There's a T. rex gobbling sausages, a Stegosaurus spilling beans! A Diplodocus in the frozen peas fills the aisles with greens! For one little boy, a trip to the supermarket is turned upside down. A band of dinosaurs wreak havoc in the aisles, but the grown-ups can't see them! Can he convince the dinosaurs to behave? Who will mop up the mess?