Guest Star: Megan Heyn

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  The Perspiration Implementation
  Season 9, Episode 5 - Aired October 19, 2015

  When the guys sign up for fencing class taught by Barry Kripke, Sheldon finds himself in an uncomfortable position after Kripke expresses an interest in Amy. Meanwhile, the girls try to help Stuart attract more female shoppers to his comic book store.

  Appeared as Natalie