The Big Bang Theory Season 8, Episode 11 : The Clean Room Infiltration

On Christmas Eve, Amy plans a traditional Victorian dinner, while Raj, Leonard and Howard scramble to remove a pigeon that flew into the clean room at the university. To prove a point to Amy, a Scrooge-like Sheldon buys her the worst possible gift. Guest Stars: Brian George, Dakin Matthews, Michael Reetz,

Previous Episode Next Episode