You are viewing a list of 1 The Big Bang Theory episode featuring "2003" in their title.
  • The 2003 Approximation

    Season 9, Episode 4 - The 2003 Approximation
    Aired October 12, 2015

    When Sheldon learns that Leonard has moved out and is now living with Penny, he reverts to 2003 - a simpler time before he met Leonard and Penny. Howard and Raj form a folk sci-fi band to play live music at Stuart's Comic Book Store.