Mystery Incorporated take matters into their own hands, and finds the missing pieces of the Planispheric Disk, discovering what led to the break up of their predecessors.

The gang is attacked by a hi-tech assassin Obliteratrix, which leads them to investigate the mystery of the Cursed Treasure with the assistance of H.P. Hatecraft.

The ghost of Crystal Cove's first sheriff tries to get Sheriff Stone to quit his job.

Mayor Jones is being haunted in his own home, causing Fred to place his mystery-solving future on the line if he cannot get to the bottom of this haunting.

After an explorer named Rick Spartan is cursed by a headless monster, the gang must help break it.

A Manticore terrorizes an amusement park in Crystal Cove.

After a sardine boat goes missing near a haunted oil platform, Velma follows up an anonymous tip on her own and encounters a singing mermaid.

Shaggy wins a contest to have dinner with the actor Vincent Van Ghoul, but while Shaggy and Scooby visit, four monsters invade the mansion.

Exchange student Mai Le comes to Crystal Cove, with a strange ring in her possession. Soon enough, the ring brings the attention of two rival Chinese wizards.

When the gang investigates the Darrow's old mansion, someone keeps trying to trap them, referring to them by the names of the old Mystery Incorporated members.

When Crystal Cove is taken over by Aphrodite's love spell, only Scooby-Doo and the recently escaped Professor Pericles can save the gang from the spell and solve the mystery. Pericles says he can make an antidote, but does he have ulterior motives?

The "Wild Brood" (a gang of bikers that look like Orcs) comes to Crystal Cove. They seem to be peaceful, but when the Crystal Cove Armory is broken into, the bikers are suspected.

When the Mystery Solvers Club State Finals is interrupted by a fiery skeleton-headed specter, Scooby must lead the mascots to save the day.

Employees of Destroido are being attacked by the Cicada Creature, which can command swarms of the insects.

Despite splitting up, Mystery Incorporated all end up visiting Darrow University, where the monster Char Gar Gothakon has come to life.

A vampire is stealing apparently random items, and Daphne suspects her mother is the culprit.

A robotic dog terrorizes Crystal Cove and frames Scooby! The gang has to capture the hound and clear Scooby's name.

Two giant monsters named Humungonauts, attack Crystal Cove, causing the gang to spring into action--outfitted with team uniforms made by Fred, much to the disgust of the others.

The gang tries to stop an evil Gnome who doesn't take kindly to people dressed as pirates at Crystal Cove's renaissance fair.

The Hex Girls' concert may be canceled after they are threatened by a phantom. Meanwhile, Scooby replaces Shaggy with Harry the puppet as his best friend.

A ghost girl is kidnapping boys at school dances, and Fred is her next victim.

Kids are being spookafied by the flute-playing Que Horrifico.

A Man-Crab attacks Crystal Cove's beach during a volleyball tournament taking the female players.

The gang have to connect the dots between a ghost truck haunting a highway and the town's recently missing crystal doorknobs. During the investigation, the gang also have to contend with helping Mayor Jones get reelected, and Daphne tries to keep her date with Rung Ladderton a secret from Fred, who couldn't be happier for her when he does find out.

After a encounter with a fleeing family, the Mystery Machine's engine is stolen. The Scooby gang then holes up at a spooky hotel in the town of Gatorsburg and has encounters with several creepy alligator creatures.

Workers accidentally break into a cave system under Crystal Cove and after that, a strange sewer beast starts putting people into coccoon's with what seems to be frozen yogurt.