Sheldon goes head-to-head with Wil Wheaton for the role of the new Professor Proton. Penny steps in to take care of Halley when Bernadette and Howard both wind up on bed rest.
Elenco:
Jim Parsons
,
Johnny Galecki
,
Kaley Cuoco
,
Simon Helberg
,
Kunal Nayyar
,
Mayim Bialik
,
Melissa Rauch
,
Kevin Sussman
,
Aarti Mann
,
Kevin Sussman
,
Sara Gilbert
.
