How many movies have Sonja Jeannine and Wolf C. Hartwig collaborated on?

They have worked on 7 movies together! Their first movie together was Schoolgirl Report Part 5: What All Parents Should Know (1973) while their highest rated movie together was Bedtime Stories for Grownups (1974). They have not worked together since The Bod Squad (1974). They are most known for their comedy films together.