Scooby-Doo and the Gang run for their mummies as ancient mysteries unravel. Archaelogist and super sleuth Velma is in Egypt for the unveiling ceremony of the restored Sphinx - a mysterious mythical creature with the head of a man and the body of a lion - only to discover a hidden tomb belonging to Cleopatra herself! But beward the ancient pharaoh's curse: "The Nile will fall, the desert shall rise and all who dare enter will be turned to stone! Of course that won't stop Scooby-Doo and the Mystery Inc. team from going inside and finding something even more mummifying...a cursed army of the undead! So sit down in the comfort of your own tomb and witness the most spectacular Scooby-Doo full-length movie adventure yet!