Dipping into North America's southern coastal waters, where squid mate, sea turtles nest and mobula rays take flight for the sake of romance; flying a drone with Lizzie as she swoops in for a breath sample from a blue whale.

Predators must kill to survive, but their next meal is always in question.

Chatty capuchin monkeys; Eurasian river otters' chilling screams; fruit bats' loud complaints; orcas' human-scale speech systems.

Madagascar is home to strange animals not found anywhere else on Earth; when these animals fight for supremacy, their battles are just as strange, from weird neck-wrestling weevils to ring tailed lemur moms that go into battle with baby on board.

Traveling the Dordogne River via traditional boats through the green heart of southwest France; drinking wine and hunting for truffles; riding a luxury cruiser to a lighthouse built for a king.

Marine life in the waters surrounding Brier Island in Nova Scotia includes dolphins and humpback whales.

A look at unique adaptations in animals' heads and necks.

Hope tries to stop the outbreak from spreading; decisions to save Hope for Wildlife.

Traveling the Dordogne River via traditional boats through the green heart of southwest France; drinking wine and hunting for truffles; riding a luxury cruiser to a lighthouse built for a king.

Marine life in the waters surrounding Brier Island in Nova Scotia includes dolphins and humpback whales.

A look at unique adaptations in animals' heads and necks.

Scientists from around the world reveal what makes sharks the ocean's ultimate predators.

Sharks are the ocean's most resilient hunters; discovering just how far they are willing to go.

Sharks have adapted to thrive in extreme places.

The ultimate battle for dominance as scientists try to pick out the alpha male in a pack of 100-plus great white sharks off the New Zealand coast.

Some survival adaptations make creatures ugly.

Animals that employ trickery: stick bugs, lion fish, emperor scorpions, and chameleons.

Navigate a mangrove forest in Borneo with the saltwater crocodile, which is perfectly suited to life among the watery roots; discover how this reptile uses the environment to regulate its temperature and why its patience makes it a good hunter.

How snakes have adapted to become one of evolution's most amazing success stories.

The tiny-but-deadly mantises; how these notorious, alienlike insects capitalize on their versatility, strength, and aggressive attitude to become one of nature's most successful hunters.

Apex predators use superior strength and cunning strategies to stay at the top of the food chain.

North American birds of prey can catch a wide range of animals in different environments.

Predators evolved to hunt insects have a plentiful and easy to consume food source.

Researchers study shark behavior and fight for the protection of these predators.

Researchers risk everything to unlock secret shark behaviours, challenge myths about sharks, and fight for the protection of these predators.

In some of the most-remote regions on the planet, researchers dive deep and brave danger to unlock secret shark behaviors; they fight for the protection of these supreme predators before it's too late.

Sharks often get portrayed as mindless predators prone to attacking humans, but there is more to these graceful apex predators than meets the eye; the Bimini Sharklab undertakes novel research into shark intelligence.

Predators must kill to survive, but their next meal is always in question.

Snakes, spiders, and scorpions comprise some of the most venomous creatures in the world.

Young orangutans who have lost their mothers to poaching and deforestation learn the skills they'll need to survive in the wild at a unique forest school.

The Yukon River boasts one of the longest salmon runs in the world; from musk ox to ice bears, there is a rich variety of life that call this frozen river home.

Roaming across America with a road-tripping chicken and meeting a mouse family living in an English garden; beating arachnophobia with a spider's help; trekking with the guardian of Earth's last two northern white rhinos.

Cockatoos and platypuses inspire new careers; a shared trauma bonds a human and an elephant for life; George the turkey vulture gets playful; a farewell to human-raised kangaroos.

Rumoured to be the cleanest river in Europe, few dispute it's the coldest; cascading down from the Dinaric Alps in Serbia, it soon crosses the border into Bosnia Herzegovina, where marine biologist and fisherman Sanel Riđanović casts for salmon.

At look at the effects humans have had on the evolution of other animals.

Internal adaptations that animals have evolved.

A look at the care, cleaning and feeding of the animals; a patient refuses to leave.

Rumoured to be the cleanest river in Europe, few dispute it's the coldest; cascading down from the Dinaric Alps in Serbia, it soon crosses the border into Bosnia Herzegovina, where marine biologist and fisherman Sanel Riđanović casts for salmon.

At look at the effects humans have had on the evolution of other animals.

