How many movies have John W. DeBlau and Lyndell Quiyou collaborated on?

They have worked on 4 movies together! Their first movie together was D.A.R.Y.L. (1985) while their highest rated movie together was Hachi: A Dog's Tale (2009). They have not worked together since Hachi: A Dog's Tale (2009). They are most known for their family films together.