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.
When Scooby and Shaggy learn that Dr. Phibes is planning to mow down the rain forest to harvest a plant that he believes will make him immortal, the two travel across the world to save the planet.