Steve Backshall begins his global journey at the top of the world when he boards an Arctic icebreaker and goes in search of the Arctic's top predator, the polar bear. Show more
Discover 11,128,835 listings and 278,121 playable programmes from the BBC
Steve Backshall begins his global journey at the top of the world when he boards an Arctic icebreaker and goes in search of the Arctic's top predator, the polar bear. Show more