How many movies have Edeltraud Schubert and Norbert Ruf collaborated on?

They have worked on 2 movies together! Their first movie together was Bibi Blocksberg (2002) while their highest rated movie together was (T)Raumschiff Surprise - Periode 1 (2004). They have not worked together since (T)Raumschiff Surprise - Periode 1 (2004).