Hidden Kingdom • 2012 • episode "S1E1" • The Cell

53:53

On the unforgiving frontier of climate change, polar bears, walruses, seals and penguins find their icy Edens in peril.

S1E2 • Our Planet • 2019 • Nature

58:08

With the help of some surprising creatures from around the world, this series sets out to discover how animals take to the air, defying the force all airborne animals must conquer, gravity. Part 2: Masters of the Sky This episode looks at powered flight, revealing why peregrine falcons can top 200 miles an hour, how a hummingbird is a slave to its own rather manic lifestyle and that the albatross's secret to flying for free is its nose. Heavyweight beetles break the rules to find love, a devious sparrow-hawk uses agility to execute a lightning-fast raid on his prey and half a million mother bats dominate the sky above, and below, the ground with a dazzling display of aerial prowess.

S1E2 • Life in the Air • 2016 • Nature

58:14

David Attenborough reveals why forests are the ultimate test of survival for mammals, including a tiger whose stealth and hunting strategies are put to the test in the heat of an Indian summer. The programme also features footage of young chimpanzees learning how to get honey without angering bees and Siberian flying squirrel gliding elegantly and effortlessly from tree to tree.

S1E6 • Mammals with David Attenborough • 2024 • Nature

55:36

Journey from the lava ramparts to its fiery heart, we'll discover how this place became one of the most important areas of biodiversity in the world

S1E4 • Eden Untamed Planet • 2021 • Nature

48:03

The Mackenzie Delta is an Arctic network of channels and islands at the mouth of Canada's largest river. It's home to the ancient Inuit, as well as a variety of highly specialized wildlife, including the sonorous sandhill and majestic peregrine falcon. Follow them as they contend with a rapidly changing climate.

S1E3 • Arctic Secrets • 2015 • Nature

58:19

Going down into these narrow flooded passageways is not for the faint-hearted but, with only an estimated one percent of the caves explored, it is an opportunity for the team to write themselves into cave diving history, by pushing further in than anyone has before. This is a challenge that tests even the most accomplished cave divers. Steve must face the terrors of being lost in an underwater silt cloud in a cave. But there is a bigger issue at stake. All life in the Yucatan depends on the fresh water in this network of caves, but it's being contaminated by human development. With every metre the team maps, it adds to the knowledge of the system, which, in turns, helps protect it for future generations.

Undiscovered Worlds with Steve Backshall • 2019 • Nature