A filmmaker investigates his traumatic encounter with a 30-ton humpback whale that breached and almost landed on him while he was kayaking. What he discovers raises far bigger questions about humans’ relationship with whales and their future.

Climbing trees is a survival skill black bears utilize from a very young age, but perfecting the skill takes practice.

The spectacled bear is the species on which the character Paddington Bear is based. And just like the fictional character's love for marmalade sandwiches, this spectacled bear has a sweet tooth.

Follow the adventures of bears across the globe, from grizzlies to pandas to sloth bears, as they draw on their brains, brawn and unique adaptations to survive. Find out what it really takes to be a bear in today’s ever-changing world.

When you're this tall, getting a drink of water can be challenging. With their high blood pressure, one would think giraffes should get a head rush when they bend down to drink from a watering hole. Luckily, their anatomy is tailored to combat this very issue.

Discover the ingenious strategies that nature’s biggest beasts employ to conquer their environments, from the Komodo dragon with a deadly bite to the tallest giraffe to the bird-eating Armored ground cricket. These are their epic survival stories.

On nights when the perfect tide conditions, day-length and sea temperature all align, some 400 species of coral across 3,000 reefs reproduce by releasing their eggs and sperm simultaneously. This ultimately helps grow the world's largest living structure - the Great Barrier Reef.

A family of meerkats watches as zebras migrate south in the Okavango. Simultaneously, they keep an eye out for predators from above and below as they snack on high-protein grubs.

The salty rainwater in the Okavango attracts a flock of flamingos. They come to feed on the shrimp that have hatched in the sheet water.

A pride of lions has no trouble hunting warthogs in their territory. They prey on the hogs to get them through the dry season in the Okavango.

Dereck and Beverly Joubert take us behind the camera for the filming of the final episode. They share some of the technical challenges and reflect on the full scale of the project.

This leopard mother has devised a clever way to ambush prey. She hides in the branches of a sausage tree and waits for antelope to come to feed on the fallen flowers. This ingenious hunting technique improves her success in providing food for her two hungry cubs.

Discover the landscape and wildlife of the Lower Okavango River, where the land is baked dry by the scorching sun of the Kalahari Desert and animals must adapt to the extreme environment.

A group of elephants takes offense when a pride of lions kills a buffalo. One elephant behaves as though she's lost one of her own in this fascinating display between two powerful species on the Okavango.

Delve into the landscape and wildlife of the “Middle World,” the delta of the Okavango River. In the most dynamic and lively part of the river, long caravans of elephants travel along the water, and Pied kingfishers hover before diving in for fish and frogs. Hyena and warthog families share neighboring dens, helping each other by keeping an eye on threatening predators.

Hyenas can easily rip a warthog to pieces, but this family allows a group of warthogs to share their den. It turns out, the two families make pretty good housemates - adding extra security from unwanted predators.

A mix between a waterbuck and a red lechwe - this totally unique antelope, called a 'wachwe' - is caught in limbo between a pack of hungry African wild dogs and a group of territorial hippos in the Okavango river.

The Southern Lesser Galago, also known as a Bushbaby, is perfectly adapted to hunt insects at night. Their tiny bodies are offset by their large, saucer-like eyes, and they will wash their feet and hands in their own urine to make them stickier and help in climbing trees.

Filmmakers Dereck and Beverly Joubert show the process of filming episode two. See some of the most charming and stunning moments from behind the camera and hear more about the Joubert's commitment to conservation.

When their lily pad home is threatened by a crocodile, this devoted father jacana saves his chicks by tucking one under each wing and carrying them to safety.