Into the Lost Crystal Caves

The trials and tribulations of a sea otter pup growing up on the coast of California. The Californian sea otter is one of the rarest, and possibly cutest animals in the world. So when a sea otter mum decides to have her pup amongst the yachts of a millionaires' marina, it is a unique event. The mum must teach her baby how to dodge the boats and find the food in this busy harbour. However, the arrival of a tough male sea otter signals disaster for the family. When mum is attacked, the poor pup is left on her own and must fight for survival.

Documentary following a nest of eagles as they raise their children until they are ready to leave the nest.

Earthquakes, tsunamis, volcanic eruptions, and extreme weather. Has Earth always been this way? Featuring footage of top geologic hot spots on every continent, the film traces the scientifically-based story of the 4.5 billion-year-old Earth, from the core to the crust and up into the atmosphere.

In 1898, a Minnesota farmer clearing trees from his field uprooted a large stone covered with mysterious runes that tell a story of land acquisition and murder. The stone allegedly dates back to 1362. Initially thought to be a hoax, new evidence suggests the find could be real, and a clue that the Knights Templar discovered America 100 years before Columbus, perhaps bringing with them history's greatest treasure... the Holy Grail. Follow the clues as experts use erosion studies on the rune stone and match symbols in Templar ruins all over Europe to support this theory. Stones with similar markings have been found on islands across the Atlantic Ocean, and in Massachusetts and Rhode Island. Is it possible the Knights Templar, long thought to have been massacred, escaped on an incredible journey and were leaving clues to the whereabouts of the stone?

Isolated from the rest of the world since the time of the dinosaurs, New Zealand’s magnificent wildlife has been left to its own devices for 80 million years, with surprising consequences. This series reveals New Zealand’s rich and intriguing wildlife stories, from the bustling communities of penguins hiding away in giant daisy forests to the kakapo – Earth’s only species of flightless nocturnal parrots. New Zealand was also the last place to be discovered and settled by people who brought with them new animals, like merino sheep and new predators like the stoat. Finally the series meets the pioneering conservation heroes who are fighting to save some of its most endangered species.

Rocks, dunes, sand and dust - large areas of Namibia in southwest Africa are characterized by deserts. Riverbeds full of sand meander through these inhospitable regions. Some of these only have water once every few years when enough rain has fallen in the mountains and the water rushes to the coast - but most of the time the river courses have dried up. And yet they are crucial for the survival of many living beings.

An underwater voyage to Indonesia to learn about its inhabitants such as giant rays and whale sharks as well as efforts being made in the region for ocean conservation.

Along the coast of British Columbia lies an enchanted wilderness, where bear-hunting wolves take to the sea and grizzlies clash in titanic battles. In this magical, yet forbidding place, wildlife coexists and behaves as nowhere else on earth. As this precious arc of habitat faces an uncertain future, threatened by chainsaws and fish farms, a team of dedicated scientists are racing to prove that it must be protected. National Geographic joins these experts on a 250-mile adventure through remote and unexplored territory, battling nature's most brutal elements and witnessing its breathtaking best. The scientists form a wilderness detective squad, collecting clues that will decipher the secret life of the forest's elusive inhabitants and perhaps even reveal a glimpse of the rare white spirit bear in Great Bear Rainforest.

Is there a connection between animal sounds and the music that humans create? Using a surprising and wide variety of evidence from the animal kingdom - including the humpback whale, the lyre bird, the siamang gibbon and the great reed warbler - Sir David Attenborough seeks to prove that the origions of music lie in territory, emotion and sex.

Two years after the phenomenal success of the documentary Demain, Cyril Dion looks back at the projects the film inspired. He is accompanied by Laure Noualhat, a renowned investigator and sceptic of the ability of micro-initiatives to have any real impact in the face of climate change. Their humorous confrontation pushes them to their limits: what works, what fails? What if all this forces us to invent a new narrative for humanity?