Utah, 130 million years ago. A band of armoured dinosaurs battle to reach adulthood, pursued by a group of Utahraptors: some of the most formidable predators that have ever lived.

Based on an unprecedented discovery in Alberta, Canada, this episode tells the epic tale of one of the largest dinosaur herds that ever lived, the Pachyrhinosaurus, through the eyes of one of its youngest members, Albie.