The gang bump into aliens who try and take over our planet.
Scooby and the gang visit a college campus and upon an attempt to capture the Phantom Virus are transported into a game based on their past cases.
After Scooby-Doo and the rest of the gang go to Australia for a music contest at Vampire Rock, they learn from the promoters that a legendary monster called the Yowie Yahoo and his vampire minions is kidnapping the groups entered. When they go undercover as "Those Meddling Kids" to find out what's going on, Scooby and the gang must save the Hex Girls from the Yowie Yahoo minions and solve this mystery.moreless
Excited at the opportunity of going to Mexico for the country's Day of the Dead festivities, Scooby and the gang get more than they bargained for when they learn from their hosts how "El Chupacabras" is scaring away the citizens of the surrounding villages. It is at this point that they decide to investigate the mysterious goings on in order for the village's celebration to go on as planned.moreless
Scooby-Doo, Shaggy, Velma, Daphne, and Fred reunite to solve an all-new mystery when they visit Zombie Island to investigate the Ghost of Moonscar. But this time, the monsters are real!
When Scooby and the gang meet a famous horror writer by the name of Ben Ravencroft, he invites them to his hometown to view the Fall color. However, when they arrive, they find that a witch's ghost is haunting Oakhaven and that it is an ancestor of Ben's. Along the way, while investigating the mystery, Scooby and the gang meet the local eco-goth rock band, the Hex Girls, and with their help, they eventually find that there's more to this mystery than it meets the eye. When they learn that Ben has teamed up with his ancestor to seek revenge on the citizens of the town, they must work with the townspeople to stop Ben and the witch.moreless
When Shaggy is adviced by the doctor to take a break from mystery solving, the gang decides to help him, by taking him to a place where he can relax. Unfortunately, they end up getting mixed in a mystery involving ghosts and dinosaurs.
When Velma takes the gang to attend a vampire festival, they find out that areal vampireis disrupting the festivities. Things go from bad to worse when the vampire chooses Daphne for his bride, and Shaggy is bitten.It's up to Scooby and the gang to find out if the vampire is real and put an end to the mystery.moreless
Mystery, Inc.'s own Fred Jones has always dreamed of performing death-defying acrobatics under the big top. So when the Brancusi Circus comes to town, he leaps at the chance to check it out. The circus ringleader is desperate for the gang's help. A werewolf has been terrorizing the performers and stealing jewelry from the audience members. Now it's up to Scooby and the gang to solve this mystical mystery!moreless