The Secret Life of Cats

Trek into the hidden battlefields of northern Botswana where lions and spotted hyenas clash in overlapping territories. With never-before-seen footage, much of it filmed at night, you'll uncover an intense and vicious blood feud that has been waged for millennia. Follow the Southern Clan, led by a powerful hyena matriarch whose firstborn female cub kills her sister at birth to assure her succession as leader of the clan. Lurk in the shadows as a lioness from the Central Pride gives birth to three cubs and then encounters a deadly Egyptian cobra. You'll be stunned by breathtaking chase scenes as the hyena matriarch is brutally killed by a male lion, throwing the clan into chaos. Discover nature's savage conflicts in this ancient rivalry.

Documentary which follows crocodile expert Brad Bestelink on a quest to dive with crocodiles without a cage or any other protection.

Thomas Haemmerli is about to celebrate his fortieth birthday when he learns of his mother's death. A further shock follows when he and his brother Erik discover her apartment, which is filthy and full to bursting with junk. It takes the brothers an entire month to clean out the place. Among the chaos, they find films going back to the 1930s, photos and other memorabilia.

Listen to the sound of the waves, the turtles, all these lamps; many personal emotions and sensations.

In honor of his 95th birthday, a look at Sir David Attenborough’s life and contributions to broadcasting and the natural world. Presented by BBC.

Sir David Attenborough investigates the discovery of a lifetime: the giant skull of a prehistoric sea monster, known as a pliosaur – the Tyrannosaurus rex of the seas!

Only few big cats have been as intensively studied as lions. We thought we knew everything about them. Yet some parts of their lives kept hidden in the dark. Cameras follow two prides and their respective females by day and by night, revealing astonishing behavioral patterns of Africa's largest lions. Symbols of courage and power, lions have been intensively researched for many decades. While hardly a single facet of their lives has gone unnoticed, certain things have remained hidden. Thanks to thermal imaging cameras, this two-part series reveals the last secrets of Africa's largest wild cats. We follow two prides in Southern Kenya and their respective females by day and by night, discovering astonishing behavioral patterns. Lean times face the animals as the huge wildebeest herds, which, until now have supplied the young families with ample food, are migrating south to the Serengeti. We will watch the daily struggle for survival as these mothers risk everything in order to rear ...

An in depth look at the undersea life of dolphins

An examination of the extinction threat faced by frogs, which have hopped on Earth for some 250 million years and are a crucial cog in the ecosystem. Scientists believe they've pinpointed a cause for the loss of many of the amphibians: the chytrid fungus, which flourishes in high altitudes. Unfortunately, they don't know how to combat it. Included: an isolated forest in Panama that has yet to be touched by the fungus, thus enabling frogs to live and thrive as they have for eons.