At the onset of winter, Alaskans combat threats; a storm batters Kavik as Sue fortifies camp; Ricko searches for elusive wildlife; the Hailstones ice fish; Johnny secures food in the Brooks Range.

The winter season grows more erratic, and Alaskans are forced to adapt.

As the deep cold persists, Alaskans must carry on their way of life.

As daylight fades, Alaskans contend with threats lurking in the shadows.

The open house is bigger than ever, which brings about more challenges.

Northumberland Strait.

An analysis of the secrets of long-lost human settlements, a mysterious Norwegian mound, pre-historic stone circle on the banks of the Tagus River, lost city in the cradle of civilization and more.

Never seen before footage of Hope's greatest stories.

The loyalist city of Saint John and international borders beyond, one of the worlds most famous waterways.

Zoom in on some otherworldly sights. Spot a giant glacier on the Red Planet, let the milky seas off the coast of Java bathe your vision, ponder a huge hexagon floating above Saturn, and take a spin around a doughnut-shaped lake in Saskatchewan.

Gordon Buchanan begins training the cubs for their new life in the wilderness; with just ten weeks left before release, little Pasha is still struggling.

Gregg Wallace explores the Vale of Mowbray pork pie factory in Northallerton, Yorkshire, which began making pork pies in 1928; he visited the factory in May 2022, following production of their 75g snack-sized traditional pork pie.

The Earth's surface is changing faster than ever in human history: cities grow, forests disappear and glaciers melt; a man feeds thousands of parakeets in a city; in Sumatra, a female orangutan and her daughter face life in a forest under threat.

From freshwater jungle ponds to the dark depths of the open ocean, air breathing mammals have found ways to overcome the challenges of a life in water.

Brian journeys across the solar system and explores its weirdest worlds, the misfits and oddballs; he discovers the forces that sculpted bizarre features and strange phenomena.

The team battle through the jungle into the heart of Indonesian Borneo, where a remote mountain range guards caves, holding secrets that could rewrite history.

Gregg Wallace explores the Vale of Mowbray pork pie factory in Northallerton, Yorkshire, which began making pork pies in 1928; he visited the factory in May 2022, following production of their 75g snack-sized traditional pork pie.

The anticipation of the annual Great Migration is being felt by all of the Serengeti's families as they wait with great desperation for it to arrive; the land continues to get hotter and hunger starts to bite as food becomes even more scarce.

Leaders and representatives of Aboriginal communities show Zac and Darin how indigenous cultures live to protect and preserve the land.

Many leading scientists believe there's a possibility to soon detect the first evidence of extraterrestrial life.

Challenging the concept of reality with new data from a supermassive black hole.

Leaders and representatives of Aboriginal communities show Zac and Darin how indigenous cultures live to protect and preserve the land.

Many leading scientists believe there's a possibility to soon detect the first evidence of extraterrestrial life.

An international team of volcanologists in Iceland.

Gregg Wallace explores the Vale of Mowbray pork pie factory in Northallerton, Yorkshire, which began making pork pies in 1928; he visited the factory in May 2022, following production of their 75g snack-sized traditional pork pie.

The anticipation of the annual Great Migration is being felt by all of the Serengeti's families as they wait with great desperation for it to arrive; the land continues to get hotter and hunger starts to bite as food becomes even more scarce.

The Earth's surface is changing faster than ever in human history: cities grow, forests disappear and glaciers melt; a man feeds thousands of parakeets in a city; in Sumatra, a female orangutan and her daughter face life in a forest under threat.

Gordon Buchanan begins training the cubs for their new life in the wilderness; with just ten weeks left before release, little Pasha is still struggling.

A huge storm sweeps an unusual patient into Hope for Wildlife, and Hope tries to return him to his home.

The natural wonders of the Gaspe Peninsula.

Explore strongholds abandoned by their architects. Look at a lost city in the Amazon jungle, see a desert fortress made by humanity's most notorious empire, explore a city of identical castles, and examine a Greek isle's bloody history from the air.

Hope cares for the first two beavers to arrive at the rehab centre and learns the fate of her most famous patient.

Incredible rock formations, peat farms and some of the East Coast's impressive sand dunes.

Peek at landmarks in places where they shouldn't be. Wing your way over an imperial pyramid in the Netherlands, a massive metal sphere in remote Russia, a lion shape carved into an English hillside, and a bare swath cut through an Austrian forest.

