Scooby, Shaggy and Scrappy are on their way to a Miss Grimwood's Finishing School for Girls, where they've been hired as gym teachers. Once there, however, they find that not only is it actually an all-girl school of famous monsters' daughters but there's a villainess out to enslave the girls.
Shaggy is turned into a werewolf, and it's up to Scooby, Scrappy and Shaggy's girlfriend to help him win a race against other monsters, and become human again.
After the death of Shaggy's Uncle Beaureguard, he, Scooby and Scrappy arrive at the late uncle's Southern plantation to collect the inheritance. But as soon as they arrive, they find it is haunted by the ghost of a Confederate soldier. With this spook on their tails while they solve riddles in search of the inheritance, they seek help from the Boo Brothers, a trio of ghost-exterminators to help catch this nasty ghoul.
Eles movem-se como sombras na noite. Protegendo os inocentes, derrotando a injustiça e comendo um monte de Scooby Snacks! É verdade – os heróis mais lendários da luta contra o crime, unem as suas forças quando Scooby-Doo e a Mystery. Inc. formam equipa com Batman e Robin. A ação começa quando O Joker e O Pinguim, tentam falsificar dinheiro, mas depressa são impedidos pelo trio Batman, Robin e Scooby-Doo! Mas O Joker e O Pinguim não desistem e regressam para tentar roubar um fato mágico voador, e Scooby e os seus amigos vão ter que demonstrar que com um pouco de ajuda, são capazes de voar bem alto e trazer os bandidos de volta á terra.
Sim, Liz, and Marty are living a quiet life in the town of Oakhurst when their friend Tony goes missing. The gang soon discovers the Phantom Driver is back from the grave, and they must uncover who, or what, it is!