NatGeo Wild

'S1/E1 - Super Serpents'. Watch what unfolds when the world's most venomous snakes and largest constrictors face off against prey and people.

'S1/E1 - The Americas And Australia'. Some of the most elusive and lethal snakes lurk in the Americas and Australia.

'S1/E2 - Africa'. Across Africa, venomous strikers and constrictors thrive in various habitats.

'S1/E3 - Asia And Europe'. Across Asia and Europe, unique vipers, cobras and pythons are master hunters.

'S1/E1 - The Americas And Australia'. Some of the most elusive and lethal snakes lurk in the Americas and Australia.

'S2/E1 - Grizzly Bears, Guanacos, Beetles'. What happens when the Americas' wildest animals turn on their own? This episode includes a grizzly bear's robbery gone bad and a starling defending her home.

'S1/E2 - Africa'. Across Africa, venomous strikers and constrictors thrive in various habitats.

'S4/E2 - Polar Bear'. The polar bear is the world's largest land predator, but it is born blind and deaf. How does a cub become a successful killer?

'S1/E11 - Winter Is Coming'. Before winter, the Pols go into hyperdrive to finish the garden hardscape. Beth is concerned about the bees, so she brings in expert help.

'S1/E12 - Runaway Flock'. The Pols are adding four potentially pregnant merino ewes to their flock! Meanwhile, Beth checks to see if her bees have survived the winter.

'S3/E8 - Dinner And A Moo-Vie'. The Schroeders treat a variety of cases, including a hawk with a life-threatening injury.

For brown bears in northern Finland, life between winters is relentless.

'S3/E2 - You've Gotta Be Kitten Me!'. Drs. Ben and Erin Schroeder have a crowded clinic with patients ranging from a 40-year-old parrot to a cat in need of an emergency c-section.

'S3/E8 - Dinner And A Moo-Vie'. The Schroeders treat a variety of cases, including a hawk with a life-threatening injury.

For brown bears in northern Finland, life between winters is relentless.

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

'S2/E1 - Polar Bear'. A forensic look at how crocodiles hunt large prey like wildebeest and zebra, offering new perspectives into their killer ambush strategies.

'S3/E2 - You've Gotta Be Kitten Me!'. Drs. Ben and Erin Schroeder have a crowded clinic with patients ranging from a 40-year-old parrot to a cat in need of an emergency c-section.

'S3/E5 - Heartland Shellebration'. Drs. Ben and Erin Schroeder save a cat with an injured tail, a turtle with a smashed shell and a calf with an extra leg.

'S3/E4 - The Cat's Meow'. A busy week finds the docs giving a frisky feline a makeover, while Dr. Ben gets crafty with a splint for a young cow.

'S3/E7 - Poultry In Motion'. The Schroeders see a variety of patients from adorable ducks to stray chickens.

'S3/E8 - Dinner And A Moo-Vie'. The Schroeders treat a variety of cases, including a hawk with a life-threatening injury.

'S10/E12 - Shiver Me Puppers'. The vets deal with overnight emergencies while staff warm a hypothermic puppy.

'S2/E6 - Wolverines, Giant Hornets, Koalas'. See two lion brothers stage a hostile takeover of a pride, saltwater crocodiles battle for bathing rights, and giant hornets eat their queen.

'S5/E5 - Turtle Power'. The docs at Critter Fixer attempt to MacGyver a turtle's broken shell.

'S4/E7 - Goose Bumps'. The docs at Critter Fixer take on their toughest surgery ever... on a goose!

'S5/E5 - Turtle Power'. The docs at Critter Fixer attempt to MacGyver a turtle's broken shell.

'S5/E5 - Tunnel of Doom'. Simon and Sioux wrestle a 12ft black mamba in a water drain, a new homeowner has an unwanted visitor and Sioux gets dirty flushing out a forest cobra from a toilet.

'S5/E6 - Hiss The Night'. Snake City is hammered by summer storms as Simon and Siouxsie hunt for a black mamba in a pile of tiles by torchlight.

