How many movies have Engelbert Humperdinck and Wilhelm Grimm collaborated on?

They have worked on 3 movies together! Their first movie together was Hansel & Gretel - The Met (1982) while their highest rated movie together was Engelbert Humperdinck - Hänsel & Gretel (2015). They have not worked together since Engelbert Humperdinck - Hänsel & Gretel (2015). They are most known for their music films together.