How many movies have Gerhard Hahn and Stefan Beiten collaborated on?

They have worked on 4 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: The Crystal Ball / The Blue Light (2006). They are most known for their animation films together.