Exploring Scandinavia's wild and unpredictable coast, beginning around the Swedish Baltic Sea which includes fjords home to eagles, otters, base jumpers and orcas.

Probing the chemistry behind an essential UK treat and flip for perfect pancakes.

A look at Isaac Newton;a visit to CERN.

Leaders and representatives of Aboriginal communities show Zac and Darin how indigenous cultures live to protect and preserve the land.

Many leading scientists believe there's a possibility to soon detect the first evidence of extraterrestrial life.

Challenging the concept of reality with new data from a supermassive black hole.

Probing the chemistry behind an essential UK treat and flip for perfect pancakes.

The long-awaited arrival of the Great Migration brings opportunities and food in abundance, but it also increases conflict as every one of the Serengeti's families is put to the test.

A race to find the planet's 60 deadliest creatures.

A race to find the planet's 60 deadliest creatures.

Gregg explores a coffee factory that produces 175,000 jars of coffee everyday; Cherry learns about coffee chemistry.

A race to find the planet's 60 deadliest creatures.

A race to find the planet's 60 deadliest creatures.

Gregg explores a coffee factory that produces 175,000 jars of coffee everyday; Cherry learns about coffee chemistry.

Probing the chemistry behind an essential UK treat and flip for perfect pancakes.

The long-awaited arrival of the Great Migration brings opportunities and food in abundance, but it also increases conflict as every one of the Serengeti's families is put to the test.

A look at Isaac Newton;a visit to CERN.

Exploring Scandinavia's wild and unpredictable coast, beginning around the Swedish Baltic Sea which includes fjords home to eagles, otters, base jumpers and orcas.

Hope and Dr. Barry have their hands full wrangling five baby black bears.

The Magdalen Islands.

Examine strange relics forgotten by time. Visit a perturbing circle of stone in the Golan Heights, a mountain of headless statues in Turkey, a castle left to crumble in the Saudi Arabian desert, and a time-worn secret in the wilds of Peru.

The first fawn of the year arrives at the rehab centre; two volunteers plan to make rehab a lifelong commitment.

The west coast of Newfoundland is a story of cultural history and natural beauty, from the first European settlements at historic Port au Choix, to the incredible, scenery of Gros Morne National Park.

Confront objects that make no sense. Spot a spinning island in an Argentinian marsh, a colossal triangle stuck in the Arizona desert, mysterious multicoloured pools across northern Ethiopia, and a huge human figure hidden in the Australian outback.

Exploring the Scandinavian forest, an ancient land shrouded in myth and legend, and its animals, including wolves, lynx, osprey and reindeer.

Wallace visits a Yorkshire team that churns out up to 90,000 vegan sausages a day; Cherry Healey discovers how Canadian soybeans are transformed into protein-packed tofu.

A race to find the planet's 60 deadliest creatures.

A race to find the planet's 60 deadliest creatures.

Gregg explores a coffee factory that produces 175,000 jars of coffee everyday; Cherry learns about coffee chemistry.

Wallace visits a Yorkshire team that churns out up to 90,000 vegan sausages a day; Cherry Healey discovers how Canadian soybeans are transformed into protein-packed tofu.

The dry season is now upon the animals of the Serengeti, turning the waterhole into a death trap for the herds, but for some this season is a gift.

Asia is the largest and most extreme continent on the planet, stretching from the Arctic Circle to the tropical forests on the Equator.

There are not five separate oceans, but one; its waters linked by powerful forces that keep them on the move.

Borneo is the richest rainforest island of all; home to 40,000 species of plants and animals, 6,000 of them are unique, and more are discovered almost daily.

Asia is the largest and most extreme continent on the planet, stretching from the Arctic Circle to the tropical forests on the Equator.

There are not five separate oceans, but one; its waters linked by powerful forces that keep them on the move.

Borneo is the richest rainforest island of all; home to 40,000 species of plants and animals, 6,000 of them are unique, and more are discovered almost daily.

Wallace visits a Yorkshire team that churns out up to 90,000 vegan sausages a day; Cherry Healey discovers how Canadian soybeans are transformed into protein-packed tofu.

The dry season is now upon the animals of the Serengeti, turning the waterhole into a death trap for the herds, but for some this season is a gift.

Exploring the Scandinavian forest, an ancient land shrouded in myth and legend, and its animals, including wolves, lynx, osprey and reindeer.

