NatGeo Wild

'S1/E2 - A Lion Legacy'. A lioness leads the formidable Sausage Tree Pride, an ensemble of buffalo-slaying huntresses - that is, until the migration crosses their prime domain.

'S1/E4 - The Clan'. A lioness overthrew the preceding ruler of North Clan in an unprecedented takeover, fighting her way up from a lowly rank to matriarch.

'S1/E3 - The Sisterhood'. Identified by her burnt orange gaze, one lioness leads a pride of five closely-related lionesses and their six offspring.

'S4/E2 - Polar Bear'. Polar Bear exposes real life and death struggles in dramatic second-by-second detail. The cub spends about three years at its mother's side, learning to navigate the hars

'S1/E2 - A Lion Legacy'. A lioness leads the formidable Sausage Tree Pride, an ensemble of buffalo-slaying huntresses - that is, until the migration crosses their prime domain.

'S1/E4 - The Clan'. A lioness overthrew the preceding ruler of North Clan in an unprecedented takeover, fighting her way up from a lowly rank to matriarch.

'S7/E8 - Running With Reindeer'. Dr Oakley participates in a race pitting human runners against reindeer, five musk ox undergo pregnancy tests, and Daisy participates in a family reunion.

'S7/E6 - The Stricken Chicken'. Dr. Oakley sees two stubborn muskoxen and a particularly wily coyote. A badly burned dog receives an innovative, if fishy, new treatment.

'S1/E1 - Cats'. From the Eurasian lynx in Europe to the Margay in India, they all have one thing in common, they are deadly killing machines, a true athlete of the hunt!

From tree-climbing leopards and skull-crushing jaguars to quick-digging sand cats, watch the killer strategies that make wild cats possibly the deadliest family on Earth.

'S1/E2 - Reptiles'. Despite their ancient appearance, reptiles are creatures full of surprises and sophistication. Much like dinosaurs, reptiles are hugely efficient hunters.

'S1/E1 - Cats'. From the Eurasian lynx in Europe to the Margay in India, they all have one thing in common, they are deadly killing machines, a true athlete of the hunt!

From tree-climbing leopards and skull-crushing jaguars to quick-digging sand cats, watch the killer strategies that make wild cats possibly the deadliest family on Earth.

Over 30 years ago, National Geographic Explorers in Residence Dereck and Beverly Joubert went out on a quest to understand big cats.

Big cats seem predictable, yet their instincts can shift in surprising ways.

'S1/E2 - Reptiles'. Despite their ancient appearance, reptiles are creatures full of surprises and sophistication. Much like dinosaurs, reptiles are hugely efficient hunters.

'S1/E5 - Bears'. The turning of the seasons provokes profound changes in bears' bodies, allowing them to endure the harshest conditions.

'S1/E8 - Eagles And Hawks'. Few hunters in nature boast the power and majesty of birds of prey - hunting defines the very quintessence of their bodies and their senses.

'S1/E4 - Wolves and Jackals'. Wolves are a supreme example of co-operative hunting, their efficiency being based on a hierarchy within a pack that demands loyalty.

'S1/E1 - Cats'. From the Eurasian lynx in Europe to the Margay in India, they all have one thing in common, they are deadly killing machines, a true athlete of the hunt!

'S17/E4 - Hocus Pol-Cus'. It's autumn in Michigan and the Pols are ready for Halloween - the candy bowl is out, the leaves are turning, and clients are in costumes...

'S2/E2 - Leopards, Wild Boars, Pistol Shrimp'. Battles from freezing Siberia, where scarce resources force mighty golden eagles to fight for food, to vicious leopard combat in the Serengeti.

'S1/E1 - Lions'. A look at the strategies adopted by a pride of South African lions as they hunt zebras, impalas and giraffes in the Singita Game Reserve.

'S1/E2 - Wild Dogs'. Follow the Shiyane pack as they try to catch elusive prey in South Africa's Imfolozi Game Reserve, discovering how they operate as group hunters.

Africa's powerful rivers create homes for some of its most imposing inhabitants.

'S4/E5 - Monster Under the Bed'. Snake catcher Simon Keys and sassy herpetologist girlfriend Siouxsie Gillett race across Snake City to save a child from a nine-foot black mamba.

'S4/E6 - Twice Bitten'. Simon and Siouxsie save a badly injured spitting cobra from a house. They also get called to a university where a black mamba has eaten two kittens.

'S17/E5 - Homeward Hound'. In the midst of all of their usual cases, the staff of Pol Veterinary Services pull together to help a dog that was hit by a car.

'S1/E5 - Bears'. The turning of the seasons provokes profound changes in bears' bodies, allowing them to endure the harshest conditions.

'S1/E1 - Lions'. A look at the strategies adopted by a pride of South African lions as they hunt zebras, impalas and giraffes in the Singita Game Reserve.