A visit to the Dr. Martens factory in England reveals how the plant mass-produces its popular 1460 leather boots at a rate of 3,500 pairs a week.

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.

While on a hunt for the mighty anaconda, Steve is attacked by an unseen predator; Steve takes a dip in piranha-infested waters; in Peru, Steve sees the giant river otter.

Wearing chainmail, Steve takes to the sea in search of a monster; Steve goes searching for the biggest wasp in the world.

Valentino, Yutris and the rest of group two have fun as they visit group three's flooded classroom; three quarantine infants get the results of their TB tests; the residents of Bangamat Island do not welcome newcomers leading to a confrontation.

The rehab is up all night with three tiny orphans needing round-the-clock care.

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.

The mystery of where water comes from or how it arrived on Earth.

The rehab is up all night with three tiny orphans needing round-the-clock care.

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.

The mystery of where water comes from or how it arrived on Earth.

Moving day arrives for the nursery school kids; Beni gets a beating from a bully; the socialization cage has a new queen; dominant male Pujon is still on a time-out after attacking Alba, but he's allowed a second chance to bond with his rival.

A visit to the Doritos factory in England reveals the processes and machinery that go into creating Chilli Heatwave tortilla chips.

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.

Zac and Darin get down and dirty as they explore a natural approach to farming through regenerative agriculture and organic food production.

The space telescope Hipparcos led to a discovery that sent shockwaves throughout the astronomical community: a star appearing to be older than the universe itself.

Hannah takes a look at the vacuum cleaner; she goes behind the scenes with Dyson and discovers how the motor in their latest vacuum spins nine times faster than that of a Formula One race car.

A visit to the Doritos factory in England reveals the processes and machinery that go into creating Chilli Heatwave tortilla chips.

As the characters bring new life into peaceful times, a great storm is building which will transform the newborns' welcoming world into a wet, cold nightmare; they have been born into an unpredictable world, with an unknown future.

Steve heads to the Loango National Park on the western coast of Gabon and home to some deadly predators.

Steve heads to Norway to dive with the planet's ultimate predator: the orca; he also witnesses the northern lights and gets up close to the mighty mouth of a humpback whale.

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

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.

Steve heads to the Loango National Park on the western coast of Gabon and home to some deadly predators.

Steve heads to Norway to dive with the planet's ultimate predator: the orca; he also witnesses the northern lights and gets up close to the mighty mouth of a humpback whale.

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

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.

A visit to the Doritos factory in England reveals the processes and machinery that go into creating Chilli Heatwave tortilla chips.

As the characters bring new life into peaceful times, a great storm is building which will transform the newborns' welcoming world into a wet, cold nightmare; they have been born into an unpredictable world, with an unknown future.

Wearing chainmail, Steve takes to the sea in search of a monster; Steve goes searching for the biggest wasp in the world.

In the Philippines, Steve has a tense and intimidating encounter with a living dinosaur; an arachnid with legs four times longer than its body; during an early morning dive, Steve sees a shark that spends most of the day 550 meters below the surface.

Moving day arrives for the nursery school kids; Beni gets a beating from a bully; the socialization cage has a new queen; dominant male Pujon is still on a time-out after attacking Alba, but he's allowed a second chance to bond with his rival.

Hope tries fostering a fawn with an unrelated doe; two fawns are rushed to the emergency clinic.

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.

How hurricanes begin and end and how technological advances are helping combat the dangers they pose.

Hope tries fostering a fawn with an unrelated doe; two fawns are rushed to the emergency clinic.

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.

How hurricanes begin and end and how technological advances are helping combat the dangers they pose.

Beni faces a day of reckoning as all the forest school students are held back for a weigh-in; Alba is back in isolation after being diagnosed with typhoid.

Gregg Wallace visits the Denby factory in Derbyshire, which has been making pottery since 1809. Brits drink a staggering 195 million mugs of tea and coffee every day, so Gregg is following production of one of the factory's best sellers.

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.

Steve heads to the Loango National Park on the western coast of Gabon and home to some deadly predators.

Steve heads to Norway to dive with the planet's ultimate predator: the orca; he also witnesses the northern lights and gets up close to the mighty mouth of a humpback whale.

Zac and Darin get down and dirty as they explore a natural approach to farming through regenerative agriculture and organic food production.

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.

