Season 5, Episode 13 The Recombination Hypothesis

First Aired: January 19, 2012

More than food appears to be on the menu when Leonard invites Penny to a romantic dinner for two.

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  • Premiered: September 24, 2007
  • Rating: TV-PG
  • User Rating:4.58 out of 5 (8,996 ratings)
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  • Premise: Two nerdy physicists share an apartment and an unlikely friendship with their beautiful neighbor with whom one of them is infatuated. (more)

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