BBC Earth

Ben Fogle reunites with a couple living off the west coast of Australia, and discovers the logistical nightmares they have overcome to make a home for themselves on a desert island, as well as enduring the extremes of the Australian climate. While they have recently had cause to celebrate, their lives are becoming increasingly difficult, which may result in them moving on.

Ben journeys off the coast of New Zealand's North Island to Great Barrier Island, where he meets a man who gave up his promising scientific career to embrace life in an off-grid, secluded world.

Ben heads to a remote corner of Spain's Andalucían mountains to meet British couple Alan and Lorna, who have left their respective careers in Brighton to become alpaca farmers.

With the waterways open, Alaskans navigate the rivers for reconnaissance and resources.Andy Bassich and Denise Becker must endure a grueling process of launching their boats for a critical hunt.

Ally is hoping to make his mark at Dingwall Mart, Adam and Lucy are under huge pressure to make the big move earlier than expected, and winter storms cost the Glenn family dearly.

Michael Portillo embarks on an action-packed adventure from the Italian Riviera to the Austrian Alps with his Bradshaw's 1913 Guidebook in hand.

From the frozen poles to the searing deserts, this episode shows how animals have come up with strategies to survive the uneven amounts of sunlight that fall on our planet.

Paddy McGuinness and Cherry Healey visit a factory in Market Drayton that produces 100,000 festive gingerbread biscuits a week.

Explore the impact of Pompeii's deeply divided society, the mechanisms used to maintain social order, and what society was like in the years leading up to Pompeii's destruction by Vesuvius.

In the remote reaches of Asia's frozen north, creatures must overcome unique challenges, finding exceptional ways to thrive in a hostile world that pushes life to its very limits.

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

Ben Fogle meets Denni Karlsson, a former film-maker who has made a home in the highlands of eastern Iceland, and set up a wilderness centre exploring 200 years of local history.

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

David Attenborough discovered that female Komodo dragons can reproduce without males.

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

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.

For Alaskans, the return of winter brings new and dangerous challenges.

Ben Fogle reunites with a former medical student living in the woodlands of Arkansas.Ben discovers the impact a series of injuries have had on his physically demanding wild lifestyle.

Our 2300 miles of motorway are the backbone of the country and without them, we'd probably all grind to a halt.Hannah takes a drive to the National Highways control centre for the UK's busiest motorway to meet the team that keep these super-roads running 24/7.

In the final episode of the series, the celebrities try to freeze their fear and complete the ultimate challenge of jumping from a 500ft high bridge.

The boys board a packed train to Rajasthan during Diwali, the vibrant festival of lights.Known as the 'land of kings', Rajasthan enchants the pair, with its grand forts and opulent palaces.

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

David Attenborough discovered that female Komodo dragons can reproduce without males.

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

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.