Pioneers strive to protect the ocean from the effects of human activity.

With food in abundance it's a time of plenty in the Serengeti, but a series of unexpected events turns families against each other and stretches relationships to breaking point.

A day at the barbour factory shows how their weatherproof coats are waxed, stitched and riveted by a dedicated team at a rate of 650 jackets a day.

Host Gregg Wallace travels to the enormous Brioche Pasquier factory in France to find out the secrets to producing 336,000 croissants every day.

A mysterious predator prowls the streets of a giant metropolis.

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

A journey on Scotland's River Spey, traveling from its source in the Highlands, winding by boat through the mountains to where the river meets the North Sea.

A journey along Ireland's longest river, the Shannon, through an emerald green landscape of rolling hills and sparkling waters; how Vikings, monks and kings have all made their mark.

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.

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.

A journey along Ireland's longest river, the Shannon, through an emerald green landscape of rolling hills and sparkling waters; how Vikings, monks and kings have all made their mark.

Catch some zees after Gregg learns how a Leeds factory turns steel and natural fibres into 600 pocket-spring mattresses a day; optimize your nap habits with Cherry, look back on mattress history, and dive into our enduring love affair with duvets.

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

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.

Animals fight to survive extremes, from tundra to deserts, mountain summits to deep underground.

Wonders created by life itself include the Amazon and a father and son brave killer bees in Bangladesh.

Catch some zees after Gregg learns how a Leeds factory turns steel and natural fibres into 600 pocket-spring mattresses a day; optimize your nap habits with Cherry, look back on mattress history, and dive into our enduring love affair with duvets.

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.

Alaskans enter a new dawn in the Arctic winter.

Chris starts his season with a massive catch of Tullibee, only to see his happiness cut short; Justin and Mike start in Hecla and hit the motherlode; a critical fish market closes; Richard's close call on the ice.

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 enter a new dawn in the Arctic winter.

Chris starts his season with a massive catch of Tullibee, only to see his happiness cut short; Justin and Mike start in Hecla and hit the motherlode; a critical fish market closes; Richard's close call on the ice.

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.

Hannah goes behind the scenes to look at the technology behind the lift; along the way, she finds out how coal mines made lifts safer, gets to grips with a piece of medieval siege technology, and discovers how a PR stunt changed the modern skyline.

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

From dolphins to cuttlefish, ocean animals possess emotions and behavior similar to humans, including the capacity to love, grieve, deceive and invent.

Uncovering surprising undersea relationships and connections as sharks befriend fish and whales play with dolphins.

Hope and Dr. Barry journey to Central America to meet frontline wildlife rescuers in the jungles of Costa Rica.

Hope and Dr. Barry discover a horrifying problem in Costa Rica where man and monkey cross paths.

The journey down the attraction-packed Niagara River is filled with adventure and beauty; navigating the fascinating history and engineering of this border river between Canada and the United States, arriving at the world-famous Niagara Falls.

A breathtaking journey down the German section of the beautiful Moselle river, famous for vineyards on its dramatically steep banks and remarkable meandering loops.

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.

Drones reveal what's left of Henry Ford's American suburb in the Brazilian jungle; looking for 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.

A breathtaking journey down the German section of the beautiful Moselle river, famous for vineyards on its dramatically steep banks and remarkable meandering loops.

An all-access tour of the Ginsters bakery in Cornwall reveals the many steps and strict rules to mass-producing a popular British treat, the Cornish pasty.

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

Alaskans enter a new dawn in the Arctic winter.

Chris starts his season with a massive catch of Tullibee, only to see his happiness cut short; Justin and Mike start in Hecla and hit the motherlode; a critical fish market closes; Richard's close call on the ice.

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.

An all-access tour of the Ginsters bakery in Cornwall reveals the many steps and strict rules to mass-producing a popular British treat, the Cornish pasty.

As the Serengeti starts to dry out, competition heats up between the families; the strong females take center stage, dealing with headstrong males and fighting for the survival of their kin.

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.

A look at Isaac Newton;a visit to CERN.

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.

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.

A look at Isaac Newton;a visit to CERN.

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.

Catch some zees after Gregg learns how a Leeds factory turns steel and natural fibres into 600 pocket-spring mattresses a day; optimize your nap habits with Cherry, look back on mattress history, and dive into our enduring love affair with duvets.

