Episode Titles: Bad

 You are viewing a list of 1 The Big Bang Theory episode featuring "Bad" in their title.

  • The Bad Fish Paradigm

    Season 2, Episode 1 - The Bad Fish Paradigm
    Aired September 22, 2008

    When her first date with Leonard doesn't go to plan, Penny finds an unwilling confidant in Sheldon. Sheldon can not handle the stress of keeping Penny's secret, so he decides to move out of the apartment.