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
  • 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)

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