Internal adaptations that animals have evolved.

A high-tech autopsy on a Nile crocodile unlocks secrets behind its hunting prowess.

A look at the cold-blooded residents of Madagascar.

The Savanna's woodland of southern Africa is a unique ecosystem in the world. A great amount of branches and bushes have created a dark maze, where predators and preys are in a continuous state of tension. Visibility is little.

Zambia's Luangwa Valley possesses a remarkable ecosystem; home to some of the most iconic African species, it is also teeming with a host of smaller animals.

Recent research into bird-like qualities of dinosaurs.

Animals that have evolved unusual abilities.

Scientists and enthusiasts reveal the crucial roles bugs play on the planet and what the future would be without them.

The colorful world of Earth's essential pollinators - bees, moths and butterflies.

The ruthless realm of some of the stealthiest and cleverest insects in the animal kingdom - from praying mantises and aquatic insects to dragonflies.

The crucial ecological roles that beetles play in nearly every environment, and why they are often regarded "the most important species on the planet.".

Steering clear of alphas, whose horns, claws and other protective gear keep them ready for battle, no matter what the weather dishes out; examining killer Highland cow horns, plucky mallard bills, razor-edged wolverine claws, and more.

A male brown hare throws punches at his beloved; admiring a sandhill crane dance battle; ibexes butt heads (literally) during mating season; why leopards are stealth masters.

Meeting alphas who get by with a little help from their friends; the inescapable gang mentality of mating male dolphins; ant colonies' unique scents; female geladas always get the last word; wolves hunt family-style.

Celebrating small but mighty animal warriors armed with sheaves of scary weapons; admiring nutrias' stink bombs; honey badgers' needlelike choppers; black-tailed gulls' razor-sharp beaks; the killer talons on dive-bombing peregrine falcons.

Elands lock corkscrew horns; storks rattle sabre-shaped beaks; rhinos scare the competition with massive horns; striped marlins spear unsuspecting prey.

Tasmanian devils get into food fights with rivals; how dung beetles roll over the competition; wild boars' fierce mating strategies; hyenas' bone-crushing teeth demolish any meal.

The blonde manes of golden snub-nose monkeys; pink flamingo feathers brought on by an all-crustacean diet; the markings of gemsboks and cheetahs.

A gorilla wrestling match, pushy moose antlers, long pelican bills that snap at any enemy within range, and a megashark's stereo sniffer.

Sea lions throw their weight around to win a mate, Cape buffalo deliver knockout punches, Canada geese hit hard with their wings, and lionesses rule the Savanna with an iron paw.

Warthogs' lumpy armor, giant African bullfrogs' jumping and biting skills, wild turkeys' sharp beaks and razorlike spurs, and Nile crocodiles' powerful jaws.

A glacial stroll alongside a Galápagos tortoise; dancing with venomous European adders; a battle between Lacerta lizards; leopard seals' stealth attacks.

Chatty capuchin monkeys; Eurasian river otters' chilling screams; fruit bats' loud complaints; orcas' human-scale speech systems.

Young orangutans who have lost their mothers to poaching and deforestation learn the skills they'll need to survive in the wild at a unique forest school.

Navigate a mangrove forest in Borneo with the saltwater crocodile, which is perfectly suited to life among the watery roots; discover how this reptile uses the environment to regulate its temperature and why its patience makes it a good hunter.

Observe the eternal search for water that defines the lives of Africa's wild animals; witness the biggest marine feeding frenzy on Earth, see how cobras stock up on solar power and join wildebeest herds and elephant clans on their migrations.

The filmmaker sheds light on the long-standing rivalry between lions and hyenas in hunting and how they survive the wilderness.

Tackling the grade 6 rapids and untamed waters of the Buller River on the west coast of New Zealand's South Island, blessed by a Māori elder of the Ngāti Apa ki te Rā Tō.

The evolution of various eyes and adaptations that exploit vision.

Cooperative and social adaptations and evolution.

Hope says goodbye to two celebrated patients; the grim reality of wildlife rehabilitation.

Tackling the grade 6 rapids and untamed waters of the Buller River on the west coast of New Zealand's South Island, blessed by a Māori elder of the Ngāti Apa ki te Rā Tō.

The evolution of various eyes and adaptations that exploit vision.

Cooperative and social adaptations and evolution.

Researchers study shark behavior and fight for the protection of these predators.

