How many movies have Janice Burgess and LaShawn Tináh Jefferies collaborated on?

They have worked on 3 movies together! Their first movie together was The Backyardigans: It's Great to Be a Ghost! (2004) while their highest rated movie together was The Backyardigans: Robot Repairman (2009). They have not worked together since The Backyardigans: Robot Repairman (2009). They are most known for their animation films together.