Mayim Bialik, Kaley Cuoco, Johnny Galecki, Simon Helberg, Chuck Lorre, Steven Molaro, Bill Prady, Jim Parsons, Melissa Rauch, and Kunal Nayyar

Mayim Bialik and Bill Prady at an event for The Big Bang Theory (2007)

David Goetsch, Eric Kaplan, and Bill Prady at an event for The Big Bang Theory (2007)

Johnny Galecki, Bill Prady, and Melissa Rauch

Johnny Galecki, Simon Helberg, Bill Prady, and Kunal Nayyar at an event for The Big Bang Theory (2007)

Kaley Cuoco, Johnny Galecki, Simon Helberg, Chuck Lorre, Bill Prady, Jim Parsons, and Kunal Nayyar at an event for The Big Bang Theory (2007)

Chuck Lorre, Bill Prady, Steve Wozniak, and Jim Parsons in The Big Bang Theory (2007)

Simon Helberg, Bill Prady, and Kunal Nayyar in The Big Bang Theory (2007)

Simon Helberg, Chuck Lorre, Bill Prady, and Kunal Nayyar in The Big Bang Theory (2007)

Mayim Bialik, Kaley Cuoco, Johnny Galecki, Simon Helberg, Chuck Lorre, Steven Molaro, Bill Prady, Kevin Sussman, Jim Parsons, Melissa Rauch, and Kunal Nayyar in The Big Bang Theory (2007)

Mayim Bialik, Mark Cendrowski, Kaley Cuoco, Johnny Galecki, Simon Helberg, Chuck Lorre, Steven Molaro, Bill Prady, Kevin Sussman, Jim Parsons, Melissa Rauch, Steve Holland, and Kunal Nayyar in The Big Bang Theory (2007)