How many movies have Gerhard Heinz and Rudi Carrell collaborated on?

They have worked on 5 movies together! Their first movie together was When the Mad Aunts Arrive (1970) while their highest rated movie together was Tante Trude aus Buxtehude (1971). They have not worked together since Crazy - Total verrückt (1973). They are most known for their comedy films together.