How many movies have Curth Flatow and Eckart Hachfeld collaborated on?

They have worked on 7 movies together! Their first movie together was Kindermädchen für Papa gesucht (1957) while their highest rated movie together was Der Pauker (1958). They have not worked together since Ich zähle täglich meine Sorgen (1960). They are most known for their comedy films together.