Scooby-Doo inherits a mansion after saving Colonel Beauregard Sanders from drowning some years ago. He and some other heirs will each get a fortune if they stay the night but there's a warning that the house is haunted. The warning appears justified when someone (or something) comes to frighten the heirs away.

While driving to a concert, the gang gets lost. A strange man with a lantern tells them to avoid taking a right fork in the road. That would take them to a mansion that's rumored to be haunted by a headless man.

While driving to the barnyard dance, the gang finds an injured bank guard. He gives them a blank paper and says something about a flame. The gang learns of a local bank robber called the Creeper. Things take a serious turn when the Creeper tries to steal the blank paper.

The gang go to Decade Records recording studio to see a live recording from their friend, Jimmy Lewis, but the building is haunted by the Phantom, who is trying to find a song by a missing writer, and will stop at nothing until he gets it.

The gang gets shipwrecked on an island that happens to be an old lair for a pirate. They find a map, but there is a warning telling them to leave the island. The warning appears justified when a ghost called 'The Phantom' is after them.

While driving back from the movies, the gang finds a strange man in the back of the Mystery Machine. They recognize it as the ghost of Mr. Hyde who is a jewel thief. They follow him to a house where they meet a descendent of Dr. Jekyll who claims to be the ghost of Hyde, but is he telling the truth?

The gang gets lost while driving to a concert. They ask a man to give them directions only to learn that he's a zombie. They also learn of a nearby witch who is responsible for the zombie's resurrection.

The gang, at the college museum, gets the lead on a dead Egyptian ruler named Inca. According to an ancient superstition, if he were ever removed from his crypt, he would turn the people who moved him into stone. Shaggy finds a rare coin that the Professor is trying to study. The trouble begins when Shaggy accidentally takes the coin and the mummy is on the loose looking for it.

The gang is having fun at a TV station with their friend Johnny but then a wax creature shows up. Johnny tells them that years ago a wax maker named Grisby used to work for the station. He was fired and threatened to bring one of his wax creations to life to seek revenge on the people who fired him.

The gang visit their friend, Antonio, in Venice, Italy, and find that he's haunted by the ghost of an ancestor, the Ghostly Gondolier, who seeks to steal the ancient necklace/family heirloom Antonio wears!

While fishing, the gang encounters a frozen caveman. The gang takes it Ocean Land to keep it in the cooler but someone melts the ice and now the caveman is on the loose.

The gang sees a strange man go into a weird mansion. They learn that he is a friend of their Uncle Stewart. Stewart tells them that the ghost of the Kingston Mansion caused him to turn old. Strange things start happening when Sharron and Uncle Stewart vanish.

Velma gets asked by her uncle Dave to visit. But while visiting, they find out that he's vanished. Then, they encountered the legendary Willawaw and two Owlmen who may be responsible for uncle Dave's disappearance. Legend has it if an owl calls your name, you'll be the next victim the Willawaw claims.

The gang head to Puerto Rico to go on holiday. They visit an ancient fortress where the ghost of General Juan Carlos, who guards the El Moro Fortress, warns them to stay away.

After their plane crashes in the Amazon jungle, Scooby and the gang face a tigerlike creature.

Scooby-Doo witnesses a dog kidnapping at the park. After hearing about it, the gang decides to use Scooby-Doo as bait to capture the kidnappers.

The gang visits their friend, Professor Greer, at Vulture's Claw Botanical Gardens and discovers a strange creature that roams around the place.

The gang gets volunteered as workers by Daphne's uncle, a director currently filming a movie about a fierce creature called the ape man. Rumor has it that the real ape man is alive. The gang soon learns that it's not just a rumor.

The gang investigates the appearance of a Ghost Pirate.

The kids visit Skull Island, where there's an old prison still inhabited by Iron Face, a mean prisoner who had a iron mask welded to his face. With him and his torpedo-like sharks, will the kids last long?

While camping out in the woods, the gang comes across a tombstone of a man that was a werewolf. Are they pursuing the ghost of a werewolf?

While touring England, the gang come upon tennis star, Jimmy Pelton, who's been cursed by Anthos, a warlock, and told to forfeit the Wimbledon tournament.

The Loch Ness monster terrorizes Velma's friend, Aggie MacDuff.

On a fishing trip, the gang end up in Canada at the newly deserted village of Bottomless Lake. Turns out the beast has scared everyone away, which only leaves Scooby, and the gang, to fritter away.