Guest Star: Lewis Black

  • The Jiminy Conjecture

    The Jiminy Conjecture
    Season 3, Episode 2 - Aired September 28, 2009

    Leonard and Penny's relationship hits a snag when their first night together is not as special as they expected. Meanwhile, Sheldon and Howard go to great lengths to determine the species of a cricket for a wager they made.

    Appeared as Professor Crawley

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