Did you watch last night?  Another reason why Discovery Channel is one of my favorites - I was glued.

Discoverychannel.com

"From the makers of Planet Earth and Life, Frozen Planet is the ultimate portrait of our earth's polar regions, where the scale and beauty of the scenery and sheer power of the natural elements are unlike anywhere else on the planet.
A co-production of Discovery Channel and the BBC, and narrated by award-winning actor Alec Baldwin, Frozen Planet premieres Sundays".