How many movies have Hal Smith and Joseph Barbera collaborated on?

They have worked on 5 movies together! Their first movie together was Hey There, It's Yogi Bear! (1964) while their highest rated movie together was The Adventures of Robin Hoodnik (1972). They have not worked together since Scooby-Doo's Creepiest Capers (2000). They are most known for their family films together.