How many movies have Debi Derryberry and Steven Argila collaborated on?

They have worked on 3 movies together! Their first movie together was Monster High: 13 Wishes (2013) while their highest rated movie together was Monster High: Boo York, Boo York (2015). They have not worked together since Monster High: Boo York, Boo York (2015). They are most known for their family films together.