When a secluded school for magicians faces danger from a fantastical flying creature outside and sinister forces inside, there's just one thing to say: Abracadabra-Doo!, the newest feature-length case for ScoobyDoo and the Mystery Inc. crew. While visiting Velma's sister Madelyn, who's enrolled at the Whirlen Merlin Magic Academy, the gang gets lots more than a rabbit emerging from a hat. A greedy ice-cream mogul wants to close the place, a screaming banshee gives everyone the creeps and a mythological half-dragon, half-lion animal known as a gryphon seems all too real, (an Scooby-Doo. Shaggy, Daphne, Fred and Velma learn enough tricks of the trade to uncover the secrets that will save the school? Abracadabra! With these mystery solvers around, having fun is always magical.