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.

High above the city of Gibraltar, Barbary macaques, Europe's only non-human primates, live lives full of kidnappings and high drama; in the cemeteries of Vienna Grave Robbing European hamsters do battle with each other for food.

Humans are changing our planet so rapidly, it's affecting earth's life support systems: our weather, our oceans and the living world.

The Namib Desert is one of the oldest deserts of all; it's also one of the most diverse; with 50-degree temperatures and half a millimetre of rainfall annually.

High above the city of Gibraltar, Barbary macaques, Europe's only non-human primates, live lives full of kidnappings and high drama; in the cemeteries of Vienna Grave Robbing European hamsters do battle with each other for food.

Humans are changing our planet so rapidly, it's affecting earth's life support systems: our weather, our oceans and the living world.

The Namib Desert is one of the oldest deserts of all; it's also one of the most diverse; with 50-degree temperatures and half a millimetre of rainfall annually.

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.

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.

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.

Incredible stories of wildlife rescue and rehabilitation.

The Sunshine coast features world famous mountain ranges, forest landscapes and iconic towns.

A Turkish drought reveals a long-lost ancient Basilica and its secrets; a church spire punches through the surface of a toxic sludge in Romania; the hull of a massive ship in the North Sea answers decades old questions.

It is Hope's open house and with it brings incredible releases; Hope hears news that will change everything.

Exploring offshore islands, inland volcanoes and forgotten World War II defense fortifications north of Powell River.

Nubian pyramids reveal the rise of female power in Ancient Kush; a shocking satellite image uncovers secrets of an ancient ancestral Puebloan site in New Mexico.

The male penguins hand over their newborns to the returning females.

Gregg Wallace takes an exclusive tour of Kellogg's massive Manchester factory to discover, step-by-step, what it takes to produce a million boxes of cereal every day; Cherry Healey discovers how special nutrients are added to cereal.

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.

High above the city of Gibraltar, Barbary macaques, Europe's only non-human primates, live lives full of kidnappings and high drama; in the cemeteries of Vienna Grave Robbing European hamsters do battle with each other for food.

Humans are changing our planet so rapidly, it's affecting earth's life support systems: our weather, our oceans and the living world.

The Namib Desert is one of the oldest deserts of all; it's also one of the most diverse; with 50-degree temperatures and half a millimetre of rainfall annually.

Gregg Wallace takes an exclusive tour of Kellogg's massive Manchester factory to discover, step-by-step, what it takes to produce a million boxes of cereal every day; Cherry Healey discovers how special nutrients are added to cereal.

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

A new generation of survivalists are put to the test in the frozen Arctic.

It's officially the third-highest snowfall in Manitoba in the last century; commercial fishers are plagued by deep drifts and hidden pockets of slush that can stop them in their tracks; Chris finds out the hard way that traveling alone is a bad idea.

In Australia, the worst bushfires in recent history attack multiple towns - overwhelming firefighters and trapping tourists; The Philippines is usually resilient to natural disasters, but a 6.4 magnitude earthquake catches everyone off-guard.

A new generation of survivalists are put to the test in the frozen Arctic.

It's officially the third-highest snowfall in Manitoba in the last century; commercial fishers are plagued by deep drifts and hidden pockets of slush that can stop them in their tracks; Chris finds out the hard way that traveling alone is a bad idea.

In Australia, the worst bushfires in recent history attack multiple towns - overwhelming firefighters and trapping tourists; The Philippines is usually resilient to natural disasters, but a 6.4 magnitude earthquake catches everyone off-guard.

Gregg Wallace takes an exclusive tour of Kellogg's massive Manchester factory to discover, step-by-step, what it takes to produce a million boxes of cereal every day; Cherry Healey discovers how special nutrients are added to cereal.

On the vast Zambian plains, a clan of hyenas must pull together to survive; the seemingly desolate territory could be the key to their success, and holding onto it until the wildebeest return will be vital for the clan's survival.

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.

The male penguins hand over their newborns to the returning females.

The first mammal of the year is born.

