The gang’s beach party is interrupted by a ghost in a glowing deep sea-diving suit, who they think is connected with the disappearance of several yachts. The mystery leads the gang underwater, to a bay known as “The Graveyard of Ships” where they run into the ghostly diver again.

While on their way to Franken Castle, Mystery Inc. stop to get their fortunes told by a gypsy fortune teller. She warns them “they will meet their doom” if they go to the castle. Scooby and the gang go to the castle anyway, where they are confronted by Count Dracula, Frankenstein’s monster and the Wolfman.

Scooby-Doo is named in the will of Colonel Beauregard Sanders, an eccentric millionaire whose life he saved several years earlier. The only way to claim the inheritance is for Scooby, and the other four heirs to spend the night in the Colonel’s mansion — which they quickly learn is haunted by two phantom shadows, later […]

Shaggy and Scooby’s vacation in Hawaii is interrupted by a ghostly witch doctor, who warns the tourists and natives they are on the sacred grounds of the island god Mano Tiki Tia and to stay away from the cursed village. Later, the gang’s guide John Simms goes missing, so it is up to the gang […]

Mystery, Inc. meets a strongman and a midget, both on the run from a circus allegedly haunted by a Ghost Clown. The gang goes to the circus grounds to investigate, but Daphne, Shaggy and Scooby fall victim to the Ghost Clown’s powers of hypnotism.

When a series of local dognappings alarms prize-winning dog trainer Buck Masters, the gang offers to have Scooby-Doo pose as a decoy to catch the dognappers. However, their plan works too well as Scooby is himself dognapped, leading the gang to discover that the dognappers appear to be under the command of a ghostly Indian […]

While participating in the Johnny Sands Dance Game Show at a TV station in Los Angeles, the teens encounter a phantom made of wax, who steals a safe full of money and kidnaps the station manager. They track him down to a nearby wax museum full of famous figures used in Hollywood movies and TV […]

The gang notices that the carnival Funland appears to be operating by itself, so they go to investigate. They soon discover a crazy robot running loose, but when they notify the caretaker, he and his sister rebuff them, convincing the kids to solve the mystery themselves.

The newspaper reports that local shipping company owner C.L. Magnus’s company is going out of business, because the ghost of the pirate Redbeard is haunting the harbor and looting Magnus’ ships. After reading the story and consulting Magnus, the gang heads out to sea to see if they can stop the ghost, but soon find […]

The gang goes out boating, but gets lost in a fog and crashes their boat on the mysterious Haunted Isle. They decide to venture to the abandoned Vázquez Castle on the island for help, but instead encounter a transparent phantom running loose, who threatens them to leave the island and never return.

The Mystery Machine overheats in front of an old spooky mansion, and the gang goes to look for help, but finds out that the house is being haunted by the Headless Spectre, a terrifying phantom with no head. The mystery gets even stranger when they begin to hear knocking sounds and clues leading to a […]

While on their way to their high school’s barn dance, the gang comes across a knocked-out bank guard and his ransacked car. After he mumbles to them some clues, they discover that the local banks have been robbed by a mysterious zombie-like phantom called the Creeper, who later shows up the dance, cuts the power, […]

Thanks to Shaggy reading the map upside down, the sleuths end up in Gold City, an old mining town in the California desert, which is being haunted by the ghost of a miner from 1849 who is said to wander the mines looking for the last vein of gold.

After attending a Chinese New Year parade in San Francisco, Daphne buys a golden mask in a curio shop. The gang then visits Mr. Fong, who tells them that the mask was stolen many centuries ago from the crypt of a Chinese warlord named Zen Tuo. When the ghost’s two zombie henchmen kidnap Daphne and […]

The gang get jobs as extras on Daphne’s uncle John’s set of his new movie The Ape Man of Forbidden Mountain, which is based on the legend of an ape man. However, the legend soon comes true and the ape man terrorizes the set and the gang.

On their way home from the Malt Shop, the gang encounters the Ghost of Mr. Hyde in the back of the Mystery Machine, who runs through a marsh and sneaks into a spooky house. The house turns out to be the home of Dr. Jekyll (the great-grandson of the novel character), who fears he may […]

While visiting a museum, the gang learn about the legend of Ankha, a 3000-year-old mummy. Legend had it that the mummy will come back alive and turn people to stone if he is removed from his tomb. Shaggy later finds a coin inside his pocket from the exhibit, and when the gang go back to […]

While out fishing in Florida, Shaggy and Scooby-Doo hook a 2-million-year-old caveman frozen in a block of ice, which the gang learns was lost at sea during a violent storm. They take the caveman to the Oceanland aquarium, but when someone melts the ice block and the caveman goes on the rampage, the gang decides […]

The Mystery Machine runs out of gas in front of a rural farmhouse, where the farmer warns them of an abandoned airfield nearby, which is haunted by a UFO and it’s ghostly extraterrestrial pilot.

While on a skiing vacation at Wolf’s End Lodge, the kids are scared by the ghost of a Yeti, called the Snow Ghost, who is believed to turn anyone he captures into ghosts. In search of clues, the gang meets a Tibetan hermit who thinks he is responsible for summoning the monster.

While getting a pizza, Shaggy and Scooby-Doo come across a violin case filled with counterfeit money. While Scooby is distracted by a dog puppet, the case of money is stolen away. Shaggy, Scooby, and the rest of the gang find a string puppet controller at the scene and follow it to the local puppet theater, […]

While walking home from the movies, Shaggy and Scooby-Doo discover a black suit of armor in a pickup truck, and the gang deliver it to the local museum. The kids later break into the museum to search for clues, after learning that the archaeologist who was transporting the suit is missing, and they find that […]

The gang pay a visit to their friend Sharon Wetherby, whose Uncle Stuart has been cursed by the ghost of the family’s neighbor, Elias Kingston. When Uncle Stuart disappears altogether, Mystery Inc. ventures into the abandoned and allegedly haunted Kingston Mansion next door, in search of him and the ghost.

While lost in a swamp, the gang comes across a zombie who spooks them. In the nearby town of Swamp’s End, they learn that a witch nearby brought the zombie to life, and the gang investigates.