Shaggy inherits a fortune from his Uncle Albert; a scientist and inventor who has suddenly disappeared. They stumble upon Uncle Albert's secret lab, where they discover that Uncle Albert is actually hiding from a sinister villain named Dr. Phineus Phibes.
When Dr. Phineus Phibes decides to kidnap three world famous inventors from a high society country club awards ceremony -- Scooby and Shaggy put on their fanciest duds and crash the event. After offending everyone they encounter and starting a massive food fight, Scoob and Shag hit the links with their Mystery-Golf Cart and cause even more mayhem, before eventually getting kidnapped in an ice cream truck. Just as Phibes' agents are about to make off with the inventors, Scoob and Shag charge to the rescue. And with the help of a Scooby Snack that makes Scoob magnetic, ...
From his spaceship lair, Dr. Phineus Phibes attempts to create an electrical storm that will forever envelop Earth. He also decides that the epicenter of the storm is going to be Scooby and Shaggy's mansion.
Scooby and Shaggy are flattered beyond belief when they are invited to attend the Mystery Solvers of the Millennium Awards. They soon find themselves surrounded by the greatest detectives in modern history and feel decidedly outclassed.
Scooby and Shaggy travel to New York City to a live taping of their very favorite television show "Chefs of Steel." Our heroes mix pleasure (eating and being part of a live taping) with business (battling evil contestant Chef Suki Sukihari) and his mind control hibachi. After using a technicality in the "Chefs of Steel" rules to vault themselves from audience members to Chefs -- Scooby and Shaggy defeat Chef Sukihari in a head to head competition and destroy his hibachi!
Scooby and Shaggy enter a race across Greenland, "The Polar Bear 3000," in order to stop Dr. Phibes' evil agents from transporting an Electromagnetic Device, that when detonated, will knock out worldwide telecommunications...
Scooby and Shaggy travel into the desert to discover that Dr. Phineus Phibes has built a giant, weaponized robot in his image. Phibes' plan is to merge with the robot and become one with it, making himself all powerful and immortal.