All over the world, millions of species clash in nature's savage battle of survival. On the African plains, a fight is never far away, and big cats clash in the struggle for food. In the Arctic Circle, polar bears must attend the world's toughest fight school, scavenging to avoid starvation. With this many teeth and claws, there's never a dull moment on Animal Fight Night.

Grizzly bears, big cats, wild dogs and reptiles take center stage as we reveal the crucial moments that make the difference between death and survival for some of the world's deadliest predators.