Gregg Wallace visits the Denby factory in Derbyshire, which has been making pottery since 1809. Brits drink a staggering 195 million mugs of tea and coffee every day, so Gregg is following production of one of the factory's best sellers.

In the aftermath of the storm, the vast landscape is flooded; everyone is on the move, heading for higher ground, but the flood waters bring danger and the characters experience the terrifying ordeal of being washed away.

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.

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

How dramatic twists in Earth's story enabled humans to go from being part of nature to controlling it.

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.

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

How dramatic twists in Earth's story enabled humans to go from being part of nature to controlling it.

Gregg Wallace visits the Denby factory in Derbyshire, which has been making pottery since 1809. Brits drink a staggering 195 million mugs of tea and coffee every day, so Gregg is following production of one of the factory's best sellers.

In the aftermath of the storm, the vast landscape is flooded; everyone is on the move, heading for higher ground, but the flood waters bring danger and the characters experience the terrifying ordeal of being washed away.

In the Philippines, Steve has a tense and intimidating encounter with a living dinosaur; an arachnid with legs four times longer than its body; during an early morning dive, Steve sees a shark that spends most of the day 550 meters below the surface.

In Southern Africa, Steve braves the big waves of the Durban coast to get close to a hungry pack of blacktip sharks; the mighty black eagle; a swarm of killer bees.

Beni faces a day of reckoning as all the forest school students are held back for a weigh-in; Alba is back in isolation after being diagnosed with typhoid.

Two tricky patients finally go free; 50 babies are born all at once.

Escape with us on a thrilling journey down the river that forged North America … the St. Lawrence. From the grandeur of the Great Lakes to the picturesque 1000 Islands and through the vibrant, historic cities of Montreal and Quebec.

The 2008 Super Tuesday tornado outbreak is investigated to see why the storms occurred mid-winter and why tornados remain so enigmatic.

Two tricky patients finally go free; 50 babies are born all at once.

Escape with us on a thrilling journey down the river that forged North America … the St. Lawrence. From the grandeur of the Great Lakes to the picturesque 1000 Islands and through the vibrant, historic cities of Montreal and Quebec.

The 2008 Super Tuesday tornado outbreak is investigated to see why the storms occurred mid-winter and why tornados remain so enigmatic.

Rescued orphan Josh needs his broken wrist examined by the school vets, while Beni has a trip to the dentist to treat his bad breath.

Gregg visits a factory that churns out fifty thousand litres of dairy ice cream every day, while Cherry Healey enlists an ice hockey team to test the best methods of stopping brain freeze.

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.

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.

Rescued orphan Josh needs his broken wrist examined by the school vets, while Beni has a trip to the dentist to treat his bad breath.

How dramatic twists in Earth's story enabled humans to go from being part of nature to controlling it.

Gregg visits a factory that churns out fifty thousand litres of dairy ice cream every day, while Cherry Healey enlists an ice hockey team to test the best methods of stopping brain freeze.

The young learn to hunt; families are divided; losses are mourned.

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

Celebrities tackle some of the most infamous roads in the world.

The arctic spring season brings open waters, awakened animals, and key opportunities.

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

Celebrities tackle some of the most infamous roads in the world.

The arctic spring season brings open waters, awakened animals, and key opportunities.

Gregg visits a factory that churns out fifty thousand litres of dairy ice cream every day, while Cherry Healey enlists an ice hockey team to test the best methods of stopping brain freeze.

The young learn to hunt; families are divided; losses are mourned.

In Southern Africa, Steve braves the big waves of the Durban coast to get close to a hungry pack of blacktip sharks; the mighty black eagle; a swarm of killer bees.

Steve takes to the waters of British Columbia in search of some monsters of the deep seas; Steve encounters a fierce sea lion; a giant Pacific octopus.

Rescued orphan Josh needs his broken wrist examined by the school vets, while Beni has a trip to the dentist to treat his bad breath.

Hope and Dr. Barry break ground on new chapters in their life, Hope rebuilding the rehab and Dr. Barry setting out on his own.

Navigating the historic river that forged America, and sailing from West Virginia to Chesapeake Bay; exploring the armory raided by abolitionist John Brown that sparked the Civil War, the nation's capital and Mount Vernon.

A team of astronomers determine the ultimate fate of Earth, several billion years from now.

Hope and Dr. Barry break ground on new chapters in their life, Hope rebuilding the rehab and Dr. Barry setting out on his own.

