Josh takes viewers on a trip to Africa to find out why the gentle giants known as Elephants are attacking and killing humans in record numbers and what made them go from gentle to killers.

Abandoned as a baby, removed from normal gorilla family life as a youngster - so profound were the misfortunes that Titus suffered in his early years that no gorilla scientist could have predicted his eventual rise to power. His moving life story is pieced together here for the first time, based on archive film and the memories of field workers who have studied the mountain gorillas since Dian Fossey's pioneering work more than 40 years ago. At 33 years of age, Titus is not just one of the most powerful silverbacks in Rwanda's Virunga Mountains, he is possibly the most remarkable gorilla ever known. His life story is as full of drama, intrigue and tragedy as any human soap opera. Against a stunning backdrop of misty volcanic peaks cloaked in bamboo and giant lobelia, Titus has successfully steered his family group through thick and thin. But now he is under pressure again. With his ally-turned-rival, Kuryama, jockeying for position, are we about to witness the final chapter in Titus's extraordinary reign?

India's arid deserts, lush jungles, and rugged mountains are home to scores of dangerous species. Meet the mammals, reptiles, and arachnids with the most effective predatory skills.

Documentary that looks at the world of the African driver ant, a sinister army of 20 million sisters. It thrives by ravaging the forest, killing every living thing it can pin down and slice up - a super-organism that dominates a parallel and often violent world where miniature monsters roam.

Deserts and grasslands cover approximately half of our planets total land area. These varied ecosystems are the perfect hunting grounds for some of the most dangerous animals on earth. Desert sands conceal unique and venomous creatures, while grassy plains provide an abundant food supply for large carnivores. Twelve elite animals stand above the pack, armed with blinding speed, ingenious camouflage, venomous fangs and bone-crushing jaws. Whether hunting or defending, their hardcore weaponry should be avoided at all costs! Take a journey into the dangerous domains where they reveal their full, lethal potential -- and see what happens if we get in their way. They're elusive, powerful and they're dangerous. They are the Desert and Grasslands Deadly Dozen.

Stretching from the North Pole to the tropics, Asia is the largest continent on earth. It is the highest and most populated, and life here is harsh. To survive, the animals that inhabit this continent have evolved into the toughest of the tough.