14
- Runtime: 22 minutes
- Genre: Comedy
- Stars: Johnny Galecki, Jim Parsons, Kaley Cuoco, Simon Helberg, Kunal Nayyar
- Director: John DeChene, Adam Faberman, Rick Puccio, Richard Price, Jamie Hitchcock
- Source: CWR-CRB
