11/12. Steve Backshall's journey from pole to pole continues, as the expedition reaches the remote and wild island of South Georgia. Steve gets a chance to swim with penguins. Also in HD. [S,AD]
9/12. Steve Backshall's journey from pole to pole continues, as the expedition reaches Brazil. Steve is looking for the number one jungle predator - the jaguar. Also in HD. [S,AD]
8/12. Steve Backshall's journey from pole to pole continues, as the expedition reaches the jungles of Guyana. Steve's first find is a feisty two-metre-long snake. [S,AD]
7/12. Steve Backshall's journey from pole to pole continues, as the expedition reaches the Bahamas. Using the latest technology, Steve reveals the science of a shark bite. [S,AD]
6/12. Steve Backshall's journey from pole to pole continues as the expedition reaches Hawaii. He meets a shark with a fearsome reputation and swims alongside humpback whales. [S,AD]
5/12. Steve Backshall's journey from the Arctic Circle to Antarctica continues. In the crystal clear waters of Guadalupe Island, he swims with the feared great white shark. [S,AD]
4/12. Steve Backshall embarks on a global journey from the Arctic Circle to Antarctica. Steve heads to Texas, investigating another deadly force of nature - tornadoes. [S]
3/12. Steve Backshall embarks on a global journey from the Arctic Circle to Antarctica. Steve tracks grey wolves in Yellowstone National Park and braves North Carolina's icy rivers. [S]
2/12. Steve Backshall embarks on a global journey from the Arctic Circle to Antarctica. In Alaska, he abseils into a glacier and has a close encounter with a humpback whale. [S,AD]
1/12. Steve Backshall embarks on a global journey from the Arctic Circle to Antarctica. Steve boards an Arctic icebreaker in search of the Arctic's top predator, the polar bear. [S]
11/12. Steve Backshall's journey from pole to pole continues, as the expedition reaches the remote and wild island of South Georgia. Steve gets a chance to swim with penguins. [S]
9/12. South America: Steve Backshall's journey from pole to pole continues, as the expedition reaches Brazil. Steve is looking for the number one jungle predator - the jaguar. Also in HD. [AD,S]