How many movies have David Herman and Paul D. Calder collaborated on?

They have worked on 5 movies together! Their first movie together was Olive, The Other Reindeer (1999) while their highest rated movie together was Futurama: Bender's Big Score (2007). They have not worked together since Futurama: Into the Wild Green Yonder (2009). They are most known for their tv movie films together.