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

They have worked on 15 movies together! Their first movie together was Plop and the Gnome Treasure (1999) while their highest rated movie together was Plop en de Kabouter Paashaas (2010). They have not worked together since Plop en de Brandweerkabouter (2014). They are most known for their family films together.