The Big Bang Theory | The Proton Regeneration
Genre: Comedy
Director: Bill Prady, Chuck Lorre
Cast: Jim Parsons, Johnny Galecki, Kaley Cuoco, Kunal Nayyar, Mayim Bialik, Melissa Rauch, Simon Helberg
Description: : Sheldon goes head-to-head with Wil Wheaton for the role of the new Professor Proton. Also, Penny steps in to take care of Halley when Bernadette and Wolowitz both wind up on bed rest.