How many movies have Janice Karman and Patty Burns collaborated on?

They have worked on 1 movie together! Their first movie together was The Chipmunk Adventure (1987) and was their highest rated movie together. They have not worked together since The Chipmunk Adventure (1987).

Crew
Director
Crew
Production Coordinator
Role
Theodore / Brittany / Jeanette / Eleanor (voice)
Crew
Writer