The trials and tribulations of a sea otter pup growing up on the coast of California.

The Californian Sea Otter is one of the rarest, and cutest, animals in the world. So when a sea otter mum decides to have her pup amongst the yachts of a millionaires' marina it is a unique event. The mum must teach her baby how to dodge the boats and find the food in this busy harbour. However the arrival of a tough male sea otter signals disaster for the family. When mum is attacked, the poor pup is left on her own and must fight for survival.

Wildlife documentary following the search for grizzly bears in the beautiful Cascade Mountains of Canada. Wildlife filmmaker Jeff Turner has spent a lifetime tracking grizzly bears around the world, and now he has come home to spend a year in the mountains of his youth to discover if the grizzly is still surviving in this beautiful area of British Columbia.

Tracking the wildlife through the four seasons of one year, he encounters many animals from his childhood, including black bears, ospreys, coyotes and mule deer. But with all the changes to his old stomping ground, do the wild grizzly still survive?

Natural World visits the Arizona desert, where a new honey ant queen wages an intense battle for survival as she attempts to build and defend her empire. Eliminating rivals with ruthless efficiency, sacrificing thousands in her quest for domination, murder, cannibalism, genocide - she will do anything to keep her crown.

Empire of the Ants is the epic story of one honey ant queen's dramatic rise to power - her brutal fall from grace.