Researchers risk everything to unlock secret shark behaviours, challenge myths about sharks, and fight for the protection of these predators.

In some of the most-remote regions on the planet, researchers dive deep and brave danger to unlock secret shark behaviors; they fight for the protection of these supreme predators before it's too late.

Sharks often get portrayed as mindless predators prone to attacking humans, but there is more to these graceful apex predators than meets the eye; the Bimini Sharklab undertakes novel research into shark intelligence.

Cold-blooded predators are brutal and cunning killers.

Many animals use mimicry, poison, and other methods to avoid predators.

Scientists from around the world reveal what makes sharks the ocean's ultimate predators.

Sharks are the ocean's most resilient hunters; discovering just how far they are willing to go.

Sharks have adapted to thrive in extreme places.

The ultimate battle for dominance as scientists try to pick out the alpha male in a pack of 100-plus great white sharks off the New Zealand coast.

Predators must kill to survive, but their next meal is always in question.

Snakes, spiders, and scorpions comprise some of the most venomous creatures in the world.

Sharks are some of the oldest predators still living.

Reptiles have expanded into nearly every habitat in Africa.

Scientists and enthusiasts reveal the crucial roles bugs play on the planet and what the future would be without them.

The colorful world of Earth's essential pollinators - bees, moths and butterflies.

The fate of several graduates awaits the next round of wild releases; runaway Zalipa is found, but her partner in crime, Tulia, is still missing; baby Clarita has a complete meltdown as the vets perform surgery on her mother.

The team saves a massive sea lion caught in a plastic noose; a visit to the Rescue Centre where a harbor seal pup may lose its eyesight; a baby sea otter needs a risky but life-saving surgery.

Witnessing clashes over precious resources when the dry season brings a band of gladiators to an African savannah watering hole; a lion-elephant territory brawl, an ant raid on a termite mound and a honey badger's risky dance with a deadly snake.

A look at whether Australian animals' weapons, such as the kangaroo's boxing moves and the redback spider's traps, can help them survive climate change.

The St. Lawrence River is one that forged North America, allowing ships to traverse the continent; the adventure begins in Canada's first capital city of Kingston and near Canada's second largest city of Montreal.

Animals that have change little in millions of years, sometimes called living fossils.

The Grasslands National Park protects the North American mixed grass prairie.

Hope prepares for one of the most important days of the year; a violent storm threatens the event.

The St. Lawrence River is one that forged North America, allowing ships to traverse the continent; the adventure begins in Canada's first capital city of Kingston and near Canada's second largest city of Montreal.

Animals that have change little in millions of years, sometimes called living fossils.

The Grasslands National Park protects the North American mixed grass prairie.

Madagascar is home to strange animals not found anywhere else on Earth; when these animals fight for supremacy, their battles are just as strange, from weird neck-wrestling weevils to ring tailed lemur moms that go into battle with baby on board.

Australia is home to an eclectic array of creatures, and the ways to succeed as an alpha are just as diverse; the beach turns into a dueling ground and the outback becomes a boxing ring, as animals face off with their own kind.

The African savanna is an epic landscape, and whether it's head-bashing hippos, hormone-crazed elephants or dueling lions, battles that rage on the savanna are just as epic.

Welcome to India - a land of exotic animals and exotic warfare; monkeys stage dusty dust-ups, blackbucks wage open war on the open plains, and peacock dandies swing switchblades: these are colorful battles worthy of a vibrant land.

Massive elephant seals go nose to nose to win the title of beach master; giant petrels earn the nickname "murderous garbagemen"; a female humpback goes to extremes to protect her calf from amorous males.

Canada, where summer is short and time is tight, any time is the right time to fight; the mighty North provides the setting for bison, bald eagles and polar bears to wage some of the most heavy-duty fighting in the animal kingdom.

Learning to fight dirty with a guanaco, head-butting a fellow iguana to claim a piece of prime territory, and meeting a hermit crab who forcibly evicts a tenant from its shell.

With real-life dueling dragons, giant sumo-wrestling beetles, street-fighting monkeys, and sea turtles that play king of the hill - on top of another sea turtle, Southeast Asia boasts a wide range of wildlife warriors.

Bighorn rams rattle the mountaintops; Brown bears battle, desperate to fatten up for winter; Sharp-tailed grouse shake their tail-feathers; Wild stallions rumble with beauty and grace.