BC's inland waterways.

Strange markings in the remote reaches of Northern Finland; drones find a Manhattan-sized mystery in the depths of a Vietnamese cave; secrets are no longer hidden in the Antarctic; a lost sky-high world in Mozambique gets a visit from above.

Hope struggles to save a seal for the first time.

An epic, high-altitude journey from Seven Sisters Provincial Park to Salmon Glacier.

Drones reveal what's left of Henry Ford's American suburb in the Brazilian jungle; clues to what killed a once-vibrant Pennsylvania mining town; an aerial glimpse of New York's forgotten ghost town; an Italian Renaissance reduced to dust.

The chicks are getting more independent.

Gregg Wallace follows 27 tons of potatoes from a farm in Hampshire, England, through the largest crisp factory on Earth, as they are peeled, sliced and fried to make more than five million packets of crisps every 24 hours.

Two brilliant physicists, Albert Einstein and Stephen Hawking have each defined humanity's understanding of the universe but their beliefs on how it works do not always align.

A new generation of survivalists are put to the test in the frozen Arctic.

It's officially the third-highest snowfall in Manitoba in the last century; commercial fishers are plagued by deep drifts and hidden pockets of slush that can stop them in their tracks; Chris finds out the hard way that traveling alone is a bad idea.

In Australia, the worst bushfires in recent history attack multiple towns - overwhelming firefighters and trapping tourists; The Philippines is usually resilient to natural disasters, but a 6.4 magnitude earthquake catches everyone off-guard.

Gregg Wallace follows 27 tons of potatoes from a farm in Hampshire, England, through the largest crisp factory on Earth, as they are peeled, sliced and fried to make more than five million packets of crisps every 24 hours.

High in the mountains of Morocco lives a descendant of a long line of macaque rulers who has been in charge of her troupe for many winters - one of the longest recorded reigns of an alpha - but this year is likely to be her last.

The incredible story of how Pluto has been propelled from an unremarkable ball of ice on the edge of the solar system to a world of unimaginable complexity; one where some form of alien life might even exist.

Brian takes a fresh look at the astonishing concept of gravity.

The same 92 elements that exist on Earth can be found throughout the cosmos.

The incredible story of how Pluto has been propelled from an unremarkable ball of ice on the edge of the solar system to a world of unimaginable complexity; one where some form of alien life might even exist.

Brian takes a fresh look at the astonishing concept of gravity.

The same 92 elements that exist on Earth can be found throughout the cosmos.

Gregg Wallace follows 27 tons of potatoes from a farm in Hampshire, England, through the largest crisp factory on Earth, as they are peeled, sliced and fried to make more than five million packets of crisps every 24 hours.

High in the mountains of Morocco lives a descendant of a long line of macaque rulers who has been in charge of her troupe for many winters - one of the longest recorded reigns of an alpha - but this year is likely to be her last.

Two brilliant physicists, Albert Einstein and Stephen Hawking have each defined humanity's understanding of the universe but their beliefs on how it works do not always align.

The chicks are getting more independent.

From the district of Inuvik - travel west - above the MacKenzie Delta - open tundra - and the Richardson Mountains - to the northernmost land separating Canada and the US.

Mexico's Yucatan Peninsula houses ships converted to artificial reefs.

Elk and moose live beside bears and wolves where the mountains cross international borders.

Everyone is left shocked after an adventurer calls it quits and leaves the journey for good; the remaining five are torn apart, as some look to potentially branch off on their own.

The strain and stress of two camps affects everyone, with Karly not sure if they should ever reunite, and Theresa struggling to keep everyone moving forward on the journey.

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.

British comedian and travel enthusiast Griff Rhys Jones explores the prairies and vast sprawling plains of both Saskatchewan and Alberta provinces. He discovers that far from empty, they hide a diversity of riches, from ancient buffalo herds to dinosaur fossils and acres of cultivated farmland.

High above the city of Gibraltar, Barbary macaques, Europe's only non-human primates, live lives full of kidnappings and high drama; in the cemeteries of Vienna Grave Robbing European hamsters do battle with each other for food.

