Johnny Galecki, Simon Helberg, Jim Parsons, and Kunal Nayyar in Big Bang: A Teoria (2007)

Mayim Bialik and Simon Helberg in Big Bang: A Teoria (2007)

Kaley Cuoco and Johnny Galecki in Big Bang: A Teoria (2007)

Mayim Bialik, Kaley Cuoco, Johnny Galecki, and Jim Parsons in Big Bang: A Teoria (2007)

Simon Helberg and Kunal Nayyar in Big Bang: A Teoria (2007)

Johnny Galecki and Jim Parsons in Big Bang: A Teoria (2007)

Mayim Bialik and Kaley Cuoco in Big Bang: A Teoria (2007)

Mayim Bialik and Jim Parsons in Big Bang: A Teoria (2007)

Mayim Bialik, Kaley Cuoco, and Melissa Rauch in Big Bang: A Teoria (2007)

Simon Helberg in Big Bang: A Teoria (2007)

George Takei, Simon Helberg, Katee Sackhoff, and Melissa Rauch in Big Bang: A Teoria (2007)

Simon Helberg and Katee Sackhoff in Big Bang: A Teoria (2007)

Christine Baranski in Big Bang: A Teoria (2007)

Mayim Bialik, Kaley Cuoco, Johnny Galecki, Simon Helberg, Jim Parsons, Melissa Rauch, and Kunal Nayyar in Big Bang: A Teoria (2007)

Jason Kravits, Kaley Cuoco, and Melissa Rauch in Big Bang: A Teoria (2007)

Wil Wheaton, Mayim Bialik, and Jim Parsons in Big Bang: A Teoria (2007)

Sean Astin, Mayim Bialik, Kal Penn, and Jim Parsons in Big Bang: A Teoria (2007)

Mayim Bialik in Big Bang: A Teoria (2007)

Simon Helberg and Kurt Scholler in Big Bang: A Teoria (2007)

Kathy Bates and Jim Parsons in Big Bang: A Teoria (2007)

Johnny Galecki in Big Bang: A Teoria (2007)

Johnny Galecki and Kunal Nayyar in Big Bang: A Teoria (2007)

Kaley Cuoco and Jim Parsons in Big Bang: A Teoria (2007)

Kunal Nayyar in Big Bang: A Teoria (2007)

Melissa Rauch in Big Bang: A Teoria (2007)