Watch MoviestoWatch. Back in prehistoric times, a thundering earthquake splits a mountain wide open, and out hops the minah bird, to alternately bedevil, mystify and rescue Inki as he hunts dinosaurs. Meanwhile, a pelt-bedecked caveman persists in his attempts to make a pot of stew, which keeps getting overturned each time Inki, dinosaur, sabre-tooth tiger and minah bird zip past.