Leonard and Penny throw a cocktail party but are their friends adult enough to enjoy it on The Big Bang Theory? "The Closet Reconfiguration" is the 19th episode of the show's sixth season.

The Big Bang Theory Season 6 Episode 19 Quotes

Bernadette: Sheldon, I've been cooking all day.
Sheldon: Well ... now don't you feel silly.
Bernadette [to Howard]: Show him the closet

Bernadette: You can't just throw everything in the closet.
Howard: Hey, you can tell what to do or you can tell me how to do it, but you can't do both. This isn't sex.