I own first bought Scooby Doo Greatest Mysteries, and Original Mysteries, then another DVD with 5 episodes. Then SCooby Doo Where are you was released season 1 and 2. I bought that and found I had almost all but a few. I want the ones that have a different theme, and in the theme they sing not Where are you Scooby, now its Come on Everyone til the Mystery is solved hang around for Scooby Doo, and they show cousin DEE and DUM of Scooby's relatives. And then a few with SCrappy Doo, before they get rid of Fred, and Daphne. Then they don't make new ones til the Characters are the same but add new ones, they look newer than above and mostly its just Shaggy and Scooby. I only like the original 2 seasons and the ones that showed Dee and Dum in the credits.