An all-access tour of the Ginsters bakery in Cornwall reveals the many steps and strict rules to mass-producing a popular British treat, the Cornish pasty.

As the Serengeti starts to dry out, competition heats up between the families; the strong females take center stage, dealing with headstrong males and fighting for the survival of their kin.

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 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.

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

Animals living in the harsh conditions of the mountain peaks.

A long portage breaks into a windy lake, but with a deft hand the three canoes take to the water and make good time.

Reunited by Knowledge Keeper Caleb Musgrave, the group of seven, with Cameron returning to those he once left, share a look back at their journey.

Exploring some of the most cavernous places on the planet, including an expansive Siberian crater with no explainable origin, Greenland's bizarre black holes, an ancient forbidden well in the Yemeni desert, and a voluminous void in Antarctica.

Griff explores the prairies and vast plains of Saskatchewan and Alberta provinces; he discovers that they hide a diversity of riches, from ancient buffalo herds to dinosaur fossils and acres of cultivated farmland.

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.

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

Coasts are the most changeable habitats of the ocean world.

Pioneers strive to protect the ocean from the effects of human activity.

With food in abundance it's a time of plenty in the Serengeti; a series of unexpected events turns families against each other and stretches relationships to breaking point.

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.

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.

Asia's jungles are beautiful and exceptionally diverse, but whilst they provide shelter, food, and opportunity, they are also full of dangers and hidden threats.

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

A look at how gravity affects the world, and even the solar system.

Steve Backshall travels from the icy waters of Alaska to the tropics to study the life of sharks.

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

A look at how gravity affects the world, and even the solar system.

Steve Backshall travels from the icy waters of Alaska to the tropics to study the life of sharks.

Hannah Fry visits headphone honchos Bose to find out how the teeny earbud tech works and meets the human testers with "golden ears.".

Hannah Fry discovers the hidden WWII radar technology that heats up baked beans; she learns the legend of the melted candy bar in an engineer's pocket that kick-started a kitchen revolution; she demonstrates why microwaves zap food but not people.

Hannah goes behind the scenes to look at the technology behind the lift; along the way, she finds out how coal mines made lifts safer, gets to grips with a piece of medieval siege technology, and discovers how a PR stunt changed the modern skyline.

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

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

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

Wildlife in the forest depends on a delicate balance of growth and destruction.

A look at Dr. Savannah's practice and what she's learning about Metis culture.

Savannah balances the medical needs of animals with the emotional bonds of the owners.

A perfect circle carved around an ancient peak; a scary phenomenon in the Pacific; strange shapes in a Middle Eastern desert; a formation below the ocean's surface.

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.

Alaskans enter a new dawn in the Arctic winter.

Gregg Wallace visits a cherry bakewell factory where they produce 250,000 little tarts every day.

A day at the barbour factory shows how their weatherproof coats are waxed, stitched and riveted by a dedicated team at a rate of 650 jackets a day.

Host Gregg Wallace travels to the enormous Brioche Pasquier factory in France to find out the secrets to producing 336,000 croissants every day.

Catch some zees after Gregg learns how a Leeds factory turns steel and natural fibres into 600 pocket-spring mattresses a day; optimize your nap habits with Cherry, look back on mattress history, and dive into our enduring love affair with duvets.

An all-access tour of the Ginsters bakery in Cornwall reveals the many steps and strict rules to mass-producing a popular British treat, the Cornish pasty.

Steve and the team are in Alaska, searching for humpback whales, sixgill sharks and bald eagles.

Grey wolves and bison in Yellowstone National Park; hellbenders in North Carolina.

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.

In the planet's most densely populated continent, animals live at extremely close quarters with people, from tigers making a home in town to elephants stopping traffic for food.

Brian learns about the oldest planet in the solar system Jupiter, which uses its size to manipulate other planets.

Animals fight to survive extremes, from tundra to deserts, mountain summits to deep underground.

In the planet's most densely populated continent, animals live at extremely close quarters with people, from tigers making a home in town to elephants stopping traffic for food.

Brian learns about the oldest planet in the solar system Jupiter, which uses its size to manipulate other planets.

Animals fight to survive extremes, from tundra to deserts, mountain summits to deep underground.

Gregg Wallace visits a cherry bakewell factory where they produce 250,000 little tarts every day.

A day at the barbour factory shows how their weatherproof coats are waxed, stitched and riveted by a dedicated team at a rate of 650 jackets a day.

