How many movies have Frank Skinner and Lou Costello collaborated on?

They have worked on 17 movies together! Their first movie together was One Night in the Tropics (1940) while their highest rated movie together was Bud Abbott and Lou Costello Meet Frankenstein (1948). They have not worked together since Abbott and Costello Meet the Keystone Kops (1955). They are most known for their comedy films together.