Guest Star: Michael Rapaport

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  The Helium Insufficiency
  Season 9, Episode 6 - Aired October 26, 2015

  In the midst of a nation-wide helium shortage, Sheldon and Leonard take desperate measures to get the supplies they need. Also, Penny and Bernadette download a dating app on Amy's phone to try and find her a new man.

  Appeared as Kenny