Host Gregg Wallace travels to the enormous Brioche Pasquier factory in France to find out the secrets to producing 336,000 croissants every day.

Catch some zees after Gregg learns how a Leeds factory turns steel and natural fibres into 600 pocket-spring mattresses a day; optimize your nap habits with Cherry, look back on mattress history, and dive into our enduring love affair with duvets.

A bird is in trouble, but is it wildlife? Spring patients are ready to return to the wild.

The rehab is abuzz as Hope's open house approaches; a release at the birthplace of hockey goes offside; a deer doesn't want to depart.

New York's Hudson River stretches 315 miles through natural landscapes, from the Adirondack Mountains to the George Washington Bridge and Statue of Liberty.

Bill Nighy narrates a trip along the River Po, traveling across northern Italy from the snow-capped Alps to the delta where it meets the Adriatic Sea.

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 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.

Bill Nighy narrates a trip along the River Po, traveling across northern Italy from the snow-capped Alps to the delta where it meets the Adriatic Sea.

Many of the products we use every day travel through dozens of machines. This series whisks us inside some of the world's largest factories to give us an inside peek at what exactly goes into mass-manufacturing our favorite items.

Brett and Cliff travel north to the Yukon to try their hand at logging; they aim to find a suitable number of trees that can be cut down and floated to their final destination on the main river bank.

In the planet's most densely populated continent, animals live at extremely close quarters with people, from tigers making a home in town to elephants stopping traffic for food.

Brian learns about the oldest planet in the solar system Jupiter, which uses its size to manipulate other planets.

Steve Backshall travels from the icy waters of Alaska to the tropics to study the life of sharks.

Many of the products we use every day travel through dozens of machines. This series whisks us inside some of the world's largest factories to give us an inside peek at what exactly goes into mass-manufacturing our favorite items.

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.

In the aftermath of a devastating bushfire season, Zac and Darin learn about efforts to rehabilitate the wildlife and livestock population.

Levison and Alberto travel through Guatemala, Honduras and Nicaragua.

Levison Wood travels through Armenia and Europe's forgotten warzone Nagorno-Karabakh.

In the aftermath of a devastating bushfire season, Zac and Darin learn about efforts to rehabilitate the wildlife and livestock population.

Levison and Alberto travel through Guatemala, Honduras and Nicaragua.

Levison Wood travels through Armenia and Europe's forgotten warzone Nagorno-Karabakh.

An all-access tour of the Ginsters bakery in Cornwall reveals the many steps and strict rules to mass-producing a popular British treat, the Cornish pasty.

Many of the products we use every day travel through dozens of machines. This series whisks us inside some of the world's largest factories to give us an inside peek at what exactly goes into mass-manufacturing our favorite items.

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.

Hope Swinimer rescues, rehabilitates and releases thousands of animals each year, while struggling to make ends meet; she is driven by her compassion and belief that every animal matters.

A rare owl appears ready for release but everyone wonders if it will fly.

Bill Nighy leads a magical journey in the Norfolk Broads along England's holiday river, the River Bure; discovering a watery world where both wildlife and recreation go hand in hand.

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.

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.

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; an unusual pattern is discovered in the Nevada desert.

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.

Stir up some production-line excitement with Gregg at a Wigan soup factory; check out a 27.4 metre tall pressure cooker, discover why frozen veg are sometimes more nutritious than fresh with Cherry, and cook up a 17th century recipe with Ruth.

During the gold rush, prospectors from all over flock to the Klondike to try their hand at finding their fortune; Brett and Cliff build a rudimentary riverboat to float to the prime gold-panning locations.

In the aftermath of a devastating bushfire season, Zac and Darin learn about efforts to rehabilitate the wildlife and livestock population.

Levison and Alberto travel through Guatemala, Honduras and Nicaragua.

Levison Wood travels through Armenia and Europe's forgotten warzone Nagorno-Karabakh.

Stir up some production-line excitement with Gregg at a Wigan soup factory; check out a 27.4 metre tall pressure cooker, discover why frozen veg are sometimes more nutritious than fresh with Cherry, and cook up a 17th century recipe with Ruth.

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.

Steve travels to Tornado Alley, Texas; Steve goes fishing for an alligator gar, the largest fresh water fish in North America.

Steve goes diving with great white sharks off Guadalupe Island.

