This bold cinematic experience returns to take us on a magical adventure deep into our planet's oceans for a second time, sharing the astonishing new discoveries that have been made over the last few years. From icy polar seas to vibrant turquoise-blue atolls, life in the oceans must find ways to adapt to survive.
With the last of the longer days coming to an end, the Alaskans must travel through unfamiliar territories and stockpile resources before the waterways freeze and winter's dark, brutal conditions overtake the land. They work hard, but life is tough when you live off the grid, miles from the nearest road.
Adventurer Ben Fogle meets more people who have turned their backs on the trappings of Western society and set up home in some of the most isolated locations on Earth.
Michael Mosley is back to go behind the headlines once again and provide the answers to health questions. What is the best way to beat stress? Is coconut oil really the wonder-food it's claimed to be? And should we all get up an hour later?
BBC Earth seeks to inspire audiences by sharing the incredible wonders of our universe. The channel showcases the work of the world’s foremost factual film-makers and it seeks to take audiences on a thrilling journey of discovery. From the smallest creature under the microscope to the limitless expanses of space, BBC Earth brings viewers face-to-face with heart-pounding action, mind-blowing ideas and the wonder of being human.