The funniest scene is also the saddest: The kitchen crew, having cleaned up, watching the clock like New Year's, goes nuts when a couple is seated a minute before closing. This is pain.
Waiting makes us wait too long between laughs. But its sly awareness of the people and the work might transport you back to that Pizza Hut, Olive Garden or T.G.I. Friday's in your own "Order up!" past.