CBS

Casting News Bill Nye to Guest Star

Posted on Oct 2, 2013 03:15pm

THIS JUST IN...The revenge of the science TV hosts is coming to The Big Bang Theory this fall!  Emmy Award Winner Bob Newhart will reprise his role as Professor Proton, Sheldon's favorite childhood hero.  In the episode, when Professor Proton (Newhart) contacts Leonard (Johnny Galecki) to ask for help with an experiment, a scorned Sheldon (Jim Parsons) seeks revenge by befriending a rival science TV host, Bill Nye (who will guest star as himself!) So grab your pen from your pocket protectors and mark your calendars to be sure to tune in on Novemeber 7th to catch this very special episode!