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
Season 12, Episode 13 - Aired January 17, 2019Sheldon 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
Season 12, Episode 18 - Aired April 4, 2019Sheldon 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 Plagiarism Schism
Season 12, Episode 21 - Aired May 2, 2019President 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