Dizi Adı: The Big Bang Theory
Bölüm Adı: The Clean Room Infiltration
Sezon/Bölüm: 8. Sezon 11. Bölüm
Yayın Tarihi: 11 Ara. 2014

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.