The Big Bang Theory › Season 8

S8 E11: The Clean Room Infiltration

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.

Air date	Dec 11, 2014
Runtime	19 minutes
TMDB rating	★ 7.2/10