Deadly Pole To Pole

Antartica (1x25)

Air date: Jun 10, 2014

Steve Backshall's global journey culminates in a visit to Antarctica, the land of extremes. The presenter tackles freezing conditions to explore the underwater world of an iceberg, has an encounter with a group of humpback whales, and fulfils a lifelong ambition by diving with one of the greatest predators to inhabit the waters - the leopard seal.