From the Highlands to the Alps, Europe's evocative landscapes are the backdrop for epic wildlife drama; normally stoic red deer go wild during the rut; wolf packs clash over territory, and foxes do the foxtrot but it's not as nice as it sounds.

Wildebeest battle for herd hierarchy, meerkats live the thug life, floppy fish fight it out on land and locusts give up their vegetarian ways in a frenzy of cannibalism; it all happens on the wild and wide-open landscape of South Africa.

The latitudes south of the Sahara offer vastly different battlegrounds for a wide range of warriors; male giraffes swing their heads like wrecking balls, zebras boast the most powerful kick in the animal kingdom, and chimpanzee warfare is familiar.

A high-tech autopsy on a Nile crocodile unlocks secrets behind its hunting prowess.

A look at the cold-blooded residents of Madagascar.

The Savanna's woodland of southern Africa is a unique ecosystem in the world. A great amount of branches and bushes have created a dark maze, where predators and preys are in a continuous state of tension. Visibility is little.

Navigate a mangrove forest in Borneo with the saltwater crocodile, which is perfectly suited to life among the watery roots; discover how this reptile uses the environment to regulate its temperature and why its patience makes it a good hunter.

A feeding frenzy for hungry predators as the Great Migration arrives.

How snakes have adapted to become one of evolution's most amazing success stories.

The tiny-but-deadly mantises; how these notorious, alienlike insects capitalize on their versatility, strength, and aggressive attitude to become one of nature's most successful hunters.

Underwater creatures have evolved for various niches and environments.

A feeding frenzy for hungry predators as the Great Migration arrives.

Scientists from around the world reveal what makes sharks the ocean's ultimate predators.

The team makes the final attempt to reunite reluctant mother Dilla with her new baby Delilah; Clara and Clarita are on their final journey to freedom when a dangerous flood stops them in their tracks and threatens everyone.

A shark scientist explores the mysteries of the hammerhead shark, using technology in the form of a remote-controlled stingray to learn more about the huge deepwater predators off the small island of Bimini.

A feeding frenzy for hungry predators as the Great Migration arrives.

Arctic winds plunge the polar bear into a deep freeze, while in Australia, the heat means a feast for one bird prey.

Navigating the historic Potomac River from West Virginia to Chesapeake Bay, passing through Washington, D.C. and the national monuments and ending at George Washington's Mount Vernon estate.

Despite being the second smallest park in Canada, Point Pelee bird watching reputation is huge.

The civilization of the first and finest national park in Canada, is surrounded by untamed wildlife.

Dr. Barry gets married; an eagle needs surgery; Hope releases the deer that arrived as fawns.

Navigating the historic Potomac River from West Virginia to Chesapeake Bay, passing through Washington, D.C. and the national monuments and ending at George Washington's Mount Vernon estate.

Despite being the second smallest park in Canada, Point Pelee bird watching reputation is huge.

The civilization of the first and finest national park in Canada, is surrounded by untamed wildlife.

Predators must kill to survive, but their next meal is always in question.

Snakes, spiders, and scorpions comprise some of the most venomous creatures in the world.

Sharks are some of the oldest predators still living.

Reptiles have expanded into nearly every habitat in Africa.

Researchers study shark behavior and fight for the protection of these predators.

Researchers risk everything to unlock secret shark behaviours, challenge myths about sharks, and fight for the protection of these predators.

In some of the most-remote regions on the planet, researchers dive deep and brave danger to unlock secret shark behaviors; they fight for the protection of these supreme predators before it's too late.

Sharks often get portrayed as mindless predators prone to attacking humans, but there is more to these graceful apex predators than meets the eye; the Bimini Sharklab undertakes novel research into shark intelligence.

Animals - and a plant - that use stench to survive.

Bizarre birds have various adaptations.

A feeding frenzy for hungry predators as the Great Migration arrives.

Scientists and enthusiasts reveal the crucial roles bugs play on the planet and what the future would be without them.

The colorful world of Earth's essential pollinators - bees, moths and butterflies.

The ruthless realm of some of the stealthiest and cleverest insects in the animal kingdom - from praying mantises and aquatic insects to dragonflies.

The crucial ecological roles that beetles play in nearly every environment, and why they are often regarded "the most important species on the planet.".

