How many movies have Frank Welker and Jon Shapiro collaborated on?

They have worked on 4 movies together! Their first movie together was Ri¢hie Ri¢h (1994) while their highest rated movie together was Curious George 3: Back to the Jungle (2015). They have not worked together since Curious George 3: Back to the Jungle (2015). They are most known for their family films together.