Last week, before exploring the dark, dark place known as the two live action Scooby-Doo movies, I gave a brief review of Scooby-Doo on Zombie Island, a 1998 straight-to-video film that just about singlehandedly revived the franchise after—depending on how you count and how you feel about A Pup Named Scooby-Doo—about two decades of stagnation.…