Descent into the Mariana Trench • 2018 • episode "Part 3" • Deep Ocean

58:12

David Attenborough presents a guide to wildlife that have adapted to survive in frozen mountain regions. On the high slopes of Mount Kenya, a pregnant High Casqued Chameleon must choose the right time in a daily cycle of tropical sun and frost at night to give birth. The mountains of Japan are the snowiest place on Earth, providing hostile conditions for a lone male Macaque cast out of his troop. In the remote Southern Alps of New Zealand, parrots feed on the dead, while in the Andes, flamingos thrive in high altitude volcanic lakes.

S1E3 • Frozen Planet II narrated by Sir David Attenborough • 2022 • Nature

48:05

A polar bear mother keeps watch over her cub as they wait for the coming winter and the plentiful feeding opportunities it brings. But there are threats abound: from cannibalistic male bears, to the devastating impact of climate change, which has delayed the seasonal freeze and put them at risk of starvation.

S1E8 • Arctic Secrets • 2015 • Nature

23:11

They might be young and vulnerable, but every second of these baby animals' lives is a training ground, preparing them for their destiny as an elite predator. Watch as young lions, coyotes, cheetahs, and foxes engage in the kind of play that prepares them for life at the top of the food chain.

S1E5 • Baby Animals • 2016 • Nature

59:07

Isolated since the time of the dinosaurs, New Zealand's wildlife has been left to its own devices, with surprising consequences. Its ancient forests are still stalked by predators from the Jurassic era. It's also one of the most geologically active countries on earth. From Kiwis with their giant eggs, to forest-dwelling penguins and helicopter-riding sheep dogs, meet the astonishing creatures and resilient people who must rise to the challenges of their beautiful, dramatic and demanding home.

Part 1 • New Zealand: Earth's Mythical Islands • 2016 • Nature

89:08

Thanks to a recent remarkable discovery in the BBC's film vaults, the best of David Attenborough's early Zoo Quest adventures can now be seen as never before, in colour, and with it the remarkable story of how this pioneering television series was made. First broadcast in December 1954, Zoo Quest was one of the most popular television series of its time and launched the career of the young David Attenborough as a wildlife presenter. It completely changed how viewers saw the world, revealing wildlife and tribal communities that had never been filmed or even seen before. Broadcast ten years before colour television was seen in the UK, Zoo Quest was thought to have been filmed in black and white, until now. Using this extraordinary new-found colour film, together with new behind-the-scenes stories from David Attenborough and cameraman Charles Lagus, this special showcases the very best of Zoo Quest to West Africa, Zoo Quest to Guiana and Zoo Quest for a Dragon in stunning HD colour for the very first time.

2016 • Nature

59:22

Liz Bonnin presents a controversial and provocative episode of Horizon, investigating how new scientific research is raising hard questions about zoos - the film explores how and why zoos keep animals, and whether they need to change to keep up with modern science, or ultimately be consigned to history. Should zoos cull their animals to manage populations? Liz travels to Copenhagen Zoo, who killed a giraffe and fed it to the lions, to witness their culling process first hand. They think it is a natural part of zoo keeping that is often swept under the carpet. Should some animals never be kept in captivity? In a world exclusive, Liz visits SeaWorld in Florida and asks if captivity drove one of their orcas to kill his trainer. But could zoos be the answer to conserving endangered species? Liz examines their record, from helping breed pandas for the wild to efforts to save the rhinos. She meets one of the last surviving northern white rhinos and discovers the future of this species now lies in a multimillion-dollar programme to engineer them for stem cells. Veteran conservation scientist Dr Sarah Bexell tells Liz the science of captive breeding is giving humanity false hope.

Horizon • 2016 • Nature