– [Narrator] Africa. For millions of years,
the sabertooths and hyenas had been the world’s top land predators. But new forces threaten the old order with skills the planet
had never seen before. The big cats. Why them? Which unique adaptations gave the big cats the edge in this battle for survival? We go back in time to when lions were just beginning their ascent
to discover how they conquered the world and how the tiger became the real king of the jungle.