'The Proton Regeneration' Pictured Wil Wheaton and Sheldon Cooper Sheldon goes headtohead with Wil Wheaton for the role of the new Professor Proton...
{"Image ImageDescription": "LOS ANGELES - OCTOBER 3: \"The Proton Regeneration\" -- Pictured: Wil Wheaton (Himself) and Sheldon Cooper (Jim Parsons). 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, when THE BIG BANG THEORY moves to its regular time period, Thursday, Nov. 2 (8:00-8:31 PM, ET/PT), on the CBS Television Network. (Photo by Michael Yarish/CBS via Getty Images)", "Image Copyright": "2017 CBS Photo Archive"}