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.

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.

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.

On the vast Zambian plains, a clan of hyenas must pull together to survive; the seemingly desolate territory could be the key to their success, and holding onto it until the wildebeest return will be vital for the clan's survival.

High in the mountains of Morocco lives a descendant of a long line of macaque rulers who has been in charge of her troupe for many winters - one of the longest recorded reigns of an alpha - but this year is likely to be her last.

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.

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.

From forests to undersea prairies, it is the green of the sea that brings life to oceans.

Brian questions how far humans will go in their exploration of the cosmos.

Exploring an unmapped volcanic underworld in search of the longest lava tube in Arabia.

From forests to undersea prairies, it is the green of the sea that brings life to oceans.

Brian questions how far humans will go in their exploration of the cosmos.

Exploring an unmapped volcanic underworld in search of the longest lava tube in Arabia.

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 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.

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.

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.

Heading south from Inuvik, NWT - we embark on one of the world's great road trips - following the Northern half of the Dempster Highway - from Inuvik to the Arctic Circle.

Animals living in the harsh conditions of the mountain peaks.

The waterways of the Rocky Mountains are home to many creatures.

The adventurers are revitalized as they move further inland on the river and problems with their shelter are quickly overcome after another successful hunt; Joshua and Theresa grow closer than ever.

With the seasons turning, and food sources low, stress and loneliness push Jody to the edge, leaving the others wondering if they can continue with another loss.

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.

Griff uncovers what it is about living in the Pacific Northwest that makes people strive for happiness and what he learned on his journey across Canada.

A new generation of survivalists are put to the test in the frozen Arctic.

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.

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.

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.

Gregg Wallace takes an exclusive tour of Kellogg's massive Manchester factory to discover, step-by-step, what it takes to produce a million boxes of cereal every day; Cherry Healey discovers how special nutrients are added to cereal.

Gregg Wallace follows 27 tons of potatoes from a farm in Hampshire, England, through the largest crisp factory on Earth, as they are peeled, sliced and fried to make more than five million packets of crisps every 24 hours.

The Namib Desert is one of the oldest deserts of all; it's also one of the most diverse; with 50-degree temperatures and half a millimetre of rainfall annually.

From forests to undersea prairies, it is the green of the sea that brings life to oceans.

By pushing themselves and their bodies to the absolute limit, mammals like the camel, echidna, and vampire bat have found remarkable ways to beat the heat, surviving in some of the hottest places on Earth.

Brian learns that the solar system was once home to two blue planets.

Humans are changing our planet so rapidly, it's affecting earth's life support systems: our weather, our oceans and the living world.

By pushing themselves and their bodies to the absolute limit, mammals like the camel, echidna, and vampire bat have found remarkable ways to beat the heat, surviving in some of the hottest places on Earth.

Brian learns that the solar system was once home to two blue planets.

Humans are changing our planet so rapidly, it's affecting earth's life support systems: our weather, our oceans and the living world.

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.

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.

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.

Gregg Wallace takes an exclusive tour of Kellogg's massive Manchester factory to discover, step-by-step, what it takes to produce a million boxes of cereal every day; Cherry Healey discovers how special nutrients are added to cereal.

A new volunteer and a raven become roommates at the rehab.

An epic, high-altitude journey from Seven Sisters Provincial Park to Salmon Glacier.

As seen from space, a crater in Turkmenistan, is on fire; drones reveal perfect circles in the Namibian desert; A puzzle is solved by a World War 2 code breaker; Mystery of Death Valley's self-moving stones; Utah's strange electric blue ponds.

A black bear heads to Hope for Wildlife.

The creation legends of Naikoon Provincial Park; rich sea lion colonies; remote lighthouses.

A remote island linked to one of the world's most famous aviation mysteries; thousands of shipwrecks in the Bermuda triangle; a history lost and found in the South Pacific; a 10,000-year-old mystery in the murky depths of the Yucatan Peninsula.

First of a two part film offering a rare insight into the life of polar bears.

