Season 4, Episode 9 The Boyfriend Complexity
First Aired: November 18, 2010
Penny asks Leonard to lie to her visiting father (Keith Carradine), while Howard, Raj and Bernadette spend all night looking through a telescope.
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- Premiered: September 24, 2007
- Rating: TV-PG
- Premise: Two nerdy physicists share an apartment and an unlikely friendship with their beautiful neighbor with whom one of them is infatuated. Like the universe after the big bang, the show's popularity expanded, thanks to breakout star Jim Parsons, along with the… (more)