BBC Earth

David Attenborough looks at the formidable armour of hedgehogs and rhinos.

In this episode, Ben ventures back to the barren landscape of the Wild West to revisit one of his first ever wild men John Wells, a former fashion photographer who gave up the New York City high life for the scorching Texan desert.

The Hailstones are faced with a life-or-death decision in high tide. Ricko DeWilde enlists the aid of his children to maintain the family homestead.

Michael embarks on a railway journey through the modern south Indian states of Karnataka and Tamil Nadu.

Even the mightiest oak must start life as a tiny acorn.We explore the secret lives of young trees, discovering how they magically transform from minute seeds into mature adults.But with fewer than one in a thousand seeds reaching adulthood, a tree's early years are the most treacherous of its life.

Paddy and Chris head to Sweden to get back to nature and embody 'friluftsliv'.It can lower stress and improve mental health, but can they embrace nature to get the reboot needed?

Gregg Wallace visits the Denby factory in Derbyshire, which has been making pottery since 1809.

Michael goes on an epic rail journey from Lucknow in Uttar Pradesh to Kolkata, West Bengal.

Alaskans soldier through the heart of dark winter in pursuit of the resources they desperately need for survival.

Ben Fogle returns to meet his previous contributors who set up home in remote locations.In this episode, he returns to the Exmoor National Park where Simon and Debbie Dawson live.

Weather controls the distribution of freshwater on Earth, which in turn shapes the lives of animals in diverse habitats around the globe.

Whilst humans are prone to fighting the inevitability of ageing, trees have perfected the art of aging gracefully.In this episode, we will discover how mature trees do incredible things to thrive in an often turbulent world, and may even work together to do so.

Paddy and Chris head to Sweden to get back to nature and embody 'friluftsliv'.It can lower stress and improve mental health, but can they embrace nature to get the reboot needed?

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

Ben Fogle is in Alaska battling mosquitoes and eating bear.

Ben retraces his epic journey back to India to revisit Steve Lall, an ex-fighter pilot who turned his back on Indian High Society for a simple life in the foothills of the Himalayas.

Ben journeys from Stroma, inhabited 1,000 years ago, to Swona, its first inhabitants being the Vikings and then to the towering prehistoric cliffs of St Kilda, the most remote of Scotland's islands.

Simon Reeve embarks on the fourth and final leg of his journey around the Mediterranean, travelling from Morocco, across the sea to Spain, and on to Corsica and the French Riviera.

Ben returns to the remote Hungarian countryside to revisit Julia Pryke and Gareth Shone who just 16 months ago gave up the 9 - 5 in the UK to live in a ramshackle farmhouse in a country they had never visited.

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

Ben Fogle is in Alaska battling mosquitoes and eating bear.

Weather controls the distribution of freshwater on Earth, which in turn shapes the lives of animals in diverse habitats around the globe.

Change can be one of life's biggest stresses. What can we learn from animals' abilities to adapt to change?. Mindfulness expert Andy Puddicombe shows what we can learn from the ways in which animals adapt to changes in the world around them.

Ben retraces his epic journey back to India to revisit Steve Lall, an ex-fighter pilot who turned his back on Indian High Society for a simple life in the foothills of the Himalayas.

Ben journeys from Stroma, inhabited 1,000 years ago, to Swona, its first inhabitants being the Vikings and then to the towering prehistoric cliffs of St Kilda, the most remote of Scotland's islands.

The icy adventures continue for the hardy characters living in rural Alaska.