'The Big Bang Theory': Bob Newhart returns as Professor Proton in final season, and the cast can't be happier
Bob Newhart is back as Professor Proton in episode titled 'The Planetarium Collision', and he has some marriage advice for Amy and Sheldon
Emmy Award-winning actor Bob Newhart is returning to 'The Big Bang Theory' in its 12th and final season.
After appearing previously in 5 episodes of TBBT as Professor Proton, Newhart is back again to offer advice to Sheldon, who is having marital problems with his wife Amy, in the new episode titled 'The Planetarium Collision', set to air on Thursday.
When Amy lacks time to work on super-asymmetry, Sheldon goes to great extents just so that she will be able to work with him, jeopardizing her in the process.
