While putting up Shaggy's papers for his morning route, Scooby runs into a green monster that steals Shaggy's bike. The gang traces it to a haunted house where they find a room full of counterfeit money.
The Coolsville bank is robbed. The janitor says that he saw a monster in the vault but nobody believes him and he is accused of the robbery. He's proven right when Scooby finds the monster inside his doghouse.
At the Scooby Snack factory, where Scooby's food is being made a strange accident occurs at the cheese lab. The workers are all chased away by a strange cheese creature demanding that Scooby Snacks stop being made.
Scooby and Shaggy are at the Coolsville comic book convention where they learn their old friend has been saving the #1 comic book of Commander Cool for them. They find themselves in trouble when one Commander Cool's enemies comes to steal the comic book.
Scooby and Shaggy go to see a scary film while dropping off Shaggy's baby sister at the sitters, but they are horrified when they find the sitter is hideous. What's worse is that the monster movie character has come to life and an escaped convict is on the loose.
Fred, Daphne, and Velma help Shaggy and Scooby clear their names when they're framed for stealing a bunch of Japanese swords with a curse that attracts a Samurai Warlord Ghost and encounter the ghost at the same time.
The gang heads down to the beach where Velma's aunt works to help solve the mystery of her dolphins' disappearance. They also learn of a mysterious stranger prowling around the beach.
It's Halloween and the gang gets set out for trick or treating. At their friends the Johnsons' house, they learn that there is a real ghost living there. The ghost is a sweet one or so they think. The ghost of a long dead pirate comes demanding the Johnsons move away. The real ghost asks the gang to help save his house.
The gang is camping out in the woods where they learn about the totem monster. Things take a serious turn when the legend comes to life and the totem monster wants them off his land.
The gang goes to spend a wonderful weekend at Daphne's house. They befriend her security guard who's helping Daphne try to find the thief that's in her house. Shaggy and Scooby soon discover that the thief is a dead chef that was fired years ago.
Freddy is doing a new film edition to the Stinkweed series. He runs into the actor who plays Stinkweed who claims that he's being framed for some strange incidents.
