Getting up close and personal with an iconic polar species using some innovative and sometimes comical filming equipment.
David Tennant narrates as we watch the bears up close in Svalbard, Norway.
The technology used to film this stunning series helped gather some incredible images.
See more of Gordon Buchanan's mobile bear hide 'Ice Cube'.
Take a look at some spectacular images from Gordon Buchanan's Polar Bear Family & Me.
The Operation Iceberg team follow the epic journey of an iceberg out at sea.
Knut was an incredible polar bear, raising awareness worldwide.
Polar pictures from the programme Vanishing Antarctic.
The Frozen Planet can be surprisingly full of life.
Frozen Planet heads to the ends of the earth to capture incredible wildlife.
The Frozen Planet showcases some of the world's harshest environments.