How many movies have Michael Kranz 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).

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