Guest Star: Charlotte Newhouse

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  The Desperation Emanation
  Season 4, Episode 5 - Aired October 21, 2010

  When Leonard realizes he's the only one without a girlfriend, in a group that includes Sheldon, he asks Howard to set him up with one of Bernadette's friends. Meanwhile, Sheldon is trying to lose his "girlfriend", Amy Farrah Fowler, after he misunderstands her request for him to meet her mother.

  Appeared as Joy