Steve Backshall is in Sydney, Australia, searching for the world's most venomous spider, the fastest striking snake and an ocean dragon that is a camouflaged assassin.

Orphaned baby rhinos in South Africa; how the deadly predators are tracked; what can be done to save the species from being poached to extinction.

A fishing crew takes on an adrenaline-filled fishing trip to Norway.

In the Gobi Desert, Gordon must gain his camel's trust to survive and find the Gobi bear.

Alaskans have to divide and conquer to stockpile resources for the long winter ahead.

Brian reveals how the atmosphere can create most of the wonderful sights in the solar system.

In southeast Alaska, there's an ice-bound Eden that harbors possibly the richest temperate rainforests of all.

Alaskans have to divide and conquer to stockpile resources for the long winter ahead.

When a tiny piece of trash ruins a raccoon's life, Doctor Jessica cuts it free, but Hope faces tough decisions about its future; a volunteer plunges in to save an injured goose.

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

Iceland is the world's largest volcanic island and new ground is born daily.

When a tiny piece of trash ruins a raccoon's life, Doctor Jessica cuts it free, but Hope faces tough decisions about its future; a volunteer plunges in to save an injured goose.

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

Iceland is the world's largest volcanic island and new ground is born daily.

When a tiny piece of trash ruins a raccoon's life, Doctor Jessica cuts it free, but Hope faces tough decisions about its future; a volunteer plunges in to save an injured goose.

As summer comes to an end, Alaskans make one last push to prepare for the brutal winter ahead.

Brian examines the universal laws of nature; planet size can make a difference between life and death.

Steve Backshall is in Sydney, Australia, searching for the world's most venomous spider, the fastest striking snake and an ocean dragon that is a camouflaged assassin.

Orphaned baby rhinos in South Africa; how the deadly predators are tracked; what can be done to save the species from being poached to extinction.

A fishing crew takes on an adrenaline-filled fishing trip to Norway.

In the Gobi Desert, Gordon must gain his camel's trust to survive and find the Gobi bear.

As summer comes to an end, Alaskans make one last push to prepare for the brutal winter ahead.

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

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

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 the worst mass extinction the planet has ever seen, when as much as 90% of all species died 252 million years ago; this moment in Earth's history took life to the brink, wreaking havoc and destruction on an unprecedented scale.

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

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 the worst mass extinction the planet has ever seen, when as much as 90% of all species died 252 million years ago; this moment in Earth's history took life to the brink, wreaking havoc and destruction on an unprecedented scale.

As summer comes to an end, Alaskans make one last push to prepare for the brutal winter ahead.

Brian examines the universal laws of nature; planet size can make a difference between life and death.

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

As summer comes to an end, Alaskans make one last push to prepare for the brutal winter ahead.

When a tiny fawn gets hit by a car, Doctor Jessica must splint its broken leg or it will never return to the wild; a mother porcupine arrives with baby in tow and both need life-saving attention for a parasitic infection.

Witness animal spectacles from high above the Earth; watch a whirling herd of northern nomads; see undersea behemoths show off in the Pacific shallows; track a U.S. porcine stampede; confront top ocean predators on the Florida coast.

Iceland's volcanoes generate one third of earth's land-based lava, but the land was sculpted by ice.

When a tiny fawn gets hit by a car, Doctor Jessica must splint its broken leg or it will never return to the wild; a mother porcupine arrives with baby in tow and both need life-saving attention for a parasitic infection.

Witness animal spectacles from high above the Earth; watch a whirling herd of northern nomads; see undersea behemoths show off in the Pacific shallows; track a U.S. porcine stampede; confront top ocean predators on the Florida coast.

Iceland's volcanoes generate one third of earth's land-based lava, but the land was sculpted by ice.

When a tiny fawn gets hit by a car, Doctor Jessica must splint its broken leg or it will never return to the wild; a mother porcupine arrives with baby in tow and both need life-saving attention for a parasitic infection.

Alaskans get a brief respite from winter's fury with the end of the thaw.

After Brian explores the bottom of the ocean, he looks to the Solar System to see if there might be other worlds that could harbor life.

