Watch Online Free on Watchseries. In a time when dinosaurs rule the Earth, the smallest dinosaur of the herd, a playful Pachyrhinosaurus named Patchi, embarks on the biggest adventure of his life. As he tries to find his place in a spectacular world filled with fun-loving friends and a few dangerous foes, Patchi will discover the courage he needs to become the leader of the herd and a hero for the ages.