Wendell Pierce chats with ET about Nathan Lane and Vanessa Williams guest starring on season 2 of ‘Elsbeth,’ premiering tonight on CBS.
In season 6, television icon Bob Newhart made his first appearance as Arthur Jeffries, AKA Professor Proton, quickly becoming one of the show's highlights. Professor Proton is Sheldon and Leonard's childhood hero, the star of a children's science show and the reason the two got interested in...