Gregg follows the journey of 27 tons of dried haricot beans from North America to the largest bean factory in the world.

Two brilliant physicists, Albert Einstein and Stephen Hawking have each defined humanity's understanding of the universe but their beliefs on how it works do not always align.

By pushing themselves and their bodies to the absolute limit, mammals like the camel, echidna, and vampire bat have found remarkable ways to beat the heat, surviving in some of the hottest places on Earth.

Brian learns that the solar system was once home to two blue planets.

Exploring an unmapped volcanic underworld in search of the longest lava tube in Arabia.

Gregg follows the journey of 27 tons of dried haricot beans from North America to the largest bean factory in the world.

David Attenborough explores plants in the tropical rain forest.

In the wake of Hurricane Maria, Zac explores sustainability in Puerto Rico where he meets chef José Andrés, milks a goat and eats ceviche.

Discovering how the moon shapes life on Earth.

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

In the wake of Hurricane Maria, Zac explores sustainability in Puerto Rico where he meets chef José Andrés, milks a goat and eats ceviche.

Discovering how the moon shapes life on Earth.

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

Gregg follows the journey of 27 tons of dried haricot beans from North America to the largest bean factory in the world.

David Attenborough explores plants in the tropical rain forest.

Two brilliant physicists, Albert Einstein and Stephen Hawking have each defined humanity's understanding of the universe but their beliefs on how it works do not always align.

First of a two part film offering a rare insight into the life of polar bears.

A daring deer rescue is captured on camera.

A cultural and geological past told through the stunning landscape of Gwaii Haanas National Park Reserve.

When seen from above, the pyramids of Giza align with the stars; survivors of Katrina find rescue when least expected; a volcano burns bright blue; a forgotten beach reveals its secrets.

Hitting the streets in Canada's biggest city.

From the San Juan Islands of Washington State to the Kootenays in the east, exploring the pristine, Pacific border region separating Canada and the United States.

Strange aquatic mammals populating a river in Columbia; A ship marooned in a sea of sand along Namibia's notorious Skeleton Coast; A Boeing 727 jetliner hidden in a pine forest; A giant, unusual pattern is discovered in the Nevada desert.

Second of a two part film offering a rare insight into the life of polar bears.

Gregg Wallace explores the largest bicycle factory in Britain, which produces 150 folding bicycles every 24 hours, and joins a multi-stage manual production line to make his very own bike.

Analyze the ways in which cold has shaped the physical world, and learn why the definition of frozen may require an update; meet scientists pushing frigid temps to their absolute limit, driving technological developments such as superconductors.

In the wake of Hurricane Maria, Zac explores sustainability in Puerto Rico where he meets chef José Andrés, milks a goat and eats ceviche.

Discovering how the moon shapes life on Earth.

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

Gregg Wallace explores the largest bicycle factory in Britain, which produces 150 folding bicycles every 24 hours, and joins a multi-stage manual production line to make his very own bike.

Exploring water plants, some of which can count and hunt; some water plants escape from animals by rolling away or creating bubbles.

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

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

Levison Wood is in Botswana hoping to follow the world's largest elephant migration for 650 miles on foot along ancient pathways, but he first must overcome dangers in the bush before tracking a large herd of female elephants.

Gregg Wallace explores a factory that produces 625,000 sausages a day; Cherry is at the University of Chester getting the lowdown on getting the best from a banger; Ruth Goodman is investigating how a German bratwurst became top dog.

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

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

Levison Wood is in Botswana hoping to follow the world's largest elephant migration for 650 miles on foot along ancient pathways, but he first must overcome dangers in the bush before tracking a large herd of female elephants.

Gregg Wallace explores a factory that produces 625,000 sausages a day; Cherry is at the University of Chester getting the lowdown on getting the best from a banger; Ruth Goodman is investigating how a German bratwurst became top dog.

Gregg Wallace explores the largest bicycle factory in Britain, which produces 150 folding bicycles every 24 hours, and joins a multi-stage manual production line to make his very own bike.

