How many movies have Agnes de Nul and Olaf Janssens collaborated on?

They have worked on 11 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 Ghost Rockers voor Altijd (2016). They are most known for their family films together.