How many movies have Jay Bixsen and John Loy collaborated on?

They have worked on 8 movies together! Their first movie together was The Land Before Time II: The Great Valley Adventure (1994) while their highest rated movie together was Alvin and the Chipmunks Meet Frankenstein (1999). They have not worked together since The Land Before Time XIII: The Wisdom of Friends (2007). They are most known for their family films together.