How many movies have Franco Franchi and Gabriella Vitale collaborated on?

They have worked on 4 movies together! Their first movie together was Indovina chi viene a merenda? (1969) while their highest rated movie together was Franco, Ciccio e il pirata Barbanera (1969). They have not worked together since Il Figlioccio del padrino (1973). They are most known for their comedy films together.