2021-09-03T02:21:57+00:00 Play 6.4 Scooby-Doo! The Mystery Begins PG2009Animation82 min The story of how Mystery Inc. was formed.Tags: friendshipBrian LevantFrank WelkerHayley KiyokoKate Melton 30 ViewsLike 1ShareTrailerWatch Now You might also like..