Season 4
5 episodes
1Jaws
Examine the spectacular armory that the most infamous of predators wear in their mouths. From the primitive pre-jaw of the lamprey, to the bone-crushingly powerful jaws of the hyena and jaguar – a survey of killer mouths.
3Killer Canines
Some of them live among us... but deep in their genes lies a killing communion with their wild/ancient cousins. The canines are among the Earth's ultimate survivors, honing their killing perfection over millions of years.