3.5
/10
Extra is a fictional character portrayed by Lisa Randall in the TV series The Big Bang Theory.
They appear in 1 episodes out of a total of 279 aired

Extra

by Lisa Randall

character

Episodes1

  • 8
    /10

    The Large Hadron Collision
    episode S3.E15 february 2010
    When Leonard is offered a trip to Switzerland on Valentine's Day to visit the CERN laboratory, Sheldon uses any and all means to be his guest instead of Penny.