Vote for your favorite The Big Bang Theory episodes in our tournament

Guest Star: Piper Mackenzie Harris

  • The Contractual Obligation Implementation

    The Contractual Obligation Implementation
    Season 6, Episode 18 - Aired March 7, 2013

    Leonard, Sheldon and Howard visit Howard's old school to speak to junior high girls about careers in science. Meanwhile, Raj plans his first formal date with Lucy, while the girls visit Disneyland and dress up as Disney princesses.

    Appeared as Girl #1

 Search for Piper Mackenzie Harris on IMDB