Guest Star: Erin Allin O'Reilly

You are viewing a list of Erin Allin O'Reilly's 2 appearances on The Big Bang Theory.

  • The Middle-Earth Paradigm

    Season 1, Episode 6 - The Middle-Earth Paradigm
    Aired October 29, 2007

    The whole gang attends Penny's Halloween party, where Leonard's feelings for Penny come to the fore when her ex-boyfriend Kurt shows up. Leonard's attempts to impress Penny by standing up to Kurt lead to humiliation for Leonard.

    Appeared as Cheryl

  • The Pancake Batter Anomaly

    Season 1, Episode 11 - The Pancake Batter Anomaly
    Aired March 31, 2008

    When Sheldon catches the flu, Leonard flees the apartment to avoid having to care for a needy Sheldon. After Sheldon turns up at the Cheesecake Factory, Penny is left to care of him.

    Appeared as Cheryl

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