How many movies have Cam Clarke and Osamu Yoshioka collaborated on?

They have worked on 2 movies together! Their first movie together was Teenage Mutant Ninja Turtles: Heroes in a Halfshell (1988) while their highest rated movie together was Teenage Mutant Ninja Turtles: The Epic Begins (1988). They have not worked together since Teenage Mutant Ninja Turtles: The Epic Begins (1988).