How many movies have Ernst Cohen and Peter Weissflog collaborated on?

They have worked on 2 movies together! Their first movie together was Der Komödienstadel - Der Zigeunersimmerl (1999) while their highest rated movie together was Pumuckl und sein Zirkusabenteuer (2003). They have not worked together since Pumuckl und sein Zirkusabenteuer (2003).