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

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 the worst mass extinction the planet has ever seen, when as much as 90% of all species died 252 million years ago; this moment in Earth's history took life to the brink, wreaking havoc and destruction on an unprecedented scale.

Alaskans get a brief respite from winter's fury with the end of the thaw.

A fishing crew takes on an adrenaline-filled fishing trip to Norway.

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

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

Lev and his guide Boston are 1100 miles and four months into their journey, in the world's newest nation, South Sudan; arriving in the capital, Juba, Lev and Boston are arrested by secret police.

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

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

Lev and his guide Boston are 1100 miles and four months into their journey, in the world's newest nation, South Sudan; arriving in the capital, Juba, Lev and Boston are arrested by secret police.

Alaskans get a brief respite from winter's fury with the end of the thaw.

After Brian explores the bottom of the ocean, he looks to the Solar System to see if there might be other worlds that could harbor life.

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

Alaskans get a brief respite from winter's fury with the end of the thaw.

Just as Hope is scrambling to get ready for her busiest day of the year, the government decides to seize the bear cub Hope's worked so hard to save.

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.

The highest tides in the world are found in the Bay of Fundy on Canada's east coast.

Just as Hope is scrambling to get ready for her busiest day of the year, the government decides to seize the bear cub Hope's worked so hard to save.

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.

The highest tides in the world are found in the Bay of Fundy on Canada's east coast.

Just as Hope is scrambling to get ready for her busiest day of the year, the government decides to seize the bear cub Hope's worked so hard to save.

Winter bears down on Alaskans, who make last-minute preparations for the return of the freeze.

Hannah gains access to a top-secret site where anonymous staff and the latest tech work to make the British passport one of the most secure documents on the planet; she reveals the World War I spy craft hidden in the pages of every passport.

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

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

Lev and his guide Boston are 1100 miles and four months into their journey, in the world's newest nation, South Sudan; arriving in the capital, Juba, Lev and Boston are arrested by secret police.

Winter bears down on Alaskans, who make last-minute preparations for the return of the freeze.

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

How Earth's cosmic backyard emerged from chaotic clouds of gas; two extraordinary wonders on Earth.

How wildlife adapts for survival to the seasonal shifts in the sun's intensity, from wood frogs that can freeze and thaw to Arctic wolves that thrive in the chilly darkness.

The 50th anniversary of the Apollo 11 moon landing in the place where it all began; physicist Dr. Brian Cox and host Dara Ó Briain travel to Cape Canaveral, Fla., for a look inside the historic mission and the future of space exploration.

How wildlife adapts for survival to the seasonal shifts in the sun's intensity, from wood frogs that can freeze and thaw to Arctic wolves that thrive in the chilly darkness.

The 50th anniversary of the Apollo 11 moon landing in the place where it all began; physicist Dr. Brian Cox and host Dara Ó Briain travel to Cape Canaveral, Fla., for a look inside the historic mission and the future of space exploration.

Hannah gains access to a top-secret site where anonymous staff and the latest tech work to make the British passport one of the most secure documents on the planet; she reveals the World War I spy craft hidden in the pages of every passport.

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

Winter bears down on Alaskans, who make last-minute preparations for the return of the freeze.

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.

How the earth's atmosphere came to be; the one man to have braved the atmosphere's upper reaches and survived.

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

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.

Iceland is the world's largest volcanic island and new ground is born daily.

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

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.

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

At the far tip of South America lies a magical realm that seems frozen in time; known as "the end of the world", this is Patagonia.

In southeast Alaska, there's an ice-bound Eden that harbors possibly the richest temperate rainforests of all.

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

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

How Earth's cosmic backyard emerged from chaotic clouds of gas; two extraordinary wonders on Earth.

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

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.

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

Traveling from the frigid, icy waters of Alaska to the balmy, serene seas of the tropics; seeing how varied shark species really are; getting insight into their lives, learning why these endangered creatures are not monsters at all.

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.

Steve Backshall is in Sydney, Australia, searching for the world's most venomous spider, the fastest striking snake and an ocean dragon that is a camouflaged assassin.

Traveling from the frigid, icy waters of Alaska to the balmy, serene seas of the tropics; seeing how varied shark species really are; getting insight into their lives, learning why these endangered creatures are not monsters at all.

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.

