Deadly Instincts S01E03 - Primal Urges

In the animal world, mating is serious business. Reproduction is key to passing on genes and keeping the species alive, so it's no surprise that some animals go to astonishing lengths to find, keep and defend their mates. And the drama is unlike anything you've seen before. From elephant seals that engage in bloody battles for the right to mate, to insects that risk being decapitated if they put a single foot wrong, to lions that risk their lives to defend their cubs, these are the stories of dedication, intimacy and betrayal that make up the game of love. The stakes are high, and winning is everything.