A high-tech autopsy on a Nile crocodile unlocks secrets behind its hunting prowess.

An inside look at the Nyaru Menteng Rescue Center in Borneo to explore how the orangutan school curriculum works, from nursery through graduation.

The rehab is flooded with orphaned seals, with some frozen solid in ice.

Prepare for the summer cubs' release with Roger; meet Ace and Little Blueberry, two newbies with serious health issues who will have to stay over the winter with the Z cubs; six happy, healthy bears embark on their new lives in the wild.

In a South African sanctuary, Liz meets a nine-year-old lion called Ricci whose teeth are in such rough shape he can't eat; specially trained vets use unique tools and slightly more anaesthetic than estimated on the wakeful patient.

Discover the stories of six epic river journeys via the fascinating characters who live and work on and around the water.

The Bruce Peninsula is the largest natural landscape remaining in Southern Ontario.

The Pacific Rim National Park Reserve is one of Canada's most beautiful and powerful parks.

Hope is taking on more animals and more responsibilities, but there are concerns about Hope's own health.

Discover the stories of six epic river journeys via the fascinating characters who live and work on and around the water.

The Bruce Peninsula is the largest natural landscape remaining in Southern Ontario.

The Pacific Rim National Park Reserve is one of Canada's most beautiful and powerful parks.

Navigate a mangrove forest in Borneo with the saltwater crocodile, which is perfectly suited to life among the watery roots; discover how this reptile uses the environment to regulate its temperature and why its patience makes it a good hunter.

A feeding frenzy for hungry predators as the Great Migration arrives.

How snakes have adapted to become one of evolution's most amazing success stories.

The tiny-but-deadly mantises; how these notorious, alienlike insects capitalize on their versatility, strength, and aggressive attitude to become one of nature's most successful hunters.

Steering clear of alphas, whose horns, claws and other protective gear keep them ready for battle, no matter what the weather dishes out; examining killer Highland cow horns, plucky mallard bills, razor-edged wolverine claws, and more.

A male brown hare throws punches at his beloved; admiring a sandhill crane dance battle; ibexes butt heads (literally) during mating season; why leopards are stealth masters.

Meeting alphas who get by with a little help from their friends; the inescapable gang mentality of mating male dolphins; ant colonies' unique scents; female geladas always get the last word; wolves hunt family-style.

Celebrating small but mighty animal warriors armed with sheaves of scary weapons; admiring nutrias' stink bombs; honey badgers' needlelike choppers; black-tailed gulls' razor-sharp beaks; the killer talons on dive-bombing peregrine falcons.

Elands lock corkscrew horns; storks rattle sabre-shaped beaks; rhinos scare the competition with massive horns; striped marlins spear unsuspecting prey.

Tasmanian devils get into food fights with rivals; how dung beetles roll over the competition; wild boars' fierce mating strategies; hyenas' bone-crushing teeth demolish any meal.

The blonde manes of golden snub-nose monkeys; pink flamingo feathers brought on by an all-crustacean diet; the markings of gemsboks and cheetahs.

A gorilla wrestling match, pushy moose antlers, long pelican bills that snap at any enemy within range, and a megashark's stereo sniffer.

Sea lions throw their weight around to win a mate, Cape buffalo deliver knockout punches, Canada geese hit hard with their wings, and lionesses rule the Savanna with an iron paw.

Warthogs' lumpy armor, giant African bullfrogs' jumping and biting skills, wild turkeys' sharp beaks and razorlike spurs, and Nile crocodiles' powerful jaws.

A glacial stroll alongside a Galápagos tortoise; dancing with venomous European adders; a battle between Lacerta lizards; leopard seals' stealth attacks.

Scientists from around the world reveal what makes sharks the ocean's ultimate predators.

Sharks are the ocean's most resilient hunters; discovering just how far they are willing to go.

Sharks have adapted to thrive in extreme places.

The ultimate battle for dominance as scientists try to pick out the alpha male in a pack of 100-plus great white sharks off the New Zealand coast.

Researchers study shark behavior and fight for the protection of these predators.

Researchers risk everything to unlock secret shark behaviours, challenge myths about sharks, and fight for the protection of these predators.

The orphaned orangutans attempt to make friends, which is a vital step in rehabilitation.

The ultimate battle for dominance as scientists try to pick out the alpha male in a pack of 100-plus great white sharks off the New Zealand coast.