How Earth's cosmic backyard emerged from chaotic clouds of gas; two extraordinary wonders on Earth.

The 50th anniversary of the Apollo 11 moon landing in the place where it all began; physicist Dr. Brian Cox and host Dara Ó Briain travel to Cape Canaveral, Fla., for a look inside the historic mission and the future of space exploration.

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

The search for the building blocks of life on Mars; an attempt to prove life was, or is, possible on the red planet.

Learning why an important urban center is sinking toward oblivion; soaring over sprawling ruins buried under Saharan sands; learning the modern secret of an ancient fortress; eyeing a ghost town on the edge of the Gobi.

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.

Iceland's volcanoes generate one third of earth's land-based lava, but the land was sculpted by ice.

Witness animal spectacles from high above the Earth; watch a whirling herd of northern nomads; see undersea behemoths show off in the Pacific shallows; track a U.S. porcine stampede; confront top ocean predators on the Florida coast.

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 Earth's cosmic backyard emerged from chaotic clouds of gas; two extraordinary wonders on Earth.

How wildlife adapts for survival to the seasonal shifts in the sun's intensity, from wood frogs that can freeze and thaw to Arctic wolves that thrive in the chilly darkness.

Lev and his guide Boston are 1100 miles and four months into their journey, in the world's newest nation, South Sudan; arriving in the capital, Juba, Lev and Boston are arrested by secret police.

Five months and more than 2000 miles into his journey, Lev is in Sudan, facing his biggest physical obstacle yet: the Sahara desert; he has to walk 1300 miles across one of the most inhospitable places on Earth.

Winter bears down on Alaskans, who make last-minute preparations for the return of the freeze.

Steve Backshall is in Sydney, Australia, searching for the world's most venomous spider, the fastest striking snake and an ocean dragon that is a camouflaged assassin.

Orphaned baby rhinos in South Africa; how the deadly predators are tracked; what can be done to save the species from being poached to extinction.

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

Gordon Buchanan joins the Pazhetnovs, a pioneering family of biologists, in snowy Russia to rehabilitate six orphaned grizzly cubs back to the wild.

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

Gordon Buchanan joins the Pazhetnovs, a pioneering family of biologists, in snowy Russia to rehabilitate six orphaned grizzly cubs back to the wild.

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

Gordon Buchanan joins the Pazhetnovs, a pioneering family of biologists, in snowy Russia to rehabilitate six orphaned grizzly cubs back to the wild.

As summer comes to an end, Alaskans make one last push to prepare for the brutal winter ahead.

Alaskans get a brief respite from winter's fury with the end of the thaw.

Winter bears down on Alaskans, who make last-minute preparations for the return of the freeze.

When a Category 2 hurricane slams straight into the rehab, Hope and her team struggle to protect their patients in the middle of the raging storm.

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

The Cassini-Huygens spacecraft has been sending images and a wealth of scientific revelations from Saturn's orbit since 2004.

When a Category 2 hurricane slams straight into the rehab, Hope and her team struggle to protect their patients in the middle of the raging storm.

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

Scientists explore how to protect the earth when solar storms destroy earthbound technologies and send satellites crashing to earth.

When a Category 2 hurricane slams straight into the rehab, Hope and her team struggle to protect their patients in the middle of the raging storm.

Alaskans work to prepare for the upcoming brutal weather; Chip constructs a mobile tent frame.

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.

In the heart of Asia lie vast arid lands; these deserts and dry grasslands are so hostile, they push life to the limit; the animals that live here are some of the toughest on earth - they are Asia's great survivors.

Gordon Buchanan joins the Pazhetnovs, a pioneering family of biologists, in snowy Russia to rehabilitate six orphaned grizzly cubs back to the wild.

Traveling from the frigid, icy waters of Alaska to the balmy, serene seas of the tropics; seeing how varied shark species really are; getting insight into their lives, learning why these endangered creatures are not monsters at all.

Alaskans work to prepare for the upcoming brutal weather; Chip constructs a mobile tent frame.

In the remote reaches of Asia's frozen north, creatures must overcome unique challenges, finding exceptional ways to thrive in a hostile world that pushes life to its very limits.

From Sydney to the Greater Blue Mountains, Zach and Darin meet with leading eco-warriors to learn about protected lands and habitat conservation.

