Documentary featuring the remarkable people who live in the world's grasslands, exploring their relationship with the natural world around them. Show more

Documentary series. This final episode looks at how rituals adapt in our changing world. How do ancient ceremonies stay relevant and how do they change? Show more

Bill Bailey retraces the steps of his hero, naturalist Alfred Russel Wallace, to understand how he came up with the theory of evolution independently of Darwin. Show more

A look at how the eternal quest for water brings huge challenges - and ingenious solutions - for millions of people in the driest places on Earth. Show more

Comedian Bill Bailey ventures to Indonesia's Spice Islands to better understand how Victorian naturalist Alfred Wallace cracked evolution. Show more

Nature documentary. Intrepid paddler, Stephen Westcott, explores sea caves near Lands End in his search for hidden seal pups.

Documentary. Massive rituals bring thousands of people together, from a spectacular ancient battle in Indonesia to a modern ceremony in the desert at Burning Man. Show more

Documentary series delving into the South American wilderness. The story of an awe-inspiring coastline 4,000 miles long. These shores are not for the faint-hearted. Show more

A look at the world's most spectacular and extreme rituals. This episode looks at the way different cultures mark life events on the journey from cradle to grave. Show more

Documentary series delving into a rarely seen South American wilderness. Discover the secret lives of pumas and hummingbirds and soar with condors over glacial peaks. Show more

Documentary series delving into the South American wilderness. This episode discovers the weird world of maras, desert-dwelling penguins and guanacos. Show more

A look at the magical forests that wrap around a labyrinth of waterways in Scandinavia’s heartlands. Here, lynxes, wolves and reindeer survive the ever-changing seasons through surprising alliances. Show more

Wild and unpredictable, the Scandinavian coast is a place of haunting beauty and dangerous extremes, home to feisty puffins, orcas, eagles, otters and intrepid base jumpers. Show more

Scandinavia’s extremes have been shaped by ice and fire, but it’s the sun that reigns here. Polar bears, musk oxen and Arctic foxes must survive from the polar night to the midnight sun. Show more

Three-part series examining the harsh elements of the Alaskan wilderness. Here, a look at the tough and resourceful characters that face up to the challenges of winter. Show more

Iolo begins in an ancient sunken forest on Borth beach. There are characterful puffins on Skomer Island as well as the grey seals which come ashore to moult. Show more

Iolo visits Bwlch Nant yr Arian to celebrate the comeback of the majestic red kite to Welsh skies, and also showcases adders dancing on the heathland floor. Show more

Iolo’s journey begins in the ancient Celtic rainforest, where a whole cast of species depend on our mature oaks. Gillian Burke ventures to Anglesey island, where the red squirrel has made a comeback. Show more

At RSPB Ynys-hir, Iolo recalls the delights of fledging dippers and courting kingfishers. He canoes through the Cilgerran Gorge, while Dewi Roberts likes nothing better than snorkelling in the Wye. Show more

A young tropical turtle stranded in north Wales needs dedicated care from Anglesey Sea Zoo, while Chris Packham reveals the delicate and curious lives of moon jellyfish. Show more