Peaceful, intelligent, friendly beings that swim as if they own the sea, dolphins have long evoked humans affection and fascination, but still little is known about them. Viewers will get a fresh look at the world of the dolphins and meet up with scientists who will provide a better understanding of them. See what happened 50 million years ago when wolf-like mammals evolved into the family of dolphins, porpoises, and killer whales. Contains five episodes....

For 65 million years, Madagascar was lost to the world, isolated, undiscovered, and untouched by humans. Left to its own devices it became a hotbed of evolution, resulting in the greatest concentration of unique creatures anywhere on the planet. More than 80% of Madagascar's animals and plants are found nowhere else on Earth. Recognized as one of the world's most important biodiversity hotspots.

Journey around the globe to see killer whales in action, going after their prey in packs with extraordinary hunting techniques.

A remarkable new story is unfolding in the Arctic. As the ice melts and polar bears struggle to survive, another animal is taking over the polar bear's once dominant role as top predator. An ever-increasing number of killer whales are appearing in Arctic waters. As the polar bear's world is shrinking, the orca's is growing.

See how baby animals spend the day with their families like eating, sleeping, playtime and family time and watch how animals learn. A short quiz at the end of each program helps to reinforce the lessons.

Four years in the making, and filmed over 3000 days across every continent and in every habitat, see 130 incredible stories from frontiers of the natural world. Discover the glorious variety of life on Earth and the spectacular and extraordinary tactics animals and plants have developed to stay alive. This is evolution in action: individual creatures under extreme pressure to overcome challenges from adversaries and their environment.

At the very northern edge of North America is Ellesmere Island, where the unforgiving Arctic winds tear through the tundra dipping temperatures to 50 below zero. But running through this shifting sea of snow and ice is one of the most hardened predators on the planet, the White Wolf.

The film has extraordinary access to the work of scientist Todd Atwood, the lead polar bear scientist for the US Geological Survey. He has estimated that there has been a 40% decline in the polar bears around the South Beaufort Sea since 2006. It is an extraordinary decline, and he is determined to find out why. With more and more polar bears turning up year on year, scientists are determined to find out why this is happening.

In this double feature, National Geographic explores the amazing and secret world of the great apes. Mystery gorillas: Join primatologist Mireya Mayor at the heart of the jungle to explore the great apes' secret world. Search for the great apes: Join Dian Fossey and Biruté Galdikas to better understand the mountain gorilla and the elusive orangutan.

"Deep in Tanzania's Gombe National Park, where Jane Goodall began her pioneering work, epic and startling dramas worthy of Shakespeare are lived out by chimpanzees and gorillas. In a kingdom where 'royal' families rule with tolerance and battle fiercely, seethe with resentment and love tenderly, power players endlessly jockey for position in the quest for the throne."--Container.