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

Steve travels to Tornado Alley, Texas; Steve goes fishing for an alligator gar, the largest fresh water fish in North America.

Steve goes diving with great white sharks off Guadalupe Island.

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

From a baby whale in danger to marine iguanas battling storms, a look at how animals survive when faced with challenges of the ocean.

Behind nature's winter wonderland are some of the toughest places to survive. Hidden cameras in a new generation of Spy Creatures reveal the fascinating behaviors of animals from penguins to parrots, polar bears to otters, wallabies, and wombats.

Brett and Cliff travel north to the Yukon to try their hand at logging; they aim to find a suitable number of trees that can be cut down and floated to their final destination on the main river bank.

During the gold rush, prospectors from all over flock to the Klondike to try their hand at finding their fortune; Brett and Cliff build a rudimentary riverboat to float to the prime gold-panning locations.

Two tiny orphans struggle to survive; Hope takes a second swing at a release gone wrong.

A most unusual fawn arrives on Hope's doorstep; a graveyard is the spooky setting for an unlikely reunion.

A journey down Spain's Guadalquivir River, from the high Sierra de Cazorla down to Andalusia; passing through Cordoba and Seville, following the footsteps of Columbus and Magellan.

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

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 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.

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

Gregg is in Ireland at a factory producing 450,000 bottles of cream liqueur a day; Cherry is at a plant where 85% of Ireland's bottles and jars are recycled; Ruth learns about the spiritual origins of liqueurs.

The Grand Banks off the coast of Newfoundland have been contested waters for hundreds of years, as the earliest cod fishermen build a thriving fishing industry; Brett and Cliff take on the North Atlantic as they try their hand at cod fishing.

Steve travels to Tornado Alley, Texas; Steve goes fishing for an alligator gar, the largest fresh water fish in North America.

Steve goes diving with great white sharks off Guadalupe Island.

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

Gregg is in Ireland at a factory producing 450,000 bottles of cream liqueur a day; Cherry is at a plant where 85% of Ireland's bottles and jars are recycled; Ruth learns about the spiritual origins of liqueurs.

In the planet's most densely populated continent, animals live at extremely close quarters with people, from tigers making a home in town to elephants stopping traffic for food.

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

Questions about how animals adapt to the worlds built by the planet's most invasive species, humans; a search for loot to steal with macaques in Bali; hunting for easy eats with bears in Lake Tahoe; whale poo help fish populations bounce back.

People surviving in the high Himalaya, the Canadian Arctic, and the blistering Australian outback.

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

Questions about how animals adapt to the worlds built by the planet's most invasive species, humans; a search for loot to steal with macaques in Bali; hunting for easy eats with bears in Lake Tahoe; whale poo help fish populations bounce back.

People surviving in the high Himalaya, the Canadian Arctic, and the blistering Australian outback.

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.

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.

Stir up some production-line excitement with Gregg at a Wigan soup factory; check out a 27.4 metre tall pressure cooker, discover why frozen veg are sometimes more nutritious than fresh with Cherry, and cook up a 17th century recipe with Ruth.

Gregg is in Ireland at a factory producing 450,000 bottles of cream liqueur a day; Cherry is at a plant where 85% of Ireland's bottles and jars are recycled; Ruth learns about the spiritual origins of liqueurs.

Two members of Hope's team travel to England to discover new techniques and make allies on the front lines of animal rescue.

Barry and Hayley's adventure in the UK continues at a rehab center where they use the latest in alternative therapies.

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.

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.

Dive into the historical and natural secrets of the deep; explore an uninhabited concrete island, ocean spirals off the Australian coast, underwater evidence of a violent past and tracks thousands of metres below the sea's surface.

Revealing the truth behind the planet's ancient legends; touring an island covered in polar bears, twin craters in Greece, peeking at a supervolcano hidden under Yellowstone Park and examining an ocean formation that's eerily similar to Atlantis.

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.

Gregg Wallace is in Essex, at a cereal bar factory which produces 400,000 fruit and nut packed treats a day; Gregg follows production from the arrival of two tonnes of macadamia nuts all the way through to dispatch.

During prohibition, men would regularly risk their lives to transport the goods; with the Great Lakes as the backdrop for this endeavour many men were lost; Brett and Cliff try their hands at bootlegging.

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

Questions about how animals adapt to the worlds built by the planet's most invasive species, humans; a search for loot to steal with macaques in Bali; hunting for easy eats with bears in Lake Tahoe; whale poo help fish populations bounce back.

