Alaska: Earth's Frozen Kingdom

David Attenborough celebrates the amazing variety of the natural world in this epic documentary series, filmed over four years across 64 different countries.

Natural World is a nature documentary television series broadcast annually on BBC Two and regarded by the BBC as its flagship natural history brand. It is currently the longest-running series in its genre on British television, with more than 400 episodes broadcast since its inception in 1983. Natural World is produced by the BBC Natural History Unit in Bristol, but individual programmes can be in-house productions, collaborative productions with other broadcasters or films made and distributed by independent production companies and purchased by the BBC. Natural World programmes are often broadcast as PBS Nature episodes in the USA. Since 2008, most Natural World programmes have been shot and broadcast in high definition.

Filmed across six continents, this docuseries uses cutting-edge camera technology to capture animals' nocturnal lives, revealing new behaviours filmed in full color like never before.

Shot from land and air, in trees and cliff-blinds, on ice floes and underwater, this documentary tells the powerful stories of many of the planet's species and their movements, while revealing new scientific insights with breathtaking high-definition clarity and emotional impact. The beauty of these stories is underscored by a new focus into these species; fragile existence and their life-and-death quest for survival in an ever-changing world.

Anthony Morgan explores the extraordinary ways that animals hear and produce sound, and the crucial role sound plays in the lives of animals around the globe - from birth to surviving adulthood and finding a mate.

Ten years on from the original Frozen Planet, this documentary series takes audiences back to the wildernesses of the Arctic and Antarctica and tells the complete story of the entire frozen quarter of our planet that’s locked in ice and blanketed in snow.

David Attenborough presents a nature documentary series looking at why mammals are the most successful creatures on the planet.

Consistently stunning documentaries transport viewers to far-flung locations ranging from the torrid African plains to the chilly splendours of icy Antarctica. The show's primary focus is on animals and ecosystems around the world. A comic book based on the show, meant to be used an as educational tool for kids, was briefly distributed to museums and schools at no cost in the mid-2000s.

Over two extraordinary years, National Geographic Explorer Bertie Gregory discovered never-before-filmed secret traditions, surprising intelligence and close-knit societies of penguins. This astonishing series reveals they are more like us than we ever dreamed, from their powerful friendships to the courageous risk-takers using ingenuity and innovation in some of the world's most extreme places.

A showcase of the wonders, secrets and fragilities of the Americas, narrated by Tom Hanks.

This nature documentary introduces viewers to the fauna and flora of Britain and Ireland across four main areas: woodlands, grasslands, freshwater and marine.

Will Smith whose curiosity and wonder is positively infectious—is guided by National Geographic Explorers traveling to different corners of the world to get up close and personal with the weirdest, most unusual, dangerous and thrilling spectacles of the planet.