Scooby-Doo and the kids from Mystery Inc. race to solve the mystery behind a terrorizing Thanksgiving Day turkey parade balloon that came to life during the Coolsville holiday parade.
On a special after-hours tour of the Coolsville Aquarium, the gang tries to catch the Fishy Phantom, who has stolen the aquarium's rare rainbow flounder.
During a picnic in the park, Scooby-Doo and the gang go on a search for a buried treasure that is guarded by the ghost of a pirate, but what they actually find is something completely different.
While at a farm picking vegetables for Thanksgiving dinner, Daphne, Velma, and Fred are turned into pumpkin-headed monsters and Scooby and Shaggy must help them.
Scooby-Doo, Shaggy, and the gang investigate the mysterious happenings thought to be the work of a ghost when they visit Velma's Aunt Meg in Banning Junction for Halloween.