How many movies have Gerhard Hahn and Jens Busch collaborated on?

They have worked on 3 movies together! Their first movie together was The Fairy Tales of the Brothers Grimm: Cinderella / King Thrushbeard (2005) and was their highest rated movie together. They have not worked together since The Fairy Tales of the Brothers Grimm: Snow White / The Wolf and Seven Little Kids (2006). They are most known for their animation films together.