How many movies have Janet Waldo and June Foray acted in together?

They have worked on 4 movies together! Their first movie together was The Man Called Flintstone (1966) while their highest rated movie together was Scooby-Doo's Spookiest Tales (2001). They have not worked together since Scooby-Doo's Spookiest Tales (2003). They are most known for their animation films together.