Navigating the historic river that forged America, and sailing from West Virginia to Chesapeake Bay; exploring the armory raided by abolitionist John Brown that sparked the Civil War, the nation's capital and Mount Vernon.

A team of astronomers determine the ultimate fate of Earth, several billion years from now.

The babysitters try to get Beni's diet under control; Malika shows off her passion for fashion; Darril and Syahrini get steamy in the treetops; Cinta makes a watery discovery; two new babies arrive, one of whom is emaciated.

Gregg Wallace visits a huge vacuum cleaner factory in the heart of Somerset. This 32-acre site is a hive of activity where 1.2 million vacuums are made every year. Gregg is following their biggest seller, the Henry vacuum cleaner in bright red.

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.

Hannah takes a look at the vacuum cleaner; she goes behind the scenes with Dyson and discovers how the motor in their latest vacuum spins nine times faster than that of a Formula One race car.

Celebrities tackle some of the most infamous roads in the world.

The arctic spring season brings open waters, awakened animals, and key opportunities.

Gregg Wallace visits a huge vacuum cleaner factory in the heart of Somerset. This 32-acre site is a hive of activity where 1.2 million vacuums are made every year. Gregg is following their biggest seller, the Henry vacuum cleaner in bright red.

New life emerging at a dangerous time.

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.

A look at Isaac Newton;a visit to CERN.

Brian explores the sun's rule over every world in the solar system.

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.

A look at Isaac Newton;a visit to CERN.

Brian explores the sun's rule over every world in the solar system.

Gregg Wallace visits a huge vacuum cleaner factory in the heart of Somerset. This 32-acre site is a hive of activity where 1.2 million vacuums are made every year. Gregg is following their biggest seller, the Henry vacuum cleaner in bright red.

New life emerging at a dangerous time.

Steve takes to the waters of British Columbia in search of some monsters of the deep seas; Steve encounters a fierce sea lion; a giant Pacific octopus.

In South Africa, Steve and his crew search for great white sharks.

The babysitters try to get Beni's diet under control; Malika shows off her passion for fashion; Darril and Syahrini get steamy in the treetops; Cinta makes a watery discovery; two new babies arrive, one of whom is emaciated.

Exploring the Carcross Desert, Tatshenshini-Alsek Provincial Park, and the eastern edge of Kluane National Park.

Raja Ampat in the Indonesian archipelago is home to diverse marine life, including manta rays.

The diamond's rise from gemstone to a cutting-edge material that is set to revolutionize electronics.

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.

Exploring a plethora of wild edibles in Temagami, Ontario; smallmouth bass.

A harvest of a ruffed grouse, rose hips, sweet clover and willow branches.

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.

After weeks of battling a mysterious head infection, Erik joins the group two students; at forest school, the group three students enjoy a poolside classroom where Valentino proves he's more than just a class clown.

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.

As the characters bring new life into peaceful times, a great storm is building which will transform the newborns' welcoming world into a wet, cold nightmare; they have been born into an unpredictable world, with an unknown future.

In the aftermath of the storm, the vast landscape is flooded; everyone is on the move, heading for higher ground, but the flood waters bring danger and the characters experience the terrifying ordeal of being washed away.

The young learn to hunt; families are divided; losses are mourned.

New life emerging at a dangerous time.

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.

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.

Celebrities tackle some of the most infamous roads in the world.

Steve heads to the Loango National Park on the western coast of Gabon and home to some deadly predators.

Steve heads to Norway to dive with the planet's ultimate predator: the orca; he also witnesses the northern lights and gets up close to the mighty mouth of a humpback whale.

Zac and Darin get down and dirty as they explore a natural approach to farming through regenerative agriculture and organic food production.

Celebrities tackle some of the most infamous roads in the world.

Steve heads to the Loango National Park on the western coast of Gabon and home to some deadly predators.

Steve heads to Norway to dive with the planet's ultimate predator: the orca; he also witnesses the northern lights and gets up close to the mighty mouth of a humpback whale.

Zac and Darin get down and dirty as they explore a natural approach to farming through regenerative agriculture and organic food production.

A visit to the Dr. Martens factory in England reveals how the plant mass-produces its popular 1460 leather boots at a rate of 3,500 pairs a week.