Returning to South Luangwa to see the new pups born to the mighty Manzi and the tiny-but-fearless Kakumbi packs; yearling Snowy faces a hungry hyena before a lion pride scatters Manzi mum Weka's pups and leaves her frantically searching for them.

There's a lion-hyena showdown with Julz as he hunts for the elusive Manzi pack, who are missing four of their precious pups; Henry from the Zambian Carnivore Programme is on a house call to the Kakumbi den, where another pup has gone AWOL.

Old friends and a breakaway Manzi trio; Kakumbi make a kill.

Julz and Henry from the ZCP track the Kakumbi pups, who face off with a stubborn, razor-tusked warthog; Thandie Mweetwa, ZCP's lion specialist, counts the prides that are pushing the Manzi out of their territory.

Meandering through the black waters of a primordial river immortalized in a folk song.

This oldest National Park in the Canadian Maritimes is home to the highest density of moose in the world.

The Torngat Mountains National Park was set up in part to return the aboriginal people to their birthright.

An old patient gets a second chance; a pregnant porcupine; Hope has surgery.

Meandering through the black waters of a primordial river immortalized in a folk song.

This oldest National Park in the Canadian Maritimes is home to the highest density of moose in the world.

The Torngat Mountains National Park was set up in part to return the aboriginal people to their birthright.

Food-obsessed Beni receives an educational lesson from the local dominant male Petruk; Spanser, a former illegal pet, attempts to control his sweet tooth.

Meandering through the black waters of a primordial river immortalized in a folk song.

The story of five male cubs growing up on the Skeleton Coast of Namibia; the lions cover vast distances, thriving as nomadic hunters and becoming the youngest pride males ever to rule Namib's ancient desert realm; one brother sets off alone.

Five desert lions come of age in the African Namib.

The Judean desert is located next to Jerusalem and the Dead Sea.

Near the Snowy Mountains of southeast Australia is Wombat Wood, a wooded area dotted with the burrows of wombats.

Getting acquainted with an array of ocean oddballs and learning how billions of years' worth of changes have shaped their looks and skills; meeting blind worms who fish, walking sharks, tree-climbing crabs and much more.

Returning to South Luangwa to see the new pups born to the mighty Manzi and the tiny-but-fearless Kakumbi packs; yearling Snowy faces a hungry hyena before a lion pride scatters Manzi mum Weka's pups and leaves her frantically searching for them.

There's a lion-hyena showdown with Julz as he hunts for the elusive Manzi pack, who are missing four of their precious pups; Henry from the Zambian Carnivore Programme is on a house call to the Kakumbi den, where another pup has gone AWOL.

Old friends and a breakaway Manzi trio; Kakumbi make a kill.

Julz and Henry from the ZCP track the Kakumbi pups, who face off with a stubborn, razor-tusked warthog; Thandie Mweetwa, ZCP's lion specialist, counts the prides that are pushing the Manzi out of their territory.

Lizzie swims through coral reefs, digs for ancient fossils and treks through jungles on tropical shores; prowl with jaguars that stalk a Costa Rican beach and meet some big sharks.

In Namibia, Gordon joins a cheetah conservationist who wants to see if three orphaned cheetahs can learn to hunt; in Australia, the team put cameras on fur seals; in South Africa, the team deploy the first ever cameras on wild baboons.

Explore the partnership between clownfish and anemones; watch oxpeckers keep savannah residents healthy; review the agreements of dung beetles and pitcher plants.

Lizzie swims through coral reefs, digs for ancient fossils and treks through jungles on tropical shores; prowl with jaguars that stalk a Costa Rican beach and meet some big sharks.

In Namibia, Gordon joins a cheetah conservationist who wants to see if three orphaned cheetahs can learn to hunt; in Australia, the team put cameras on fur seals; in South Africa, the team deploy the first ever cameras on wild baboons.

Explore the partnership between clownfish and anemones; watch oxpeckers keep savannah residents healthy; review the agreements of dung beetles and pitcher plants.

Food-obsessed Beni receives an educational lesson from the local dominant male Petruk; Spanser, a former illegal pet, attempts to control his sweet tooth.

Lizzie swims through coral reefs, digs for ancient fossils and treks through jungles on tropical shores; prowl with jaguars that stalk a Costa Rican beach and meet some big sharks.

