– [Narrator] 1 1/2 million years ago, these were the world’s top land predators. This was the age of the sabertooths. But things were changing. New forces threatened the old order, with skills the planet
had never seen before. The big cats. Why them? What’s their story? In this episode, we go back to when the big cats were
just beginning their ascent. to discover how the
cheetah became so fast, why the elusive snow leopard
takes such incredible risks, and how the jaguar traveled
to the ends of the earth.