Guest Star: Whitney Avalon

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  The Wildebeest Implementation
  Season 4, Episode 22 - Aired May 5, 2011

  When Bernadette and Howard are going to have a dinner with Leonard and Priya, Amy and Penny recruit Bernadette as a double agent to spy on Priya. Meanwhile, Raj tries out a new medication to cure his social anxiety.

  Appeared as Elsie