How many movies have Gert Verhulst and Sven Huybrechts collaborated on?

They have worked on 2 movies together! Their first movie together was Piet Piraat en het Zwaard van Zilvertand (2008) while their highest rated movie together was Piet Piraat en het Schotse Spook (2009). They have not worked together since Piet Piraat en het Schotse Spook (2009).