No friends. The new school sucks. And Mom is in love with a sleazy research doctor. Pretty bleak. That’s how life looks to ten-year-old Gage when suddenly, into his world pops the magical Munchie. Munchie is the ever-hungry and hilarious mysterious creature from another world who delivers flying pizzas and brings on the parties! With the help of Munchie and loony Professor Cruikshank, Gage evens the score on his school’s bullies as well as his mom’s boyfriend and has the greatest summer ever!

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.