BBC Earth

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

A look at how without volcanoes, there would be no life on Earth.Although destructive, magma from the planet's molten core builds land, and mineral-rich ash from eruptions fertilises the surface.

Ben heads to the azure seas and pine-covered mountains of Canada, where artistic couple Catherine and Wayne live on a floating island they built themselves - a home they share with seals, eagles, bears and chihuahuas!

Adventurer Ben Fogle journeys to North Africa, to live with American widow Maryanne Stroud Gabbani (67) - on the farm she's built on the edge of the Sahara.

With spring in full effect across the Arctic, residents of Alaska must seize seasonal opportunities.Sue Aikens sets out to hunt small game but must be wary of her recent surgery.

Dairy farmers Lucy and Adam risk it all with a huge financial gamble.Meanwhile, Callum's attempts to get lambs to market are hampered by storms, while Emma and Rob wrangle a feisty bullock.

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

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

Deep in the Egyptian desert, British archaeologist Howard Carter and his team slowly peel the bandages off Tutankhamun. It takes six days.Original photographs and Carter's extensive diary entries recreate the historic moment - the only royal burial found intact.

Tony Robinson travels the length of the Nile, from Cairo to Aswan, to investigate tombs of all shapes and sizes, and meets the archaeologists, including John Ward, who are unearthing extraordinary wonders.

Tony Robinson enters tombs that have been sealed shut for thousands of years, and discovers hieroglyphs that have only ever been seen by the ancient Egyptians who created them.

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

Ben meets a Pembrokeshire family living on the side of a rugged mountain, where they catch and forage for their own food and salvage junk for homemade inventions.

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

Clive Myrie meets soon-to-be-grandmother Tracey and suggests to her that borrowing a pet might lower her blood pressure.

Zoe Ball prescribes ten minutes of sunshine a day for retired woodworker Neville, who has suffered a series of heart attacks.

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.

Now in the midst of the fall season, Alaskans work tirelessly to prepare for winter's return. Andy Bassich and Denise Becker set out for a key harvest.

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.

Our fridges have been quietly 'keeping things cool' in the kitchen for over a hundred years.Hannah hits the production line with appliance giants Bosch to find the life-blood at the heart of fridges.

The celebrities must hold their nerve as they attempt to complete yoga stances on a tiny beam, which is suspended hundreds of feet above a frozen waterfall.They then attempt their scariest challenge so far - swimming underneath a frozen lake.

In Oregon, wildfires tear through the state. In Texas, a storm ruins a wedding. And in Hawaii, a climber fights for his life.

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

Clive Myrie meets soon-to-be-grandmother Tracey and suggests to her that borrowing a pet might lower her blood pressure.

Zoe Ball prescribes ten minutes of sunshine a day for retired woodworker Neville, who has suffered a series of heart attacks.

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.