Exploring water plants, some of which can count and hunt; some water plants escape from animals by rolling away or creating bubbles.

Analyze the ways in which cold has shaped the physical world, and learn why the definition of frozen may require an update; meet scientists pushing frigid temps to their absolute limit, driving technological developments such as superconductors.

Second of a two part film offering a rare insight into the life of polar bears.

Hope fights a problem that kills millions of birds each year in Chicago.

Soaring high above the incredible landscapes along BC's Kootenay border region.

An enormous fiery vortex in Redding, California, the island nation of Malta loses a natural treasure, a mysterious radioactive hotspot is discovered near Chernobyl, and an unknown force lays waste to a mountain forest in Italian Alps.

A mysterious predator prowls the streets of a giant metropolis.

The vast and diverse terrain that lies at the border of Canada and the United States.

A long-forgotten network of Native American earthworks, a baffling battlefield mystery in Belgium, a mysterious blood red lake on a remote Greek island, and an eerie pink glow emulating form the middle of the Pacific Ocean.

Gordon Buchanan joins Dr. Victor Lukarevsky in Russia to attempt to rehabilitate two pairs of lynx held captive for years.

Gregg Wallace lends a hand unloading a tanker of sugar, and follows its path through a factory to learn how the workers transform it into sweets.

Helen Czerski reveals how life began when hot met cold, and how every single living creature on Earth depends on temperature for its survival; she witnesses the remarkable surgery that uses temperature to push the human body to the brink of life.

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

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

Levison Wood is in Botswana hoping to follow the world's largest elephant migration for 650 miles on foot along ancient pathways, but he first must overcome dangers in the bush before tracking a large herd of female elephants.

Gregg Wallace explores a factory that produces 625,000 sausages a day; Cherry is at the University of Chester getting the lowdown on getting the best from a banger; Ruth Goodman is investigating how a German bratwurst became top dog.

Gregg Wallace lends a hand unloading a tanker of sugar, and follows its path through a factory to learn how the workers transform it into sweets.

Plants use strategy, deception and feats of engineering in order to survive the challenges posed by the different seasons.

Icy Antarctica is a land of survivors enduring the most hostile conditions on Earth.

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

At the very end of East Africa's Great Rift Valley, there's a "land that time forgot" ; the rolling grasslands of the Luangwa Valley.

Icy Antarctica is a land of survivors enduring the most hostile conditions on Earth.

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

At the very end of East Africa's Great Rift Valley, there's a "land that time forgot" ; the rolling grasslands of the Luangwa Valley.

Gregg Wallace lends a hand unloading a tanker of sugar, and follows its path through a factory to learn how the workers transform it into sweets.

Plants use strategy, deception and feats of engineering in order to survive the challenges posed by the different seasons.

Helen Czerski reveals how life began when hot met cold, and how every single living creature on Earth depends on temperature for its survival; she witnesses the remarkable surgery that uses temperature to push the human body to the brink of life.

Gordon Buchanan joins Dr. Victor Lukarevsky in Russia to attempt to rehabilitate two pairs of lynx held captive for years.

Hope gets hurt; an owl gets a nasty welcome back to the wild.

Exploring the landscape and archaeology of Alberta's foothills and badlands from Calgary to Drumheller.

An underwater discovery from a violent past; strange open ocean spirals off the coast of Australia; a mysterious concrete ghost island; never-seen-before tracks discovered along the seabed.

Hope travels to the jungles of Costa Rica to meet front line wildlife rescuers.

Exploring the frontier region of Saskatchewan from Cypress Hills Provincial Park to the open prairie lining the 49th parallel.

Reveal the truth behind the planet's oldest legends. Tour an island covered in polar bears, see bizarre twin craters in Greece, peek at a supervolcano hidden under Yellowstone Park, and examine an ocean formation that's eerily similar to Atlantis.

Gordon Buchanan returns to Russia to help Dr. Victor Lukarevsky prepare rehabilitated lynx for release back in the wild.

Gregg Wallace joins a human production line in the largest sports shoe factory in the U.K. to see how they put together 27 different pieces made from eight different materials.

