How many movies have Chris Cauwenbergs and Olaf Janssens collaborated on?

They have worked on 10 movies together! Their first movie together was Plop and the Gnome Treasure (1999) while their highest rated movie together was 10 jaar Plop - Kabouter Plop (2007). They have not worked together since Plop Becomes Gnome King (2012). They are most known for their family films together.