Guest Star: David Theune

You are viewing a list of David Theune's 2 appearances on The Big Bang Theory.

  • The Imitation Perturbation

    The Imitation Perturbation
    Season 12, Episode 6 - Aired October 25, 2018

    Sheldon is offended when Howard dresses up like him for Halloween, so he and Amy get their revenge at Leonard and Penny's Halloween party. Meanwhile, Leonard is surprised that Penny doesn't remember their first kiss.

    Appeared as Dr. Graybel

  • The Decision Reverberation

    The Decision Reverberation
    Season 12, Episode 20 - Aired April 25, 2019

    After Leonard decides to stand up for himself and not try to please everyone all the time, he demands a new job at the university. Meanwhile, Raj worries he has become a laughing stock in his field when he publishes a paper which raises the possibility of alien life.

    Appeared as Dr. Graybel

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