How many movies have Lynn Stalmaster and Ronald W. Herndon Jr. collaborated on?

They have worked on 1 movie together! Their first movie together was Teenage Mutant Ninja Turtles II: The Secret of the Ooze (1991) and was their highest rated movie together. They have not worked together since Teenage Mutant Ninja Turtles II: The Secret of the Ooze (1991).