The Big Bang Theory Season 4 Episode 9

Name: The Big Bang Theory
Genre: Comedy
Released: 2007
Rating: 7.9
Cast: Jim Parsons, Kaley Cuoco, Johnny Galecki, Simon Helberg, Kunal Nayyar

Penny asks Leonard to lie to her father, while Howard, Raj and Bernadette pull an all-nighter at a telescope.

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