How many movies have Alvaro Vitali and Gloria Guida acted in together?

They have worked on 5 movies together! Their first movie together was The Teasers (1975) while their highest rated movie together was The High School Student in the Repeating Class (1978). They have not worked together since La liceale, il diavolo e l'acquasanta (1979). They are most known for their comedy films together.