Dr. Helen Czerski reveals how the harnessing of heat's power to transform matter has led to some of humanity's greatest achievements, from molten metal that enabled us to make tools to the searing heat of plasmas that offer near unlimited power.

Icy Antarctica is a land of survivors enduring the most hostile conditions on Earth.

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

At the very end of East Africa's Great Rift Valley, there's a "land that time forgot" ; the rolling grasslands of the Luangwa Valley.

Gregg Wallace joins a human production line in the largest sports shoe factory in the U.K. to see how they put together 27 different pieces made from eight different materials.

A new generation of survivalists are put to the test in the frozen Arctic.

Alaska is a challenging place, but tenacity of the spirit makes it home.

With less than a month left in the fishing season, all crews are desperate to catch their remaining quota, and failing to do so means leaving money on the table; Justin and Mike are fighting to hit their target.

In Tennessee, a violent tornado touches down in downtown Nashville - interrupting a live news broadcast and raking through the city; at the Hamma Hamma Falls, a kayaker races to rescue his friend from a terrifying ordeal.

Alaska is a challenging place, but tenacity of the spirit makes it home.

With less than a month left in the fishing season, all crews are desperate to catch their remaining quota, and failing to do so means leaving money on the table; Justin and Mike are fighting to hit their target.

In Tennessee, a violent tornado touches down in downtown Nashville - interrupting a live news broadcast and raking through the city; at the Hamma Hamma Falls, a kayaker races to rescue his friend from a terrifying ordeal.

Gregg Wallace joins a human production line in the largest sports shoe factory in the U.K. to see how they put together 27 different pieces made from eight different materials.

Exploring the hostile world of the desert and how plants survive by using weapons, camouflage and surprising alliances with animals.

Dr. Helen Czerski reveals how the harnessing of heat's power to transform matter has led to some of humanity's greatest achievements, from molten metal that enabled us to make tools to the searing heat of plasmas that offer near unlimited power.

Gordon Buchanan returns to Russia to help Dr. Victor Lukarevsky prepare rehabilitated lynx for release back in the wild.

Hope discovers a horrifying problem in Costa Rica where man and monkey cross paths.

Journey along the Manitoba-United States border's wide-open frontier with incredible landscapes and stories of human migration.

Walking among colossal wonders scattered across the Earth's surface, including an ancient reptile skeleton, a massive head carving in the Alberta badlands, a giant South African footprint, and a pentagram etched into a remote peninsula in Kazakhstan.

Spring patients are ready to return to the wild.

An aerial journey along the shores of Lake Superior, exploring the city of Thunder Bay and the vast, natural wonders of the world's largest freshwater lake.

Traipsing along ancient pathways criss-crossing Easter Island; finding gigantic designs carved into Asia's Eastern Steppe; ascending a tall pyramid rising from Antarctica's icy landscape.

David Attenborough reveals how the unique and bizarre wildlife of the Galápagos Islands is adapting to a human revolution.

Gregg Wallace receives a load of tea leaves from Kenya and follows their journey through the factory that produces one quarter of all the tea drunk in Britain.

Meeting the scientists, entrepreneurs, and tech wizards at the heart of the global metamorphosis of 5G; learning how blazing-fast wireless connections will transform home and work; getting a peek at futuristic devices and services.

Alaska is a challenging place, but tenacity of the spirit makes it home.

With less than a month left in the fishing season, all crews are desperate to catch their remaining quota, and failing to do so means leaving money on the table; Justin and Mike are fighting to hit their target.

In Tennessee, a violent tornado touches down in downtown Nashville - interrupting a live news broadcast and raking through the city; at the Hamma Hamma Falls, a kayaker races to rescue his friend from a terrifying ordeal.

Gregg Wallace receives a load of tea leaves from Kenya and follows their journey through the factory that produces one quarter of all the tea drunk in Britain.

David Attenborough explains how humans help plants that are facing extinction, from projects in Africa to re-seeding the landscape to rebuilding a Brazilian rainforest tree.