Sailing around the world to reveal what happens when nature's fiercest shore dwellers turn on their own kind, as we expose the coastline's toughest and meanest animal fights. Home video footage and stunning HD, combined with super slow-mo action replays, break down each battle in striking detail -- from the moment a polar bear aims its massive jaw at a rival's neck to incredible images of shark embryos fighting for their lives inside their mother's womb.

In America's wild West, predator and prey go head to head in epic battles of survival -- but what happens when animals turn on their own kind to win food, territory and rights to the bloodline? Footage of America's most iconic animals fighting it out is captured in stunning HD and slowed down to reveal every gut-wrenching and flinch-inducing moment.

Revealing what happens when Africa's wildest animals turn on their own kind and brings you closer than ever to the toughest and meanest fights on the savanna. Using stunning HD and home video, the battles are replayed in slow-mo, freeze-frames and close-up zooms, bringing the heart-pounding action into striking detail -- whether it's the moment a rhino takes a piercing jab at its rival or when a hippo uses one of the widest gapes in nature to deliver a fierce blow to an opponent.