Deep beneath the water’s surface, the world’s largest predator—the Mosasaurus—lies in wait to ambush unsuspecting prey.
Trudging through a scorching desert, two young Tarchia find relief at an oasis and encounter an adult twice their size, ready to lay claim.
A journey through an underground cave in North America turns perilous when a young Triceratops is separated from its mother.
Within the snow-covered forest, a tense standoff develops between ancient rivals, Pachyrhinosaurus and Nanuqsaurus.
Above the deserts of North Africa, aerial combat ensues as male Barbaridactylus pterosaurs fight for the attention of females below.
A pregnant Tuarangisaurus is in distress—and her young calf can sense it—as she travels waters that are home to the ocean’s deadliest predators.