Guest Star: Sean Astin

Sean Astin is an American actor best known for his roles in the film series The Lord of the Rings, the 1980s film The Goonies and the TV series Stranger Things.

You are viewing a list of Sean Astin's 3 appearances on The Big Bang Theory.

  • The Confirmation Polarization

    The Confirmation Polarization
    Season 12, Episode 13 - Aired January 17, 2019

    Sheldon and Amy are delighted when a pair of physicists from Chicago prove their theory on super-asymmetry, until they try to take credit for the work.

    Appeared as Dr. Pemberton

  • The Laureate Accumulation

    The Laureate Accumulation
    Season 12, Episode 18 - Aired April 4, 2019

    Sheldon and Amy are outraged when they see Drs. Pemberton and Campbell going on a publicity tour, taking credit for their theory.

    Appeared as Dr. Pemberton

  • The Big Bang Theory

    The Plagiarism Schism
    Season 12, Episode 21 - Aired May 2, 2019

    President Siebert tries to patch things up between Drs. Pemberton and Campbell, but a secret from Dr. Pemberton's past gets in the way.

    Appeared as Dr. Pemberton

 Search for Sean Astin on IMDB