Sick in bed right before the big Mystery Solvers Club State Finals, Scooby dreams about going to the competition and teaming up with fellow mystery-solver sidekicks Speed Buggy, Jabberjaw, Captain Caveman and J. Wellington “Mudsy” Muddlemore to rescue their friends from the clutches of the demonic Lord Infernicus.

The Hex Girls, Velma’s favorite band, come to Crystal Cove to give a concert. However, things go awry when an evil phantom attacks with the intention of permanently taking The Hex Girls out of the music business. Meanwhile, Scooby-Doo and Shaggy are having a fight because of the latter’s prom date with Velma in the […]

A slime mutant that lives underneath Crystal Cove is cocooning anyone who gets in its way. Despite being warned not to continue investigating by their parents and authority figures, the gang attempts to solve the mystery. Meanwhile, Velma is trying to get Shaggy to be more intimate in their secret relationship. Daphne also keeps hinting […]

Professor Pericles creates a herd of mutant cattle (which he had bred from cattle, piranhas, and bees) to destroy Crystal Cove in an attempt to locate the Planispheric Disk. As the herd begins devouring the town, the gang, Mayor Nettles, and Sheriff Stone use Ex-Mayor Jones’ helicopter to trap the herd’s queen. The cattle follow […]

As the gang follows the original Mystery, Inc. through the caverns, they all approach the first gate to the cursed treasure. Professor Pericles knows the gang has been following them, as he calls them out to bring the Keys in order to open the gates. The gang realizes that the Keys and their scenarios seen […]

Following the disbandment of Mystery Incorporated, Mayor Fred Jones Sr.’s successor Mayor Janet Nettles is approached by a mysterious figure (who later turns out to be Velma). She shows the mayor files on her fellow mystery-solvers in order to seek their help in bringing down Crybaby Clown, who is terrorizing Crystal Cove. Mayor Nettles sets […]

Velma is feeling lonely without the gang or any friends. Then she receives a message about “Fish Freaks” in the area around an abandoned oil rig owned by Destroido Corp. Velma decides to investigate by herself. She then discovers that a mermaid called Amy was the one who sent her the message. Amy tells Velma […]

A ghostly Puritan judge named Hebediah Grim begins terrorizing Crystal Cove and judging its female citizens, forcing Mystery Incorporated to investigate. At first they turn to Gary and Ethan, but both claim to have fought the monster themselves. Ethan suggests Doogle McGuinness, but the monster attacks as the gang is investigating him. Grim then turns […]

The gang is attacked by a hi-tech assassin called the Obliteratrix, who tells them that they all have to die. This leads the gang to investigate the mystery of the Cursed Treasure further with the assistance of Professor H.P. Hatecraft (who suspects his rival Regina Wentworth to be Obliteratrix). Along the way, they discover the […]

A teenager vandalising a neighborhood is attacked by a creature calling itself “Krampus”, leaving his hair snow-white with fear. Three more kids are attacked as the gang meets Mayor Nettles and Sheriff Stone at the roller rink and arcade. Realizing that Krampus attacks “bad kids” such as the aforementioned teenager, the gang turns to the […]

When Fred invites the gang on his and Daphne’s second date, it pushes Daphne into the arms of Odnarb, the leader of an Orc Biker group called the Wild Brood who have come into town. When a break in at the armory happens and a dangerous weapon is stolen, the Wild Brood are the top […]

The children of Crystal Cove are being turned into monsters by a creature named Que Horrifico scaring all of the adults in town. Velma tries to get Shaggy to stop saying the word “like” so frequently as well as to start wearing new pants. Meanwhile, Fred is getting tutored by an intelligent child who claims […]

There is a new girl at Crystal Cove High: Alice May, who Fred falls for, much to Daphne’s irritation. Alice May is shown to be a ghost with a reputation for taking guys to the prom and making them disappear forever. Shaggy is faced with the dilemma of either going to the prom with Velma […]

A family vacationing in the mountains near Crystal Cove is attacked by a polite Englishman in a mask calling himself the Dandy Highwayman, who blows up the family’s station wagon and leaves with the mother. Later, the gang stumbles upon the wreckage of several cars on the mountain roads and decides to investigate. As they […]

Five years ago, a gigantic dragon robot attacks the Quest Industries, then promptly vanishes, leaving security guard Radley Crowne’s dog Reggie unconscious. Dr. Benton Quest works to revive the dog. In the present day, the same robot attacks the gang at City Hall as they begin their investigation into the purpose of the Planispheric Disk. […]

Two giant monsters (named Humungonauts by Sheriff Stone) are attacking Crystal Cove. Suspiciously, each Humungonaut attacks properties owned by insurers Max and Jax Minner. Meanwhile, Scooby stumbles across Velma and Shaggy kissing, and discovers their relationship. Shaggy gets into a dilemma when Velma and Scooby fight over who he likes better, and he is forced […]

When exchange student Mai Le comes to Crystal Cove, she draws the affection of Shaggy. A dinner party hosted by the Blake family is interrupted by the Red Wizard warning to stay away from the Dragon’s Heart which he has sworn to protect at all cost. Later, Mai Le and the gang come under attack […]

Fred tries to get Daphne back while Crybaby Clown returns to rob Crystal Cove where he kidnaps a therapist, a hairdresser, a plastic surgeon, a publicist, and Daphne as well. The gang chase Crybaby Clown to an airport where he is about to take off with the five captives, but is stopped by Mystery Incorporated […]

Crystal Cove is terrorized by a mysterious violent dog. Sheriff Stone immediately blames Scooby-Doo and arrests him. Meanwhile, the gang is introduced to an old classmate of Velma’s, a nerd named Jason Wyatt who still has a crush on her. The gang visits Scooby at Crystal Cove’s Animal Asylum “for the Criminally Insane” and encounters […]

A vampire is loose in Crystal Cove stealing what appear to be random items. Things have become strained within Mystery Incorporated, and this time, the gang is truly torn in half. Velma refuses to speak to Shaggy, and Fred and Daphne begin to grow apart. The girls decide to investigate separately from the boys. Daphne […]