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.

A spaceman haunts an abandoned airfield.

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.

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.

The gang, on their way to the Frankenstein castle, visits a gypsy fortune teller who warns them not to go to the castle. They ignore her warning and go anyway. The trouble begins when Daphne is taken hostage and the gang finds themselves in the clutches of a trio of monsters.

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 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.

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?

While Scooby-Doo is surfing, he encounters a creature in a diving suit. An old sea salt tells the gang that it's the ghost of Captain Cutler who is responsible for the disappearance of many ships.

The gang gets excited about the opening of an amusement park. But when they see the rides on before it opens, they start to get suspicious.

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 investigates the appearance of a Ghost Pirate.

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?

After coming back from the movies Scooby-Doo and Shaggy come across a pick up truck and a suit of armor in the driver's seat. According to an ancient superstition the armor comes to life during the night of a full moon.

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 coming home from getting pizza, Shaggy finds a violin case full of money. While calling the gang Scooby-Doo goes to help an injured poodle and the money is taken. The gang suspects that the money was fake.

The gang rescues two circus people who tell them that they have left a circus because it's bad luck. The ring master tells them of a mysterious person called 'The Ghost Clown' who is responsible for the many strange accidents and incidents in the circus.

While on vacation in the Himalayas, the gang goes to a winter lodge where the owner tells them about the ghost of a Yeti that is out to get revenge on the man that caused his death and will turn anyone into ghosts.

A witch seeks revenge 200 years after being burned at the stake.

A tar monster haunts the lost city of Byzantius, Turkey.

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.

Scooby and Shaggy are having a fun time in Hawaii with their guide John Simms. Things take a serious turn when a voodoo witch doctor shows up and Simms mysteriously vanishes.

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.

Thanks to Shaggy's slightly flawed map reading skills, the gang finds themselves in an abandoned western town. The owner tells them that guests were scared off by a strange man who came to the town centuries ago and won't leave until he finds the last remains of his gold claim.

While in China, the gang pursues an ancient Chinese mask at an antique show. Soon strange things start happening. The gang is pursued by some horrible ghosts. They learn that the ghost of long dead emperor has returned to claim what is rightfully his. Things take a serious turn when Daphne is taken hostage.