Guest Star: Ryan Cartwright

You are viewing a list of Ryan Cartwright's 1 appearance on The Big Bang Theory.

  • The 43 Peculiarity

    Season 6, Episode 8 - The 43 Peculiarity
    Aired November 15, 2012

    Howard and Raj are intrigued when they notice Sheldon disappears every day at 2:45. When they secretly follow Sheldon down to the basement, they are made even more curious by the number 43 written on a blackboard. Meanwhile, Leonard gets jealous when Penny invites a guy in her history class over to study.

    Appeared as Cole

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