Fred is called upon to help solve the mystery of Professor Huh?, a mysterious figure who has escaped from a high-security prison. However, it seems Fred’s childhood friend Rose, who now has her own mystery solving-gang, is competing against Fred to solve the mystery first. As the mystery progresses, the gang makes a shocking discovery […]

The gang and Professor Huh? escape on a rocket, leading Rose to frame the gang, and report to the police that they were the ones that let Professor Huh? out of prison. The rocket quickly crashes, forcing the gang to evacuate. Professor Huh? appears to have not escaped the rocket, leaving his fate unknown. After […]

The gang visits the Brainsplosion video game company, after they offer Velma a high-paying position working on a new video game Protein Titans 2. However, she is reluctant to accept the position, because it would mean no longer traveling with the gang. Meanwhile, the ghost chef, a villain from the Protein Titans 2 comes to […]

The gang goes with Velma to a Renaissance fair which she often went to as a kid. Disaster quickly strikes when a ghostly jester appears and tries to overthrow the king. The gang is on the case once again, but this time, they must solve the mystery with only items which existed in the time […]

The gang visits a bayou in New Orleans, where a swamp monster is frightening away anyone who comes into his swamp. Meanwhile, Daphne pretends to be a vampire.

The gang visits the town of Rockwellville in search of a Christmas mystery, but all they find is a pterodactyl who seems to have nothing to do with Christmas. Meanwhile, Daphne, who is tired of having her December 25th birthday overshadowed year after year, tries to convince the gang to celebrate her birthday instead of […]

The gang goes undercover as a band to lure out the Prima Donna, a ghostly musician who doesn’t want anyone performing at her theatre.

The gang visits Britain so Velma can give a speech, but they are quickly sidetracked by a man named Scrooge, who claims to be plagued by three phantoms. While trying to solve the mystery, Velma quickly discovers that the ghosts aren’t there for Scrooge, but rather for her. Giving the Dickens classic A Christmas Carol […]

The gang goes on a tour around the infamous Fletcher Studios in Hollywood, with Daphne acting as their tour guide. However, a mystery soon arises when the ghost of the long-dead silent film star Archie Barnes comes back from the dead to prevent his unreleased film from being seen. The gang tries to solve the […]

After Fred goes on a crazed trapping spree which ends in police intervention, the gang decides he needs a long rest, so they take him up to Daphne’s beach cabin. Unfortunately, at that same time, a mythological shark monster named Dorsal Foot comes up on land and begins terrorizing the beach. The gang attempts to […]

The gang goes to the Sorcerer Snacks factory, where a real sorcerer is scaring everyone away. Meanwhile, Fred finds he can get Shaggy and Scooby to do anything he wants with a box of Sorcerer Snacks (a precursor to Scooby Snacks).

Daphne becomes a viral sensation when the gang visits Japan. While touring with Velma’s Japanese friend, they discover that the city is being attacked by a gigantic crab monster named Kaniaku. The gang has to solve the mystery, while dealing with Velma’s jealousy towards Daphne’s sudden popularity.