Shaggy's uncle disappears and leaves Shaggy with a billion dollars, so Shaggy...
Shaggy & Scooby-Doo Get a Clue!
Season 1 Episode 12: Big Trouble
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.