How many movies have Chris Cauwenbergs and Gert Verhulst collaborated on?

They have worked on 19 movies together! Their first movie together was Plop And The Gnome Treasure (1999) while their highest rated movie together was Plop Special: The Gnome Easter Bunny (2010). They have not worked together since Plop Becomes Gnome King (2012). They are most known for their family films together.