How many movies have Carlo Vanzina and Mauro Di Francesco collaborated on?

They have worked on 4 movies together! Their first movie together was I Fichissimi (1981) while their highest rated movie together was Taste of the Sea 2: One Year Later (1983). They have not worked together since Eccezzziunale... veramente - Capitolo secondo... me (2006). They are most known for their comedy films together.