![The Big Bang Theory Season 4 Episode 12 The Big Bang Theory Season 4 Episode 12](https://123images.co/tv/1230898266-poster-The-Big-Bang-Theory.jpg)
The Big Bang Theory Season 4 Episode 12
Leonard’s idea for a smartphone app derails his friendship with Sheldon.
Views: 3
Serie: The Big Bang Theory
Director: Mark Cendrowski
Guest Star: Jim Parsons, Johnny Galecki, Kaley Cuoco, Kevin Sussman, Kunal Nayyar, Mayim Bialik, Melissa Rauch, Simon Helberg
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