David Attenborough tells the story of the discovery and reconstruction in Argentina of the world's largest known dinosaur, a brand new species of titanosaur. Measuring 37m long, it now holds the record as the biggest animal ever to walk the earth.

A team of forensic experts excavate a giant Pliosaur skull, the largest Jurassic predator ever known.

David Attenborough joins a team of researchers in their efforts to discover the secrets of a 200-million-year-old giant sea dragon fossil.

David Attenborough explores his passion for birds' eggs. These remarkable structures nurture new life, protecting it from the outside world at the same time as allowing it to breathe.

Remote islands offer sanctuary; pygmy three-toed sloth resides on a Caribbean island; nesting albatross thrive in isolation.

The secretive lives of mountain animals; snow leopards come together to help a mother and cub, trapped between rival males.

Asia has the longest coastline of any continent, rich coral reefs, and never-seen-before animal behavior; exploring Asia's diverse waters.

Asia is the most mountainous continent on earth; from the tropical south to its barren centre, its highest places are home to some of our planet's most remarkable wildlife.

After being raised on the ice in winter, emperor penguin chicks find themselves abandoned by their parents in spring; to survive, they must find their own way across the treacherous sea ice to the rich waters of the Southern Ocean.

At the top of the planet lies the Arctic Ocean; after four months of winter darkness, the sun returns to reveal a frozen ocean covered in ice; mother polar bears emerge from their hillside dens and lead their cubs down to the sea ice to hunt.

Isolated for millions of years, Australia has a variety of unique animals, including the most dangerous bird in the world, kangaroos, wombats, koalas and predators.

More than any other continent, North America is defined by extreme weather and seasonal change; for animals that live here this poses great challenges, but for those with a pioneering spirit it can also offer great rewards.

With heightened senses verging on superpowers, over two thirds of mammal species are creatures of the night with some even returning to the dark side as their daytime world gets more and more crowded.

Mammals have mastered every environment on Earth, but today the planet is changing rapidly, thanks to one mammal in particular; as humans reshape the planet, mammals must change with it and find surprising ways to survive this new wild.

Alaskans soldier through the heart of dark winter in pursuit of the resources they desperately need for survival.

A giant crack in the ice continues to be an obstacle for all crews as they try to set nets in deeper water; Mike and Justin are caught flat-footed when the crack shifts and sends a violent ice quake to shake their location.

In Arkansas, two storm chasers help warn people that a tornado is barrelling towards them, wreaking havoc on downtown Jonesboro and leaving a trail of destruction. In Idaho, a daredevil adventurer decides to swim beneath a frozen lake.

Alaskans soldier through the heart of dark winter in pursuit of the resources they desperately need for survival.

A giant crack in the ice continues to be an obstacle for all crews as they try to set nets in deeper water; Mike and Justin are caught flat-footed when the crack shifts and sends a violent ice quake to shake their location.

In Arkansas, two storm chasers help warn people that a tornado is barrelling towards them, wreaking havoc on downtown Jonesboro and leaving a trail of destruction. In Idaho, a daredevil adventurer decides to swim beneath a frozen lake.

Gregg Wallace explores an Ambrosia factory that makes up to 360,000 rice puddings daily; Cherry Healey finds out how Alps fresh water is used to grow over a million tonnes of rice annually.

It's time to close another chapter in the lives of the animals of the Serengeti; first, all around is a blackened wasteland, the aftermath of the huge fire.

Exploring Scandinavia's kingdoms of fire and ice and the animals - including muskoxen, polar bears and arctic foxes - who must navigate the landscape as it changes around them.

Learning the secret of rehabilitating seals from experts at Vancouver Aquarium; search and rescue is launched.

St. John's Newfoundland and the Avalon peninsula to the unique islands.

Take a deep dive into watery enigmas. Glide over a sunken Italian city, a unique underwater cemetery in the Florida Keys, a yellow brick road to nowhere in the depths of the South Pacific, and puzzling rocky constructions off the coast of Australia.

Hope recruits an unlikely wildlife rescuer.

From St. John's heading north, the coastline is a maze of bays and inlets.

Psychedelic swirls in the Utah wastelands; a bizarre configuration of circles in the Sahara; hidden lines with the help of a drone; a remote polka-dot lake in Canada.

Tiger cubs that are only a few days old are prey for almost anything; hidden cameras follow the lives of tiger cubs growing up in India's jungle.

