Planet" Spring(2011) | "frozen

Highlighting the race against time, white wolves are shown raising their cubs before the brutal cold returns.

A mother polar bear is shown emerging from her den to hunt with her cubs on the sea ice. "Frozen Planet" Spring(2011)

The episode also visits Antarctica to show these birds nursing massive chicks. Production Highlights Highlighting the race against time, white wolves are

The episode famously features male penguins arriving early to build nests by collecting—and often stealing—precious stones to attract mates. attracting nearly 10 million viewers.

The dramatic breakup of the Hay River in Canada's Northwest Territories was filmed in late April 2009 for the "unlocked rivers" sequence.

Used advanced Cineflex and Gyron cameras to capture long-range, steady footage of animals without disturbing them.

This specific episode became the highest-rated natural history program in the UK since 2001, attracting nearly 10 million viewers.