The Big Bang Theory

The Hamburger Postulate

  • Season 1
  • , Episode 5  | 
  • Aired: 10/22/2007
    • Length: 20:13
    • Plays: ???
Synopsis >

After sensing that his pursuit of Penny isn't going anywhere, Leonard agrees to an unexpected sexual encounter with fellow scientist Leslie Winkle (recurring guest star Sara Gilbert). The one-night stand throws Leonard and Sheldon deep into uncharted social waters.

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