Witness the incredible journey of newborn polar bear cubs as they leave the safety of their den for the first time. Bravely led by their mother, the cubs must make the perilous 400-mile Arctic trek to the sea to feed. Narrated by Kate Winslet.
Genres: Documentary , Family
Keywords: animal-kingdom , animal-species , animals , animals-nature , environmental , helping-animals , knowledge , love-of-animals , nature , nature-documentary , people-and-nature , wildlife , latest-episodes , latest-web-series-online , tv-shows-online