As the characters bring new life into peaceful times, a great storm is building which will transform the newborns' welcoming world into a wet, cold nightmare; they have been born into an unpredictable world, with an unknown future.

While on a hunt for the mighty anaconda, Steve is attacked by an unseen predator; Steve takes a dip in piranha-infested waters; in Peru, Steve sees the giant river otter.

Wearing chainmail, Steve takes to the sea in search of a monster; Steve goes searching for the biggest wasp in the world.

Valentino, Yutris and the rest of group two have fun as they visit group three's flooded classroom; three quarantine infants get the results of their TB tests; the residents of Bangamat Island do not welcome newcomers leading to a confrontation.

City of Whitehorse to the Kluane National Park.

The Indonesian archipelago lies has the highest number of coral and fish species on earth.

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.

The pyramids of Giza could be a giant map of the stars; how first responders brought hope to the survivors of Hurricane Katrina; an Indonesian volcano burns a shade of blue; a bird's eye view reveals the forgotten pleasures of America's recent past.

Gathering matsutake mushrooms; a simple dish of mushrooms on toast; wild turkey.

A harvest based on two trees -- oak and madrone; bark, berries, nuts, flour and infused bourbon leave chef Paul Rogalski and guest chef Joy Cyr with a tough culinary challenge.

Griff uncovers what makes Newfoundland and Labrador distinctly 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.

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.

Zac and Darin get down and dirty as they explore a natural approach to farming through regenerative agriculture and organic food production.

How dramatic twists in Earth's story enabled humans to go from being part of nature to controlling it.

The space telescope Hipparcos led to a discovery that sent shockwaves throughout the astronomical community: a star appearing to be older than the universe itself.

Hannah takes a look at the vacuum cleaner; she goes behind the scenes with Dyson and discovers how the motor in their latest vacuum spins nine times faster than that of a Formula One race car.

How dramatic twists in Earth's story enabled humans to go from being part of nature to controlling it.

Professor Brian Cox journeys to the remotest part of the solar system where the mysteries of Saturn, Uranus and Neptune remain in the shadows.

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

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

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.

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.

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

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.

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.

A visit to the Doritos factory in England reveals the processes and machinery that go into creating Chilli Heatwave tortilla chips.

In the aftermath of the storm, the vast landscape is flooded; everyone is on the move, heading for higher ground, but the flood waters bring danger and the characters experience the terrifying ordeal of being washed away.

Wearing chainmail, Steve takes to the sea in search of a monster; Steve goes searching for the biggest wasp in the world.

In the Philippines, Steve has a tense and intimidating encounter with a living dinosaur; an arachnid with legs four times longer than its body; during an early morning dive, Steve sees a shark that spends most of the day 550 meters below the surface.

Moving day arrives for the nursery school kids; Beni gets a beating from a bully; the socialization cage has a new queen; dominant male Pujon is still on a time-out after attacking Alba, but he's allowed a second chance to bond with his rival.

Hope's open house is bigger than ever; a mysterious visitor leaves a big impression.

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

Missions are heading to Jupiter to discover how planets form and to find out if there is life on the planets four largest moons.

Hope's open house is bigger than ever; a mysterious visitor leaves a big impression.

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

Missions are heading to Jupiter to discover how planets form and to find out if there is life on the planets four largest moons.

Difficult quarantine student Taymur has a breakthrough and starts to embrace his jungle school lesson; serial truant Luthy skips class again and gives the staff a run for their money.

Tapping into Gregg's childhood passion and watching an Alstom electric train roll down the production line; visiting the U.K.'s last aluminum-smelting plant with Cherry; exploring the legacy of an antique electrified rail line in Brighton with Ruth.

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.

Missions are heading to Jupiter to discover how planets form and to find out if there is life on the planets four largest moons.

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

Difficult quarantine student Taymur has a breakthrough and starts to embrace his jungle school lesson; serial truant Luthy skips class again and gives the staff a run for their money.

Tapping into Gregg's childhood passion and watching an Alstom electric train roll down the production line; visiting the U.K.'s last aluminum-smelting plant with Cherry; exploring the legacy of an antique electrified rail line in Brighton with Ruth.

The tables are turned on the powerful predators.

Along the coastline, Zac and Darin take a deep dive into the coral reef restoration techniques supporting a vast underwater ecosystem.

Tutankhamun's tomb was discovered in November 1922; since then, scientists and archaeologists have been puzzled by an iron dagger that was tucked in among the linen folds of the mummy.