'S18/E13 - Feel The Born'. The doctors are kept on their toes with obstetrical emergencies and sick puppies but have much to celebrate with a Pol birthday.

'S4/E7 - Goose Bumps'. The docs at Critter Fixer take on their toughest surgery ever... on a goose!

'S5/E5 - Turtle Power'. The docs at Critter Fixer attempt to MacGyver a turtle's broken shell.

'S3/E2 - You've Gotta Be Kitten Me!'. Drs. Ben and Erin Schroeder have a crowded clinic with patients ranging from a 40-year-old parrot to a cat in need of an emergency c-section.

For brown bears in northern Finland, life between winters is relentless.

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

'S2/E1 - Polar Bear'. A forensic look at how crocodiles hunt large prey like wildebeest and zebra, offering new perspectives into their killer ambush strategies.

'S3/E8 - Dinner And A Moo-Vie'. The Schroeders treat a variety of cases, including a hawk with a life-threatening injury.

For brown bears in northern Finland, life between winters is relentless.

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

'S1/E3 - Wild Wild Wetlands'. Phil Breslin ventures into Australia's notorious wetlands to encounter a barramundi, and both freshwater and saltwater crocodiles.

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.

'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/E13 - Are Ewe Pregnant?!?'. In preparation for lambs, the Pols shear the Merino ewes. Charles has a terrifying accident, and the whole family rallies together.

'S1/E14 - The Pol Shebang'. It's been a year of farming for the Pol family. While Charles recovers from his injury, the farm's showing no signs of slowing down!

'S1/E4 - The Unusual Suspects'. Ryan Reynolds puts the spotlight on nature's most ingenious con artists.

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

'S1/E2 - Total Grossout'. The underdogs use their finest gross-out tactics to win the game of life.

'S1/E4 - The Unusual Suspects'. Ryan Reynolds puts the spotlight on nature's most ingenious con artists.

'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/E2 - Total Grossout'. The underdogs use their finest gross-out tactics to win the game of life.

'S1/E1 - Superzeroes'. Ryan Reynolds introduces 'The Superzeros', a team of pathetic animals with unexpected superpowers including indestructability and superglue slime.

'S1/E5 - Terrible Parents'. The underdogs make unusual parenting choices, from feeding their babies poop or laying eggs on a cliff. Are they bad parents or just misunderstood?

'S1/E3 - Sexy Beasts'. Ryan reveals a guide to romance and reproduction, underdog style.

'S1/E4 - The Unusual Suspects'. Ryan Reynolds puts the spotlight on nature's most ingenious con artists.

'S10/E14 - Marvelous Miss Maisey'. Drs. Lisa and Pol are on hand to assist during a horse's emergency delivery, and Dr. Brenda examines a calf born during sub-freezing temperatures.

'S3/E1 - Brutal Brawls'. Follow a fight between lionesses and a leopard in Africa and two brown bears battling for a prime salmon-fishing spot on an Alaskan river.

Will a mother leopard and her cubs endure a brutal fight for territory?

Bertie's mission takes him to Tanzania to film cheetahs on the hunt.

Nzuri learns new hunting methods so her cubs will survive.

'S6/E1 - Snakes And Sewage'. In order to catch a deadly black mamba, Simon must face his biggest fear - heights! Later, he deals with his OCD and digs in a poo pit to save a spitting cobra!

'S6/E2 - The Dark Night'. Simon has a close call with a deadly black mamba in the middle of the night and finds his first ever snouted cobra that's hitchhiked to Durban!

'S10/E15 - Three Little Piglets'. Dr. Pol saves a cat's broken leg at the clinic while Dr. Brenda treats a pet goat suffering from seizures.

'S1/E1 - Superzeroes'. Ryan Reynolds introduces 'The Superzeros', a team of pathetic animals with unexpected superpowers including indestructability and superglue slime.

Will a mother leopard and her cubs endure a brutal fight for territory?