How many movies have Cynthia Kania and Don Behrns collaborated on?

They have worked on 2 movies together! Their first movie together was Friday the 13th Part VI: Jason Lives (1986) while their highest rated movie together was Crystal Lake Memories: The Complete History of Friday the 13th (2013). They have not worked together since Crystal Lake Memories: The Complete History of Friday the 13th (2013).