How many movies have Randall Crissman and Willard Carroll collaborated on?

They have worked on 4 movies together! Their first movie together was Jingle Bells (1999) while their highest rated movie together was The Tangerine Bear: Home in Time for Christmas! (2000). They have not worked together since The Adventures of Tom Thumb & Thumbelina (2003). They are most known for their animation films together.