How many movies have Brian Calhoon and Brian K. Roberts collaborated on?

They have worked on 4 movies together! Their first movie together was VeggieTales: Pistachio - The Little Boy that Woodn't (2010) while their highest rated movie together was VeggieTales: Twas the Night Before Easter (2011). They have not worked together since VeggieTales: The Little Drummer Boy (2011). They are most known for their animation films together.