The human microbiome and what we do to it

50:03

The final programme looks at the superorganisms formed by bees, ants and termites. Attenborough reveals that their colonies, whose individuals were once considered purely servile, are "full of conflict, power struggles and mutinies." They evolved when such creatures moved away from a solitary existence and started building nests side-by-side, which led to a collective approach to caring for their young.

Part 5 • Life in the Undergrowth • 2005 • Nature

41:41

David Schwimmer visits a forgotten Brazilian rainforest.

S1E5 • Mysterious Planet • 2020 • Nature

29:07

The first episode introduces the viewers to the continent of Antarctica and the surrounding sea and islands, its glaciers and the icebergs that form from it. It describes how the continent changes throughout the seasons, as it effectively doubles in size in winter when the surrounding sea freezes over, "the greatest seasonal change that takes place on this planet".

S1E1 • Life in the Freezer • 2003 • Nature

47:24

In the grasslands, animals endure freezes, fires, floods, and droughts; bull elephants clash in mating battles; cheetahs and gazelles engage in a predator-and-prey dance in the Kenyan savanna; bison battle a blizzard while being pursued by wolves.

S1E3 • Hostile Planet • 2019 • Nature

46:09

She experiences the rainforest for the first time travelling to the heart of the island with expert Glen Reynolds, before observing orangutans in the wild and learning how they are helping to prevent global warming. She then journeys down Borneo's Kinabatangan river and along the island's coastline to explore the unique wildlife that lives in this threatened environment.

S1E1 • Judi Dench's Wild Borneo Adventure • 2019 • Nature

55:43

A group of world-renowned scientists are on a quest to uncover the secrets of the most significant day in our planet's history: the day that killed the dinosaurs. 66 million years ago an asteroid the size of London hit the planet in the modern-day Gulf of Mexico. Now, as co-leaders of an expedition to drill deep into the Chicxulub asteroid impact crater, Geologists Sean Gulick and Jo Morgan have set out to answer how this resulted in the extinction of dinosaurs.

S1E5 • Catalyst: Series 18 • 2017 • Nature