With over six billion of them across the planet, smartphones have changed the modern world; with rare access to electronics giant Samsung, Hannah uncovers the technological game changers that have made the smartphone a reality.

Along the coastline, Zac and Darin take a deep dive into the coral reef restoration techniques supporting a vast underwater ecosystem.

Tutankhamun's tomb was discovered in November 1922; since then, scientists and archaeologists have been puzzled by an iron dagger that was tucked in among the linen folds of the mummy.

With over six billion of them across the planet, smartphones have changed the modern world; with rare access to electronics giant Samsung, Hannah uncovers the technological game changers that have made the smartphone a reality.

Tapping into Gregg's childhood passion and watching an Alstom electric train roll down the production line; visiting the U.K.'s last aluminum-smelting plant with Cherry; exploring the legacy of an antique electrified rail line in Brighton with Ruth.

The tables are turned on the powerful predators.

In South Africa, Steve and his crew search for great white sharks.

In Indonesia, Steve and his crew are chased by a group of Komodo dragons; Steve heads to Nepal in search of more deadly giants.

Difficult quarantine student Taymur has a breakthrough and starts to embrace his jungle school lesson; serial truant Luthy skips class again and gives the staff a run for their money.

Endangered bats need Hope's help, but it means taking unusual steps; Hope's deer release has a bumpy start.

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

The diamond's rise from gemstone to a cutting-edge material that is set to revolutionize electronics.

Endangered bats need Hope's help, but it means taking unusual steps; Hope's deer release has a bumpy start.

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

The diamond's rise from gemstone to a cutting-edge material that is set to revolutionize electronics.

Six graduates from jungle school are finally set to be freed into the wild from the pre-release islands after an arduous journey by road and river into the heart of Borneo.

Rolling down the line with a 187-ton train and touring the UK's last aluminum plant.

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.

Along the coastline, Zac and Darin take a deep dive into the coral reef restoration techniques supporting a vast underwater ecosystem.

Tutankhamun's tomb was discovered in November 1922; since then, scientists and archaeologists have been puzzled by an iron dagger that was tucked in among the linen folds of the mummy.

With over six billion of them across the planet, smartphones have changed the modern world; with rare access to electronics giant Samsung, Hannah uncovers the technological game changers that have made the smartphone a reality.

Rolling down the line with a 187-ton train and touring the UK's last aluminum plant.

The day of reckoning with the great river crossing.

Steve starts his South African adventure in one of the weirdest places he's ever gone looking for animals: a power station, in the dark. He stakes out the location for a wild cat that has so far eluded the Deadly 60, the serval.

Steve and the team head to the remote island of Isla del Plata which has the largest congregation of giant manta rays in the world. Working with one of the world's top manta scientists, Steve heads off to try and dive with these majestic giants.

Steve Backshall and his team travel to Kyrgyzstan in search of snow leopards, one of the world's most endangered species.

Gregg Wallace is in Italy, hitching a lift on a train carrying over a thousand tons of wheat to the largest dried pasta factory in the world.

Steve starts his South African adventure in one of the weirdest places he's ever gone looking for animals: a power station, in the dark. He stakes out the location for a wild cat that has so far eluded the Deadly 60, the serval.

Steve and the team head to the remote island of Isla del Plata which has the largest congregation of giant manta rays in the world. Working with one of the world's top manta scientists, Steve heads off to try and dive with these majestic giants.

Steve Backshall and his team travel to Kyrgyzstan in search of snow leopards, one of the world's most endangered species.

Gregg Wallace is in Italy, hitching a lift on a train carrying over a thousand tons of wheat to the largest dried pasta factory in the world.

Rolling down the line with a 187-ton train and touring the UK's last aluminum plant.

The day of reckoning with the great river crossing.

In Indonesia, Steve and his crew are chased by a group of Komodo dragons; Steve heads to Nepal in search of more deadly giants.

Steve and the crew scour the wetlands of Venezuela; Steve goes into crocodile infested waters to search for electric eel; an Orinoco crocodile; a female croc protects her nest.

Six graduates from jungle school are finally set to be freed into the wild from the pre-release islands after an arduous journey by road and river into the heart of Borneo.

The worst winter in 100 years causes big problems.

The best kept secrets of Nova Scotia.

