Every year grizzly bear families in North America depend for their survival on a spectacular natural event: the return of hundreds of millions of salmon from the Pacific Ocean to the mountain streams where they were born. The salmon travel thousands of miles to spawn and then die. The great run not only provides food for bears, but for killer whales, wolves, bald eagles, and even the forest itself. The question is: will the salmon return in time to keep hungry bears alive?
A mother grizzly and her cubs emerge from their den high in snowy Alaskan mountains. Filming from the air the team capture a TV first, following the bears as they negotiate a near vertical slope on their journey to the coast where they await the return of the salmon. Meanwhile, the salmon are making their way to the to river mouths where they must swim upstream and against the current. The programme reveals how they tackle the torrents and leap over waterfalls, a feat equivalent to a human jumping over a house. Dozens of hungry bears eagerly await the salmon that make it up river. In another TV first, underwater cameras record the ingenuity and fancy footwork they use to collect dead salmon from the bottom of deep pools.

In 1994, a thirteen year old boy disappeared from San Antonio, Texas. Three and a half years later, he is found alive and well thousands of miles away in a village in southern Spain with a story of kidnapping and torture. His family is overjoyed to bring him home. But all is not quite as it seems.
The boy bears many of the same distinguishing marks he always had, but why does he now have a strange accent? Why does he look so different? Any why doesn't the family seem to notice these glaring inconsistencies? It's only when an investigator starts asking questions that this strange tale takes an even stranger turn.

Welcome to the thrilling second season of ‘Our Planet’. Get ready for an astounding journey through breathtaking landscapes and fascinating wildlife. This series, with its captivating cinematography and powerful storytelling, immerses us in Earth's natural beauty and reminds us of the importance of protecting it as we face crucial challenges. Through David Attenborough's masterful narration we will connect with the magnificence of our shared home with other species and be inspired to take action to preserve its splendor. Join us in celebrating the awe-inspiring planet we call home!
Be it buffalo, polar bears, humpback whales or albatross chicks, migration is a vital survival strategy for animals to feed, reproduce and find home.