Gregg visits a factory that churns out 32 million mints per day; Cherry Healey visits the largest sugar beet factory in Europe; Ruth Goodman explores minty mouthwash marketing.

The Trappist-1 stellar system is home to seven Earth-like planets, and one of them could harbor life; rival teams of visionary pioneers use data to extrapolate entire worlds, leading the search for life on other planets throughout the universe.

Alaskans soldier through the heart of dark winter in pursuit of the resources they desperately need for survival.

A giant crack in the ice continues to be an obstacle for all crews as they try to set nets in deeper water; Mike and Justin are caught flat-footed when the crack shifts and sends a violent ice quake to shake their location.

In Arkansas, two storm chasers help warn people that a tornado is barrelling towards them, wreaking havoc on downtown Jonesboro and leaving a trail of destruction. In Idaho, a daredevil adventurer decides to swim beneath a frozen lake.

Gregg visits a factory that churns out 32 million mints per day; Cherry Healey visits the largest sugar beet factory in Europe; Ruth Goodman explores minty mouthwash marketing.

For her pups to survive, a young meerkat queen must unite her family in the face of rivals, predators and immense dust storms in the harsh beauty of the Madgadikgadi salt pans of Botswana.

Many leading scientists believe there is a possibility of detecting the first evidence of extraterrestrial life.

Asking questions about the universe and how it came to be 13.8 billion years ago; inspecting images gathered by the Hubble and Planck space telescopes and clues that are giving scientists insight into the origins of life.

Professor Cox explores the cycles of time that define the lives of humans.

Many leading scientists believe there is a possibility of detecting the first evidence of extraterrestrial life.

Asking questions about the universe and how it came to be 13.8 billion years ago; inspecting images gathered by the Hubble and Planck space telescopes and clues that are giving scientists insight into the origins of life.

Professor Cox explores the cycles of time that define the lives of humans.

Gregg visits a factory that churns out 32 million mints per day; Cherry Healey visits the largest sugar beet factory in Europe; Ruth Goodman explores minty mouthwash marketing.

For her pups to survive, a young meerkat queen must unite her family in the face of rivals, predators and immense dust storms in the harsh beauty of the Madgadikgadi salt pans of Botswana.

The Trappist-1 stellar system is home to seven Earth-like planets, and one of them could harbor life; rival teams of visionary pioneers use data to extrapolate entire worlds, leading the search for life on other planets throughout the universe.

Tiger cubs that are only a few days old are prey for almost anything; hidden cameras follow the lives of tiger cubs growing up in India's jungle.

The Northern mainland coast of the Northwest Territories is a dazzling contrast in scenery - from the Smoking Hills of Bathurst peninsula - to the ethereal Tuktoyaktuk Peninsula - to the locality that shares its name.

Shipwrecks in the Caribbean become artificial reefs that support marine life.

The waters near the Florida Keys are home to as many as 1,000 shipwrecks.

On the intimidating shores of the Atlantic Ocean, six Indigenous strangers must come together in order to survive without food or modern technology; after a difficult canoe paddle, they work to set up camp before nightfall.

Needing to repair canoes, and find food, the adventurers are grateful to learn fire-making even as tensions rise; a snake in the grass might be their best chance at a meal.

Zoom in on some otherworldly sights. Spot a giant glacier on the Red Planet, let the milky seas off the coast of Java bathe your vision, ponder a huge hexagon floating above Saturn, and take a spin around a doughnut-shaped lake in Saskatchewan.

Griff Rhys Jones explores the province of Ontario.

Asia is the largest and most extreme continent on the planet, stretching from the Arctic Circle to the tropical forests on the Equator.

The anticipation of the annual Great Migration is being felt by all of the Serengeti's families as they wait with great desperation for it to arrive; the land continues to get hotter and hunger starts to bite as food becomes even more scarce.

The long-awaited arrival of the Great Migration brings opportunities and food in abundance, but it also increases conflict as every one of the Serengeti's families is put to the test.

The dry season is now upon the animals of the Serengeti, turning the waterhole into a death trap for the herds, but for some this season is a gift.

It's time to close another chapter in the lives of the animals of the Serengeti; first, all around is a blackened wasteland, the aftermath of the huge fire.

For her pups to survive, a young meerkat queen must unite her family in the face of rivals, predators and immense dust storms in the harsh beauty of the Madgadikgadi salt pans of Botswana.

