5x13 The Recombination Hypothesis
First Aired: Jan. 19, 2012 on CBS
Summary: Leonard, who broke up with Priya, asks Penny out to a spur-of the-moment romantic dinner for two, and the duo contemplates on their relationship.
Watch Episode On:- Amazon (purchase)
- VUDU (purchase)
- Verizon On Demand (purchase)
- HBO MAX (subscription)
Guest Stars[no credits found]