How many movies have Enrico Vanzina and Federico De Robertis collaborated on?

They have worked on 6 movies together! Their first movie together was S.P.Q.R.: 2,000 and a Half Years Ago (1994) while their highest rated movie together was Savages (1995). They have not worked together since 2061 - Un anno eccezionale (2007). They are most known for their comedy films together.