Emperors of the Ice • 2006

53:37

Our planet has had a difficult and violent past. The potential for life all begins when Earth collides with another protoplanet, the size of Mars, shortly after the formation of our solar system. The impact nearly destroys our home, but Earth survives. And in the end a new world was created: The moon. Although it causes a lot of trouble on Earth, it is the moon that plays an important role in the story of how life ultimately came to be on our planet.

S1E1 • Fateful Planet • 2024 • Nature

57:59

Snakes have developed the ultimate economy of design and are the most elegant and iconic of hunters. Among the incredible species seen here are blind tiger snakes that hunt using their sense of smell, magnificent African spitting cobras and a bizarre turtle-headed sea-snake hunting on a coral reef. And, for the first time ever, cameras capture a snake ambush in the wild and the beautiful spectacle of yellow anacondas giving birth underwater.

S1E4 • Life in Cold Blood • 2008 • Nature

58:08

With the help of some surprising creatures from around the world, this series sets out to discover how animals take to the air, defying the force all airborne animals must conquer, gravity. Part 2: Masters of the Sky This episode looks at powered flight, revealing why peregrine falcons can top 200 miles an hour, how a hummingbird is a slave to its own rather manic lifestyle and that the albatross's secret to flying for free is its nose. Heavyweight beetles break the rules to find love, a devious sparrow-hawk uses agility to execute a lightning-fast raid on his prey and half a million mother bats dominate the sky above, and below, the ground with a dazzling display of aerial prowess.

S1E2 • Life in the Air • 2016 • Nature

50:04

As temperatures peak, animals must endure extreme heat and scarcity, pushing their survival strategies to the limit.

S1E3 • A Wild Year on Earth • 2020 • Nature

28:59

Almost all life in the region breeds in summer. A growing colony of fur seals on a beach in South Georgia resembles that of elephant seals shown in the previous episode. The pups grow fast on the rich, fatty milk provided by their mothers and double their weight in just sixty days. As the females become sexually available, the mating season begins and males try to claim territory and mate with females. Like elephant seals, fur seals fiercely attack all competitors.

S1E3 • Life in the Freezer • 2003 • Nature

20:57

A look at why a skunk would do a handstand, why 5,000 birds fell from the sky in Arkansas, and what would make a frog flash like a lighthouse.

S1E4 • Nature's Strangest Mysteries: Solved • 2019 • Nature