In Namibia, Gordon joins a cheetah conservationist who wants to see if three orphaned cheetahs can learn to hunt; in Australia, the team put cameras on fur seals; in South Africa, the team deploy the first ever cameras on wild baboons.

Explore the partnership between clownfish and anemones; watch oxpeckers keep savannah residents healthy; review the agreements of dung beetles and pitcher plants.

Discover the stories of six epic river journeys via the fascinating characters who live and work on and around the water.

Riding Mountain National Park in Manitoba.

Fundy National Park in southern New Brunswick.

Hope visits two long-term patients; tough choices; a unique creature joins the rehab.

Gros Morne National Park is the result of continental collision.

Riding Mountain National Park in Manitoba.

Fundy National Park in southern New Brunswick.

Going up against infant Cesia's case of malaria and spotting a thief in the food store.

Gros Morne National Park is the result of continental collision.

A completely new way of looking at the animal kingdom with adventurer, survivalist, and zoology nut Max Djenohan. Max is on a mission. To unlock and mimic the survival skills of some of the most charismatic animals on Earth.

A completely new way of looking at the animal kingdom with adventurer, survivalist, and zoology nut Max Djenohan. Max is on a mission. To unlock and mimic the survival skills of some of the most charismatic animals on Earth.

Zambia's Luangwa River hippos are living the easy life, or so it seems. They are one of the heaviest creatures on Earth, and life fluctuates between the serenity of sunbathing and the terrible brutality of dominance and aggression.

A feeding frenzy for hungry predators as the Great Migration arrives.

Lizzie swims through coral reefs, digs for ancient fossils and treks through jungles on tropical shores; prowl with jaguars that stalk a Costa Rican beach and meet some big sharks.

In Namibia, Gordon joins a cheetah conservationist who wants to see if three orphaned cheetahs can learn to hunt; in Australia, the team put cameras on fur seals; in South Africa, the team deploy the first ever cameras on wild baboons.

Explore the partnership between clownfish and anemones; watch oxpeckers keep savannah residents healthy; review the agreements of dung beetles and pitcher plants.

Australia's Great Barrier Reef is one of the natural wonders of the world and the largest living structure on the planet; Monty Halls explores the complexity of the reef itself and the wildlife that lives on it.

Exploring the softer side of Tasmanian devils; meeting a pioneering sea turtle and enjoying family dinner with Buttons, the deer; playing football with a bull.

Flapping around with Banksi the fruit bat and his human surrogate mom; eyeing a mischievous emu; celebrating a pig's rescue-versary; touring manatee heaven; learning to speak baboon with Dingani.

Australia's Great Barrier Reef is one of the natural wonders of the world and the largest living structure on the planet; Monty Halls explores the complexity of the reef itself and the wildlife that lives on it.

Exploring the softer side of Tasmanian devils; meeting a pioneering sea turtle and enjoying family dinner with Buttons, the deer; playing football with a bull.

Flapping around with Banksi the fruit bat and his human surrogate mom; eyeing a mischievous emu; celebrating a pig's rescue-versary; touring manatee heaven; learning to speak baboon with Dingani.

Going up against infant Cesia's case of malaria and spotting a thief in the food store.

Australia's Great Barrier Reef is one of the natural wonders of the world and the largest living structure on the planet; Monty Halls explores the complexity of the reef itself and the wildlife that lives on it.

Exploring the softer side of Tasmanian devils; meeting a pioneering sea turtle and enjoying family dinner with Buttons, the deer; playing football with a bull.

Flapping around with Banksi the fruit bat and his human surrogate mom; eyeing a mischievous emu; celebrating a pig's rescue-versary; touring manatee heaven; learning to speak baboon with Dingani.

The crew explores the Atacama Desert, the world's driest non-polar region.

Terra Nova National Park on the Newfoundland coast is a beautiful enigma with a rugged forest.

Quttinirpaaq National Park is affected by climate change.

The flood of fawns arrives; a pigeon gets some much needed relief; an animal is stuck in a car.

The crew explores the Atacama Desert, the world's driest non-polar region.

Terra Nova National Park on the Newfoundland coast is a beautiful enigma with a rugged forest.

Quttinirpaaq National Park is affected by climate change.

At a home for rescued baby chimps in Liberia, Jim and Jenny Desmond teach the orphans the skills they would have learned from their mothers in the wild; a new orphan named Miracle is rescued from her life on a chain.

