The Big Bang Theory

The Clean Room Infiltration

Series 8 - Episode 11 The Clean Room Infiltration



Amy pulls out all the stops as she hosts a traditional Victorian Christmas Eve dinner for the friends. Meanwhile, Raj's father comes to visit, and the guys do their best to free a bird they accidentally let into the university clean room. Comedy, starring Johnny Galecki, Jim Parsons and Kaley Cuoco.

Cast & Crew

Leonard Hofstadter Johnny Galecki
Sheldon Cooper Jim Parsons
Howard Wolowitz Simon Helberg
Raj Koothrappali Kunal Nayyar
Penny Kaley Cuoco