The kids head to the island of Scareruba, to see Prince Ruba, and take pictures of the surfing festival and legendary surfer Cowabunga Carlyle. But while there, they hear of the lost treasure of Scareruba and the great white shark and seaweed monster who are protecting it.

Daphne locks everyone into an old house for the night to prove it's not haunted. But when she finds a secret diary, everything she reads comes true for Shaggy and Scooby, including ghosts!

Daphne and the guys with the "help" of Dr.Grumper, the seismologist, try to solve the mystery of the strange earthquakes that are happening on the indian land, and the slimey monster that is trying to scare everyone away.

The kids are headed to Barkerville Hall, in Scotland, to figure out what is happening to the Barkervilles sheep. Has the curse come true, has the Hound of the Barkervilles come, and is it Scooby, as all the town people believe.

The gang goes to visit Dr.LaRue, an archeologist, in San Pablo, Mexico, who excavated a dinosaur that has come to life. The dinosaur is now scaring everyone off, but why, and does it have anything to do with the Lost Silver Mine of Montazuma.

The kids head to Hillside High, to help Daphne's cousin Jennifer out. It seem that a creature from the chemistry lab has been scaring off students and forced the school to cancel it's dance. Does it have something to do with Professor Marcin, who believes kids should do school work and have no fun, or someone else?

The gang goes to Blake Manor for a vacation, and gets there in time for the costume party, where Mr.Blake will be auctioning off a valuable stamp worth millions. But there is a cat burglar, the Masked Manx, on the loose, who leaves an ace of spades in the place of every item he steals. Can the kids stop him and save the stamp?

The kids head to the game preserve in the African jungle, to interview Mr.Rasheed and discover what is behind the disappearances of the jungle animals. With the help of Scooby's animal phrase book, the kids learn that some of the animals are being put into a trance after hearing a strange whistle.

The gang is on their way to Paradise Island for a vacation, and stop at Barney's Gas Station for food. While there, Barney tells them how people who have stayed on the island have vanished, and others have been turned into zombies.