Scooby-Doo and the gang are trapped into a video game! So they follow up to Scooby Snacks to the last level and they met the cyber gang who just look like themselves. So, the cyber gang decided to help the gang to defeat the phantom virus.
Scooby-Doo and Shaggy must go into the underworld ruled by the Goblin King in order to stop a mortal named The Amazing Krudsky who wants power and is a threat to their pals, Fred, Velma and Daphne.