What a predicament! The Amazing Krudsky, whose carnival tricks are anything but, steals the light magic from Princess Fairy Willow and it's up to Scooby-Doo and Shaggy to stop him or everyone will be turned into horrible Halloween monsters! Our heroes board the Grim Reaper Railroad bound for the fantastic world of Halloween Land to retrieve the powerful Goblin Scepter from the Goblin King before Krudsky can. Along the way, the Mystery Inc. crew encounters the infamous Headless Horseman, the helpful Jack O'Lantern and a frisky broomstick that takes them on the ride of their afterlife. Your house will shake with enchanted creatures and weird worlds in this merry animated adventure where hobnobblin' with a goblin is frightful fun!