How many movies have Greg Burson and William Hanna collaborated on?

They have worked on 3 movies together! Their first movie together was Tom and Jerry: The Movie (1992) while their highest rated movie together was Scooby-Doo! in Arabian Nights (1994). They have not worked together since Scooby-Doo! in Arabian Nights (1994). They are most known for their animation films together.