På BBC Earth torsdag 5. november

Det blir mindre og mindre dagslys, og alaskerne må håndtere trusler som lurer i skyggene. Denne sesongen står de tøffe innbyggerne overfor nye farer som kan true deres eksistens.

Dokumentar Reprise

As winter’s grip in the Arctic strengthens, Alaskans are forced to react if they are to stay ahead of the freeze and avoid an icy demise. Ricko DeWilde teaches his son a vital aspect of the survival of the Athabaskan people. Jessie Holmes embarks on a critical hunt in the Brushkana wilderness. The Hailstones break a new trail to improve their safety in Kiwalik. And Sue Aikens must protect a key piece of equipment from the coming wrath of winter.

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Josh Morgerman continues to document Hurricane Michael, as its devastating course progresses over Panama City. As 155mph winds wreak havoc on the city, it's a fight for survival.

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Ben ventures deep into the Scottish Highlands to meet Iona and her young family on the near-10,000-acre wilderness estate that she grew up on.

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An inconspicuous hill on the Spanish Island of La Palma bursts open, releasing an avalanche of lava. In its path are the homes of seven thousand residents and the emergency services rush to evacuate.

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Sir David Attenborough ser nærmere på de uvanlige måtene komodovaraner og bladlus formerer seg på.

Dokumentar Reprise

Dokumentar Reprise

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The struggle for survival in Alaska continues for Sue, Jessie, Glenn and the Hailstones.

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Ben meets the Powell family who are living an off-grid existence in a hidden valley in the Black Mountains in Wales. While there he helps plant the biggest new woodland in Wales for a generation.

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Richard discovers the River Derwent's historical importance, as he journeys from the Derbyshire Peaks to Derby, the home of Rolls-Royce.

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Mount Nyiragongo in the Democratic Republic of Congo erupts. It engulfs the nearby city of Goma with lava, taking thirty-three lives and destroying almost four-thousand homes. Chris arrives in Goma to find everyone else evacuating. After surveying the destruction, Chris joins volcanologists on an expedition to the source of the eruption.

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As the deep freeze sets in, Alaskans brave cruel temperatures to complete vital tasks.

Dokumentar Reprise

Ben joins adventurer Randi, who was the first Norwegian woman to climb Everest.

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En liten kameleon legger ut på sitt livs reise i skogen på Madagaskar, og en vånd i Skottland svømmer over en innsjø og klatrer opp et fjell for å finne et nytt territorium og en make.

Dokumentar Reprise

Osteoporosis is a disease in which bones become brittle and easily broken. It is more common in women, and usually worsens with age. Michael Mosley sees how to keep bodies, bones and muscles healthy.

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As the deep freeze sets in, Alaskans brave cruel temperatures to complete vital tasks.

Dokumentar Reprise

Ben joins adventurer Randi, who was the first Norwegian woman to climb Everest.

Dokumentar

En liten kameleon legger ut på sitt livs reise i skogen på Madagaskar, og en vånd i Skottland svømmer over en innsjø og klatrer opp et fjell for å finne et nytt territorium og en make.

Dokumentar Reprise

Osteoporosis is a disease in which bones become brittle and easily broken. It is more common in women, and usually worsens with age. Michael Mosley sees how to keep bodies, bones and muscles healthy.

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Dokumentar

David Attenborough viser oss dyr som er avhengige av andre arter, fra gjøken som legger egg i redet til andre fugler, til dødningehodesvermeren som stjeler honning.

Dokumentar Reprise