How many movies have Kevin Eastman and Peter Laird collaborated on?

They have worked on 14 movies together! Their first movie together was Teenage Mutant Ninja Turtles: Heroes in a Halfshell (1988) while their highest rated movie together was Turtles Forever (2009). They have not worked together since Teenage Mutant Ninja Turtles: Mutant Mayhem (2023). They are most known for their science fiction films together.