At Liberia's only home for rescued chimpanzees, there are more new arrivals; Jimmy and Jenny Desmond and their team now have 28 chimps to look after, including an 8-week-old baby called Gaia.

Jimmy and Jenny Desmond and their team are at breaking point, with 38 chimps to look after; losing one of them to illness leaves the team more determined than ever to build them all a new sanctuary where they can live like wild chimps.

Get to know Winston, a tiny abandoned cub who imprints on Judy as she nurses him 24-7.

Celebrate as a newly arrived trio of sisters teaches Winston about friendship.

Bone up on outdoor skills as Winston and the X girls move into their new fresh-air enclosure; witness Yasmine and Yara's kindergarten power struggle.

Navigate rain, new climbing structures, and a first meeting of the summer cubs.

Spy on the summer cubs as they learn to climb trees and forage for food in preparation for their release into the wild; get surprised by a set of new arrivals, observe the annual pre-hibernation eating binge and enjoy a bear-friendly Thanksgiving.

Prepare for the summer cubs' release with Roger; meet Ace and Little Blueberry, two newbies with serious health issues who will have to stay over the winter with the Z cubs; six happy, healthy bears embark on their new lives in the wild.

Two black rhinos in Zambia are at the core of a relocation mission that's part of a grand plan to save the species.

In Kafue National Park, a team of biologists and vets from the Zambian Carnivore Programme, races to save and protect Africa's apex predators.

Rescuing baboons and a wounded pangolin.

An infection slows a duiker's release.

Seeing the release of pythons and monkeys.

Dr. Amanda removes a sable antelope's tracking collar and the animal-care team help a flea-riddled baby vervet monkey find a new mom, free two orphaned serval cats, and follow 20 yellow baboons into their new enclosure.

Tracking down Lahei, who's gone AWOL; seeing who earns their post-college freedom.

Professor Ben Garrod explores the evolution of the body's largest organ, skin.

Learn how South America's rich diversity of weather fuels an even richer diversity of life; examine the Amazon rainforest's oxygen-breathing trees, follow the arc of a vast cloud river and meet flamingos that thrive in the sun's scorching UV rays.

A feature on the Andean Altiplano, a rugged plain in Bolivia.

Visitors from around the world come to La Maurice National Park each fall when the leaves change.

The Gulf Island National Park sits between the development of Vancouver Island and British Columbia.

Recently released ravens are attacked; tiny orphans struggle; six stinky skunks.

A feature on the Andean Altiplano, a rugged plain in Bolivia.

Visitors from around the world come to La Maurice National Park each fall when the leaves change.

The Gulf Island National Park sits between the development of Vancouver Island and British Columbia.

In a South African sanctuary, Liz meets a nine-year-old lion called Ricci whose teeth are in such rough shape he can't eat; specially trained vets use unique tools and slightly more anaesthetic than estimated on the wakeful patient.

In Sierra Leone, a young chimpanzee deals with a potentially cancerous growth on her abdomen; wildlife vets deliver a diagnosis then get a fright mid-surgery.

A majestic Asian elephant who survived a catastrophic flood at his zoo in Tbilisi, Georgia has a badly infected tusk; surgeons race to remove the tusk and save the gentle giant's life.

Diving into a busy summer at the RSPCA Wildlife Hospital, where vet Emily takes the pressure off a gassy koala mum; the team fight a wave of lorikeet paralysis syndrome and vet Karina uses a teddy bear to rescue a flying fox pup.

Join vets Emily and Martine in the OR, where Dolly the koala's spaying surgery takes a scary turn; aid a run-over echidna with vet Nigel; see rescue officer Chantelle's slick fix for a snared lizard; probe a possible birdnapping with vet Karina.

Head into surgery with Mara the koala, who needs a life-saving tooth operation; assess an injured sugar glider with vet Tim; rescue officer Elise pulls a flying fox out of a gutter; see nurse Bree's clutch of python eggs hatch.

Rescue officers use a technique called flagging to nab a koala with dangerously inflamed eyes; vet Tim soothes burned possum feet; vet Karina examines a half-drowned platypus before referring him to a specialist.

Juggle the demands of caring for sick koala joeys with vet Claire; see what it takes to save a squirrel glider caught in barbed wire; take care of an exhausted owl; get a big surprise when vet Tim X-rays a turtle that was struck by a car.