We haven't had a Hanna Barbera crossover since Tom and Jerry: Willy Wonka and the Chocolate Factory. Both young and older fans of this Movie and Franchise would love to see a crossover special.

It has to be a Scooby-Doo Movie, Scooby-Doo needs to shine more. 

In the crossover Shaggy Velma Daphene Fred and Scooby are Charlie's Protectors and go with him to Willy Wonka's Chocolate Factory with Grandpa Joe.

Just imagine the Mystery Crew and Scooby reacting to the Pink Candy Boat