Countdown to the series finale: 28 days

Guest Star: Riccardo LeBron

  • The Monster Isolation

    The Monster Isolation
    Season 6, Episode 17 - Aired February 21, 2013

    After his date walks out on him, Koothrappali withdraws from the world and hides out in his apartment. Meanwhile, Penny's acting skills impress Sheldon when he sees her in a play.

    Appeared as Tom

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