The Clean Room Infiltration

Overview

Leonard and Howard turn to Raj for help in dealing with a work emergency when they nearly come to blows after blaming each other for a potential disaster at the university. Amy throws an authentic Victorian Christmas party, while Sheldon seeks revenge on her for making him celebrate the holidays.

Guest Stars

Brian George

V.M. Koothrappali

Dakin Matthews

Santa Claus

Michael Reetz

Photographer