 This movie puts Henk Ketcham s comic figure  Dennis  into real life: While digging in his front garden, Dennis finds a big bone. To prove it s from a dinosaur, he persudades his father to invite an old buddy of him, Bowen Skyler III, who s a famous  dinosaur hunter . Being desperate for publicity, Skyler informs press and television... and starts a paleontologic dig in their front garden!