Guest Star: Sophie Oda

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  The Hofstadter Insufficiency
  Season 7, Episode 1 - Aired September 26, 2013

  With Leonard still away at sea, Sheldon and Penny bond by sharing some intimate secrets. Meanwhile, still recovering from his break-up from Lucy, Raj tries to get back on the dating scence. Elsewhere, Amy and Bernadette attend a biology convention together.

  Appeared as Grace