Time-traveling dog genius Dr. Alfred Peachbody -- out for revenge at having his earlier plans of a Caninekind-ruled future foiled -- journeys to ancient pre-Egypt to commandeer the Sphinx and its time-twisting technology. A valiant band of heroes from the casts of both Gold Digger and Antarctic's flagship title, Ninja High School, try to stop him, but this dog won't roll over and play dead without a fight He uses the Sphinx's systems...