The Big Bang Theory Season 12 Episode 4
The Big Bang Theory
Watch The Big Bang Theory Season 12 Episode 4 Online in HD. When Sheldon won't tell anyone why he's never mentioned his childhood best friend, Leonard takes matters into his own hands. Bernadette and Penny take out Raj’s fiancée for dinner to get the skinny on her.
- Genre: Comedy
- Country: United States of America
- Director: Chuck Lorre, Bill Prady
- Cast: Johnny Galecki, Jim Parsons, Kaley Cuoco, Simon Helberg, Kunal Nayyar, Melissa Rauch, Mayim Bialik,
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