Gregg explores a coffee factory that produces 175,000 jars of coffee everyday; Cherry learns about coffee chemistry.

From freshwater jungle ponds to the dark depths of the open ocean, air breathing mammals have found ways to overcome the challenges of a life in water.

The big blue is the world's greatest wilderness, far from shore and many kilometers deep.

Brian explores one of the greatest mysteries in physics: time.

Kayaking the white water of the Russian peninsula of Kamchatka; examining brown bears in the wilderness.

The big blue is the world's greatest wilderness, far from shore and many kilometers deep.

Brian explores one of the greatest mysteries in physics: time.

Kayaking the white water of the Russian peninsula of Kamchatka; examining brown bears in the wilderness.

The Earth's surface is changing faster than ever in human history: cities grow, forests disappear and glaciers melt; a man feeds thousands of parakeets in a city; in Sumatra, a female orangutan and her daughter face life in a forest under threat.

A look at Isaac Newton;a visit to CERN.

Journey along the MacKenzie River Delta southwest following the winter ice road before ending in the transportation and cultural hub of the area, Inuvik.

Cinematic shipwrecks of the Bahamas.

An island of the coast of Honduras stands out as a holiday resort hot spot, and more than just sun and sand brings the tourists in droves; divers consider the island a paradise of shipwrecks scattered from all corners of the the island to explore.

Tempers flare after the group tries hunting for food, when the journey and personalities prove more challenging than anyone expected; in the aftermath of a fight, Theresa and Joshua question if they have what it takes to continue.

Daybi struggles to make amends as the group tackles a grueling paddle on the open ocean; they once again leave little time to erect a shelter finished before nightfall.

Explore strongholds abandoned by their architects. Look at a lost city in the Amazon jungle, see a desert fortress made by humanity's most notorious empire, explore a city of identical castles, and examine a Greek isle's bloody history from the air.

British comedian and travel enthusiast Griff Rhys Jones explores the Frozen Wilds of Canada's North, in the province of Manitoba. From Winnipeg to Churchill, he travels from the Country's coldest City, to a town with more polar bears than people. He tries his hand at dog-sledding and does his best not to freeze, all the while exploring what it is that entices people to the cold, and why the North is so important to Canada.

Alaskans soldier through the heart of dark winter in pursuit of the resources they desperately need for survival.

Gregg Wallace explores the Vale of Mowbray pork pie factory in Northallerton, Yorkshire, which began making pork pies in 1928; he visited the factory in May 2022, following production of their 75g snack-sized traditional pork pie.

Probing the chemistry behind an essential UK treat and flip for perfect pancakes.

Wallace visits a Yorkshire team that churns out up to 90,000 vegan sausages a day; Cherry Healey discovers how Canadian soybeans are transformed into protein-packed tofu.

Gregg Wallace explores an Ambrosia factory that makes up to 360,000 rice puddings daily; Cherry Healey finds out how Alps fresh water is used to grow over a million tonnes of rice annually.

Gregg visits a factory that churns out 32 million mints per day; Cherry Healey visits the largest sugar beet factory in Europe; Ruth Goodman explores minty mouthwash marketing.

Borneo is the richest rainforest island of all; home to 40,000 species of plants and animals, 6,000 of them are unique, and more are discovered almost daily.

The big blue is the world's greatest wilderness, far from shore and many kilometers deep.

From ice covered seas to snow-capped mountains, mammals have conquered the cold, living in the most inhospitable places on Earth thanks to their intelligence and adaptations.

Professor Brian Cox traces the development of the four rocky worlds closest to the sun: Mercury, Venus, Earth and Mars; born together, they battled the unbelievable violence of the early solar system to become stable planets.

There are not five separate oceans, but one; its waters linked by powerful forces that keep them on the move.

From ice covered seas to snow-capped mountains, mammals have conquered the cold, living in the most inhospitable places on Earth thanks to their intelligence and adaptations.

There are not five separate oceans, but one; its waters linked by powerful forces that keep them on the move.

Gregg Wallace explores the Vale of Mowbray pork pie factory in Northallerton, Yorkshire, which began making pork pies in 1928; he visited the factory in May 2022, following production of their 75g snack-sized traditional pork pie.

Probing the chemistry behind an essential UK treat and flip for perfect pancakes.

Wallace visits a Yorkshire team that churns out up to 90,000 vegan sausages a day; Cherry Healey discovers how Canadian soybeans are transformed into protein-packed tofu.

