When Sally's archenemy Dexter Maelstrom invites her to a demonstration of his new invention, she doesn't expect it to actually work. Dexter's De-Evolving Ray can turn chickens into dinosaurs! But when Dexter's chickensaurs breaks free and go on the hunt, Sally - along with her friend Charli and her baby brother Joe - must avoid becoming chicken feed. Is Dexter behind this dastardly plan - or is somebody else the bad egg?
