CBS Announces Episode 4.09 Posted November 8, 2010

CBS Announces Episode 4.09

CBS has announced the details for the November 18th episode of The Big Bang Theory. Keith Carradine (Damages, Dexter) guest stars as Penny's father in the episode.

"The Boyfriend Complexity" - Penny asks Leonard to lie to her father, while Howard, Raj and Bernadette pull an all-nighter at a telescope, on THE BIG BANG THEORY, Thursday, Nov. 18 (8:00-8:31 PM, ET/PT) on the CBS Television Network.

You can read more about the episode in our Episode Guide.

More about the episode

'The Boyfriend Complexity' - Season 4, Episode 9
Airs November 18, 2010 at 8/7c on CBS.

When Penny's dad visits, she asks Leonard to lie to him and pretend they're still in a relationship. Meanwhile, Howard, Raj and Bernadette spend the night monitoring a telescope in the astrophysics lab.

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