Gregg Wallace explores an Ambrosia factory that makes up to 360,000 rice puddings daily; Cherry Healey finds out how Alps fresh water is used to grow over a million tonnes of rice annually.

Allison and Barry try to shampoo a porcupine; a returning patient is released.

From the waters of Juan de Fuca Strait to Gulf Islands National Park Reserve.

Tower over amazing metropolises. Learn why an important urban centre is sinking toward oblivion, soar over sprawling ruins buried under Saharan sands, learn the modern secret of an ancient fortress, and eye a ghost town on the edge of the Gobi.

Hope and Allison look to gain more experience with pelicans by heading to southern California.

A rich mix of coastal towns, islands, inland mountains and seascapes from Nanaimo to Campbell River.

Get petrified by cryptic rock structures normally hidden from view. Look inside curious dwellings in the Peruvian Andes, visit a sacred monolith in Wyoming's Black Hills, haunt a Turkish stone village, and spot an immovable waterfall in Mexico.

The now half-grown cubs must learn the skills they'll need as adults.

Gregg Wallace discovers how one of Britain's largest bakeries makes up to 1.5 million loaves of bread each week; he also uncovers the secrets to baking 4,000 loaves at once.

Satellites follow an elephant family struggling through drought, reveal previously unknown emperor penguin colonies from the color of their poo and discover mysterious ice rings that could put seal pups in danger.

From ice covered seas to snow-capped mountains, mammals have conquered the cold, living in the most inhospitable places on Earth thanks to their intelligence and adaptations.

Professor Brian Cox traces the development of the four rocky worlds closest to the sun: Mercury, Venus, Earth and Mars; born together, they battled the unbelievable violence of the early solar system to become stable planets.

Kayaking the white water of the Russian peninsula of Kamchatka; examining brown bears in the wilderness.

Gregg Wallace discovers how one of Britain's largest bakeries makes up to 1.5 million loaves of bread each week; he also uncovers the secrets to baking 4,000 loaves at once.

A mother puma must battle rivals, tackle prey nearly three times her size and endure the wild mountain weather of Patagonia in her bid to raise four cubs, her biggest litter yet.

Eco-innovators introduce Zac and Darin to unique and cost-effective ways to address complex problems and help heal the environment.

The remarkable story of how the Hubble Space Telescope has revealed the awe and wonder of our universe.

With scientists sending space probes to the furthest reaches of the solar system and beyond, the scientific search for alien life has begun; inspired by a childhood love of science fiction, Brian still hopes to hear from ET.

Eco-innovators introduce Zac and Darin to unique and cost-effective ways to address complex problems and help heal the environment.

The remarkable story of how the Hubble Space Telescope has revealed the awe and wonder of our universe.

With scientists sending space probes to the furthest reaches of the solar system and beyond, the scientific search for alien life has begun; inspired by a childhood love of science fiction, Brian still hopes to hear from ET.

Gregg Wallace discovers how one of Britain's largest bakeries makes up to 1.5 million loaves of bread each week; he also uncovers the secrets to baking 4,000 loaves at once.

A mother puma must battle rivals, tackle prey nearly three times her size and endure the wild mountain weather of Patagonia in her bid to raise four cubs, her biggest litter yet.

Satellites follow an elephant family struggling through drought, reveal previously unknown emperor penguin colonies from the color of their poo and discover mysterious ice rings that could put seal pups in danger.

The now half-grown cubs must learn the skills they'll need as adults.

Hope learns all she can from a birds of prey rehab.

From scenic Telegraph Cove, around Cape Scott Provincial Park, and beyond.

Witness jaw-dropping animal spectacles from high above the Earth. Watch a whirling herd of northern nomads, see undersea behemoths show off in the Pacific shallows, track a US porcine stampede, and confront top ocean predators on the Florida coast.

Gators, tortoises and stunning seabirds of southwest Florida.

A collection of scenic towns, parks and coastal rainforest unique in the world.

A vanished Neolithic structure in an Irish farmer's field, an ancient oasis in the remote reaches of a Chinese desert, a centuries-old buried treasure in the UK and a dreaded predator in the Pacific Ocean are discovered by accident using drones.

The cubs' mother loses patience as they learn to hunt on their own.

