Regis and Joy Philbin were David Letterman’s guests last night, but Letterman managed to keep the evening interesting by maintaining his professional disdain for Regis. The first-rate belittling continued on The Late Late Show with Craig Ferguson, where Don Rickles made mincemeat of the host, and on The Daily Show, where John Oliver had no patience for Republican idioms. Finally, Jimmy Fallon broke out his Robert Pattinson impression to rant about Valentine’s Day. Watch our compilation to see what you missed.