How many movies have Hugh Wedlock Jr. and Lou Costello collaborated on?

They have worked on 3 movies together! Their first movie together was In Society (1944) while their highest rated movie together was Bud Abbott and Lou Costello Meet the Killer, Boris Karloff (1949). They have not worked together since Bud Abbott and Lou Costello Meet the Invisible Man (1951). They are most known for their comedy films together.