How many movies have Hannelore Auer and Hans Billian collaborated on?

They have worked on 8 movies together! Their first movie together was Übermut im Salzkammergut (1963) while their highest rated movie together was The Merry Girls of Tyrol (1964). They have not worked together since Das Spukschloß im Salzkammergut (1966). They are most known for their comedy films together.