Gregg Wallace is inside one of the world's largest chocolate factories in York to discover how they produce a staggering 7 million bars a day. He follows the incredible 24 hour journey - from bean to bar - of one of our best-selling chocolates.

The Australian outback is covered in pale spots, the work of wombats; a clearing in the green canopy of the Congo rainforest has been created by an elephant gathering; the twists and turns of the Amazon make a home for rehabilitated manatees.

Eco-innovators introduce Zac and Darin to unique and cost-effective ways to address complex problems and help heal the environment.

The remarkable story of how the Hubble Space Telescope has revealed the awe and wonder of our universe.

With scientists sending space probes to the furthest reaches of the solar system and beyond, the scientific search for alien life has begun; inspired by a childhood love of science fiction, Brian still hopes to hear from ET.

Gregg Wallace is inside one of the world's largest chocolate factories in York to discover how they produce a staggering 7 million bars a day. He follows the incredible 24 hour journey - from bean to bar - of one of our best-selling chocolates.

In Amboseli, Kenya, an incredibly rare drought event pushes a struggling elephant family to its limits as their only chance to save their dynasty is to work together and overcome the challenge of a lifetime.

A race to find the planet's 60 deadliest creatures.

A race to find the planet's 60 deadliest creatures.

Gregg Wallace visits the Manchester factory that produces 700,000 toilet rolls a day; he starts his journey in Sweden, where the raw material, wood, is harvested from a sustainable forest of a billion spruce trees.

A race to find the planet's 60 deadliest creatures.

A race to find the planet's 60 deadliest creatures.

Gregg Wallace visits the Manchester factory that produces 700,000 toilet rolls a day; he starts his journey in Sweden, where the raw material, wood, is harvested from a sustainable forest of a billion spruce trees.

Gregg Wallace is inside one of the world's largest chocolate factories in York to discover how they produce a staggering 7 million bars a day. He follows the incredible 24 hour journey - from bean to bar - of one of our best-selling chocolates.

In Amboseli, Kenya, an incredibly rare drought event pushes a struggling elephant family to its limits as their only chance to save their dynasty is to work together and overcome the challenge of a lifetime.

The Australian outback is covered in pale spots, the work of wombats; a clearing in the green canopy of the Congo rainforest has been created by an elephant gathering; the twists and turns of the Amazon make a home for rehabilitated manatees.

The cubs' mother loses patience as they learn to hunt on their own.

Hope and Barry travel to Texas where not everyone agrees on how to help wildlife.

BC's lower mainland is a mix of remote mountain ranges, spectacular cityscapes and marine life.

A Nazi weapon designed to turn the tides of WWII in Northern France; a secret Russian military tower in the shadow of the Chernobyl disaster; a forgotten Australian tunnel rumored to hide a nuclear lab; something shocking buried under Alcatraz.

Traveling to San Diego, Hope and Allison look to learn how to handle huge caseloads and dangerous animals.

The Sea to Sky corridor reveals one of the west coast's most iconic landscapes.

Over a hundred massive concrete arrows scattered across America; a giant chalk figure with an oversized phallus on an English hillside; a mysterious hole in the middle of a lake in Southern California.

Emperor penguins cross a dangerous frozen sea to reach their breeding grounds; rockhoppers brave stormy seas and a 300-foot cliff; tropical humboldt penguins face sea lions and vampire bats as they make their way to their desert nests.

Gregg Wallace gets exclusive access to one of the largest fresh milk processing plants on earth to see how they get milk from cow to carton in less than 24 hours. He reveals how one factory can process 2000 litres of milk in under a minute.

From space, satellite cameras reveal that Earth is a kaleidoscope of color; turquoise plankton blooms trigger a feeding frenzy, China turns yellow with rapeseed flowers, and mysterious green lights appear in the ocean.

A race to find the planet's 60 deadliest creatures.

A race to find the planet's 60 deadliest creatures.

Gregg Wallace visits the Manchester factory that produces 700,000 toilet rolls a day; he starts his journey in Sweden, where the raw material, wood, is harvested from a sustainable forest of a billion spruce trees.

Gregg Wallace gets exclusive access to one of the largest fresh milk processing plants on earth to see how they get milk from cow to carton in less than 24 hours. He reveals how one factory can process 2000 litres of milk in under a minute.

On Zambia's plains, a cheetah mother and her three growing daughters must travel thousands of kilometers every year to roam their vast territory searching for food; new challenges arise as the wet season arrives and floodwaters advance.