BBC Earth

Ben Fogle is reunited with seafarer Rick, who has moved on to pastures new since their original encounter.When Rick last appeared on the series, he was living off the coast of French Polynesia.

Ben travels to Cambodia to live with a fellow Brit who is raising his own castaway tribe on a tropical island.Ben experiences how fragile life is for this family on their tiny island.

Ben journeys to the Ozark National Forest in Arkansas, to live with craftsman Robert.(g)

Changing landscapes and animal patterns threaten the survival of those who dwell in the arctic.The Hailstones search for a once abundant food source quickly turns to desperation.

Adam and Lucy's cows must test negative for TB before they can be moved, strict measures to protect Gayle's pregnancy complicate lambing, and Bethany's skills save a lamb's life.

Michael ventures to the northernmost reaches of Europe, where he braves the freezing temperatures of the Baltic Sea and finds peace paddling a canoe on the lakes of Finland.

Gregg finds out how loaves of bread are bagged in mid-air, Cherry Healey finds out about perfect flour and historian Ruth Goodman shows the killers that used to lurk within bread.

Ancient Rome is at a pivotal event in its history: the Sack of Rome in 410 AD.It is the first time the city of Rome has been raided by foreign invaders in 800 years. How did it come to this?

Asia's jungles are beautiful and exceptionally diverse, but whilst they provide shelter, food and opportunity, they are also full of dangers and hidden threats.

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

Ben meets Jake Williams, a 70-year-old hermit living on the edge of a forest in the Cairngorms, who has made a home on the site of an ancient settlement and enjoys a diet of roadkill stir fry.

Continuing his Indian Adventure, Alexander Armstrong visits the pink city Jaipur, the Silk City Ramanagara & Bandipur National Park.

David Attenborough examines the huge eyes of the dark-dwelling owl and giant squid.

David Attenborough uncovers the cheats and impostors of the natural world.

In the planet's most densely populated continent, animals live at extremely close quarters with people, from tigers making a home in town to elephants stopping traffic for food.

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

Ben Fogle revisits former war correspondent Julius Strauss and his wife Kristin, who live in British Columbia.Their home is in the middle of a mountainous region that is home to grizzly bears.

Peter has a fast-growing tumour in his mouth requiring throat reconstruction. Janet's pancreatic cancer is wrapped around a vital vein.Taking the growth out is a complex procedure.

Meet more quirky Svalbard residents, including Wiggo the taxi driver who's a dead ringer for Santa and Ben the chef who's attempting a food revolution with worm cookies.

Rob and Rylan are on the final leg of their Indian adventure.They’re bound for Varanasi, the spiritual heart of India, where millions come to wash away their sins before they die.

Continuing his Indian Adventure, Alexander Armstrong visits the pink city Jaipur, the Silk City Ramanagara & Bandipur National Park.

How Earth's five oceans connect to form the largest ecosystem on the planet.

David Attenborough examines the huge eyes of the dark-dwelling owl and giant squid.

David Attenborough uncovers the cheats and impostors of the natural world.

In the planet's most densely populated continent, animals live at extremely close quarters with people, from tigers making a home in town to elephants stopping traffic for food.