Planet" Spring(2011) - "frozen

The 2011 BBC series , narrated by Sir David Attenborough , dedicated its second episode to "Spring" . First broadcast on November 2, 2011, this episode captures the "greatest seasonal transformation on our planet" as the sun returns after a five-month absence. Episode Overview Duration: Approximately 58–60 minutes.

A mother polar bear is shown emerging from her den to hunt with her cubs on the sea ice.

This specific episode became the highest-rated natural history program in the UK since 2001, attracting nearly 10 million viewers. "Frozen Planet" Spring(2011)

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

The breaking up of frozen rivers, which sends billions of tons of ice downstream—a spectacle that fertilizes the Arctic Ocean. Featured Animal Stories The 2011 BBC series , narrated by Sir

One of the episode's most surprising highlights follows this caterpillar, which can take up to 14 years to reach adulthood by freezing solid every winter and thawing each spring.

The return of light and life to the Arctic and Antarctic, triggering massive thaws and the arrival of millions of migratory animals. A mother polar bear is shown emerging from

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