How many movies have Erni Singerl and Ernst Schmucker collaborated on?

They have worked on 3 movies together! Their first movie together was Der Komödienstadel - Die Entwicklungshilfe (1964) and was their highest rated movie together. They have not worked together since Der Komödienstadel - Alles für die Katz (1970). They are most known for their comedy films together.