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.