You are going to Watch What’s New, Scooby-Doo? Episode 7 online free episodes with HQ / high quality. Stream cartoons What’s New, Scooby-Doo? Episode 7 Online Roller Ghoster Ride, The crew go to a very popular rollercoaster park, when Shaggy & Scooby win a competition to design a hot rollercoaster ride to construct and build for the park. But then they run into some ride mischief with a ghost who wants to break all the rides for no apparent reason.