Steve Backshall explores the deep confinements of an ice glacier.
Wild Alaska Live explore the techniques that brown bears use to hunt for salmon.
Steve will attempt to land on a glacier by helicopter and then abseil down into and under the ice in a breathtaking live TV first. Liz will have an exciting encounter with some of the largest brown bears in the world. Matt will be sending a separate helicopter out to sea to look for the biggest animals coming to the feast - orca and humpback whales.