Scientists explore whether Earth's estranged twin Venus could be a vision of our planet's future.

The worst winter in 100 years causes big problems.

The best kept secrets of Nova Scotia.

Scientists explore whether Earth's estranged twin Venus could be a vision of our planet's future.

Big changes are afoot for some of the pupils at Orangutan Jungle School, where orphaned orangutans learn the forest skills they need to survive in the wild; four new arrivals join the nursery classes and some familiar faces move up a grade.

A look at the construction process behind the double-decker bus in Yorkshire and why they were crucial during WWI.

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.

Steve starts his South African adventure in one of the weirdest places he's ever gone looking for animals: a power station, in the dark. He stakes out the location for a wild cat that has so far eluded the Deadly 60, the serval.

Steve and the team head to the remote island of Isla del Plata which has the largest congregation of giant manta rays in the world. Working with one of the world's top manta scientists, Steve heads off to try and dive with these majestic giants.

Along the coastline, Zac and Darin take a deep dive into the coral reef restoration techniques supporting a vast underwater ecosystem.

Gregg Wallace is in Italy, hitching a lift on a train carrying over a thousand tons of wheat to the largest dried pasta factory in the world.

A look at the construction process behind the double-decker bus in Yorkshire and why they were crucial during WWI.

The North and South polar regions of the Earth; the Arctic and Antarctic are the greatest and least known wildernesses.

From the bone-dry deserts of the Atacama, where penguins weave their way through a minefield of snapping sea lions, to the lush cloud forests of the Andes, South America is full of unusual and ingenious wildlife.

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.

Extreme locales include Mount Everest's Khumbu Icefall, the Grand Canyon, and the slopes of Mount Kilimanjaro.

From the bone-dry deserts of the Atacama, where penguins weave their way through a minefield of snapping sea lions, to the lush cloud forests of the Andes, South America is full of unusual and ingenious wildlife.

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.

Extreme locales include Mount Everest's Khumbu Icefall, the Grand Canyon, and the slopes of Mount Kilimanjaro.

A look at the construction process behind the double-decker bus in Yorkshire and why they were crucial during WWI.

The North and South polar regions of the Earth; the Arctic and Antarctic are the greatest and least known wildernesses.

Steve and the crew scour the wetlands of Venezuela; Steve goes into crocodile infested waters to search for electric eel; an Orinoco crocodile; a female croc protects her nest.

Mexico's Yucatan Peninsula; Steve encounters a bull shark and embarks on a high-octane chase with a sailfish; Steve witnesses a million-strong gathering of bats taking to the night sky.

Big changes are afoot for some of the pupils at Orangutan Jungle School, where orphaned orangutans learn the forest skills they need to survive in the wild; four new arrivals join the nursery classes and some familiar faces move up a grade.

A hare needs help; Chelsea rescues a litter of orphaned foxes; Dr. Barry helps an injured bobcat.

Nova Scotia's Southern coast.

The differences between the Northern and Southern Rockies.

A hare needs help; Chelsea rescues a litter of orphaned foxes; Dr. Barry helps an injured bobcat.

Nova Scotia's Southern coast.

The differences between the Northern and Southern Rockies.

Recent nursery graduates Jelapat, Talaken, Bawan and Rona join their classmates at their new classroom; Dilla unexpectedly gives birth at midnight, but the delivery does not go smoothly.

Gregg Wallace visits a factory that produces six million Jaffa Cakes every day, while Cherry Healey travels to Jaffa, a city famous for its oranges and the namesake of the irresistible cakes.

Brett and Cliff aim to put themselves through the experience of losing one's ship and needing to be rescued.

From the bone-dry deserts of the Atacama, where penguins weave their way through a minefield of snapping sea lions, to the lush cloud forests of the Andes, South America is full of unusual and ingenious wildlife.

Recent nursery graduates Jelapat, Talaken, Bawan and Rona join their classmates at their new classroom; Dilla unexpectedly gives birth at midnight, but the delivery does not go smoothly.

Extreme locales include Mount Everest's Khumbu Icefall, the Grand Canyon, and the slopes of Mount Kilimanjaro.

Gregg Wallace visits a factory that produces six million Jaffa Cakes every day, while Cherry Healey travels to Jaffa, a city famous for its oranges and the namesake of the irresistible cakes.

Spring in the polar regions; the greatest seasonal transformation of the planet begins with the return of the sun.