People surviving in the high Himalaya, the Canadian Arctic, and the blistering Australian outback.

Gregg Wallace is in Essex, at a cereal bar factory which produces 400,000 fruit and nut packed treats a day; Gregg follows production from the arrival of two tonnes of macadamia nuts all the way through to dispatch.

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

Alaska residents labor their way through winter's challenges.

Frightening ice conditions and poor weather make the early season treacherous; Justin and Mike experience a violent ice-quake that leaves them rattled; Trevor contends with other fishermen setting their nets too close to his.

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.

Alaska residents labor their way through winter's challenges.

Frightening ice conditions and poor weather make the early season treacherous; Justin and Mike experience a violent ice-quake that leaves them rattled; Trevor contends with other fishermen setting their nets too close to his.

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.

The Grand Banks off the coast of Newfoundland have been contested waters for hundreds of years, as the earliest cod fishermen build a thriving fishing industry; Brett and Cliff take on the North Atlantic as they try their hand at cod fishing.

During prohibition, men would regularly risk their lives to transport the goods; with the Great Lakes as the backdrop for this endeavour many men were lost; Brett and Cliff try their hands at bootlegging.

Exploring animal emotion in all its forms, from the love and devotion of an elephant family, to dancing birds of paradise and flirting polar bears.

Tools, medicine and drugs can all be found in animal societies, including chimps that throw stones and hunt with spears, elephants that use branches as fly swatters, and lemurs that get intoxicated on the secretions of millipedes.

A bobcat kitten needs Hope's help but this little orphan causes big headaches.

Hope Swinimer rescues, rehabilitates and releases thousands of animals while struggling to make ends meet.

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.

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.

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.

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.

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.

Gregg Wallace visits the biggest cider factory in the world, which produces more than 350 million litres each year; the scale of production blows his mind, as at each turn he's confronted with huge machinery and incredible processes.

As pioneers settled North America, many ventured to find their own piece of paradise in the remote wilderness; homesteaders aim was to build a home for their families to grow and flourish; Brett and Cliff are determined they have what it takes.

Alaska residents labor their way through winter's challenges.

Frightening ice conditions and poor weather make the early season treacherous; Justin and Mike experience a violent ice-quake that leaves them rattled; Trevor contends with other fishermen setting their nets too close to his.

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 visits the biggest cider factory in the world, which produces more than 350 million litres each year; the scale of production blows his mind, as at each turn he's confronted with huge machinery and incredible processes.

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.

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

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.

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

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.

Gregg Wallace is in Essex, at a cereal bar factory which produces 400,000 fruit and nut packed treats a day; Gregg follows production from the arrival of two tonnes of macadamia nuts all the way through to dispatch.

Gregg Wallace visits the biggest cider factory in the world, which produces more than 350 million litres each year; the scale of production blows his mind, as at each turn he's confronted with huge machinery and incredible processes.

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.

Found on every continent, mountains create unique frozen worlds, home to extraordinary animals that must overcome the crushing conditions of the cold.

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

Many species survive by living in groups.

While some fishers struggle to finish the fall season in wild weather, the Kristjansons make a pilgrimage to their ancestral home, Iceland; back home, an early winter storm slams Gimli and commercial fishers risk life and limb.

There's a new employee at Rocky Rapids Vet. Clinic, Dr. Dayle Poitras, a newly graduated Métis vet excited about landing her first full-time gig; Savannah is keen to mentor young Dayle while learning about what it means to be Métis.

A field trip to do a bison herd check near her Métis homelands sheds more light on who Dr. Savannah is; she dives deeper into her identity as a Métis woman.

Decoding the secrets of long-lost human settlements; scrutinizing a mysterious Norwegian mound, a prehistoric stone circle on the banks of the Tagus River, a lost city in the cradle of civilization and bizarre rock shapes.

Griff uncovers what makes Newfoundland and Labrador unique, from tiny islands, sea shanties and cods tongues to jellybean houses and noonday canons, while discovering its bigness in land, dogs and the hospitality of its people.

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

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.

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.

Found on every continent, mountains create unique frozen worlds, home to extraordinary animals that must overcome the crushing conditions of the cold.

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

In the planet's most densely populated continent, animals live at extremely close quarters with people, from tigers making a home in town to elephants stopping traffic for food.