After seven months walking, Lev reaches his final country: Egypt; he has 900 miles to go to the Mediterranean but the authorities give him just 45 days to finish.

Levison and Alberto begin their journey on the northern shores of Mexico's Yucatan Peninsula.

From Sydney to the Greater Blue Mountains, Zach and Darin meet with leading eco-warriors to learn about protected lands and habitat conservation.

After seven months walking, Lev reaches his final country: Egypt; he has 900 miles to go to the Mediterranean but the authorities give him just 45 days to finish.

Levison and Alberto begin their journey on the northern shores of Mexico's Yucatan Peninsula.

Alaskans work to prepare for the upcoming brutal weather; Chip constructs a mobile tent frame.

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.

In the remote reaches of Asia's frozen north, creatures must overcome unique challenges, finding exceptional ways to thrive in a hostile world that pushes life to its very limits.

Alaskans work to prepare for the upcoming brutal weather; Chip constructs a mobile tent frame.

A photographer snaps into action to save a turkey vulture's life after it gets trapped under a seal carcass.

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

Scientists explore how to protect the earth when solar storms destroy earthbound technologies and send satellites crashing to earth.

A photographer snaps into action to save a turkey vulture's life after it gets trapped under a seal carcass.

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

Scientists explore how to protect the earth when solar storms destroy earthbound technologies and send satellites crashing to earth.

A photographer snaps into action to save a turkey vulture's life after it gets trapped under a seal carcass.

As winter nears, Alaskans' preparations for the freeze begin to fall apart; the Hailstones fear they may have missed their chance to hunt caribou and stockpile meat for the winter.

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.

From Sydney to the Greater Blue Mountains, Zach and Darin meet with leading eco-warriors to learn about protected lands and habitat conservation.

After seven months walking, Lev reaches his final country: Egypt; he has 900 miles to go to the Mediterranean but the authorities give him just 45 days to finish.

Levison and Alberto begin their journey on the northern shores of Mexico's Yucatan Peninsula.

As winter nears, Alaskans' preparations for the freeze begin to fall apart; the Hailstones fear they may have missed their chance to hunt caribou and stockpile meat for the winter.

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.

Steve Backshall is in Brazil searching for the world's most elusive cat, the jaguar; he sees them swimming, meets mothers and cubs, and even witnesses one jaguar hunting a caiman.

Setting sail to the island of Bali, Steve and the team are out to find the elusive ocean sunfish; these deep ocean giants feed on poisonous jellyfish and ascend to the shallows for a spa session at a cleaner fish station.

The guys head to the turquoise waters of The Bahamas to try to catch venomous lionfish.

Gordon Buchanan joins the Pazhetnovs, a pioneering family of biologists, in snowy Russia to rehabilitate six orphaned grizzly cubs back to the wild.

Steve Backshall is in Brazil searching for the world's most elusive cat, the jaguar; he sees them swimming, meets mothers and cubs, and even witnesses one jaguar hunting a caiman.

Setting sail to the island of Bali, Steve and the team are out to find the elusive ocean sunfish; these deep ocean giants feed on poisonous jellyfish and ascend to the shallows for a spa session at a cleaner fish station.

The guys head to the turquoise waters of The Bahamas to try to catch venomous lionfish.

Gordon Buchanan joins the Pazhetnovs, a pioneering family of biologists, in snowy Russia to rehabilitate six orphaned grizzly cubs back to the wild.

As winter nears, Alaskans' preparations for the freeze begin to fall apart; the Hailstones fear they may have missed their chance to hunt caribou and stockpile meat for the winter.

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.

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.

As winter nears, Alaskans' preparations for the freeze begin to fall apart; the Hailstones fear they may have missed their chance to hunt caribou and stockpile meat for the winter.

When a worldwide pandemic cripples the rehab, wildlife emergencies keep coming in: a bobcat that's been shot, and a massive adult seal; Hope's down to a skeleton crew as critical team members go into quarantine.

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.

Along the west coast of Great Britain, the world's longest uninterrupted footpath forges through more than 800 miles of breathtaking scenery; the diverse landscape of the Welsh coast is a geological treasure.

When a worldwide pandemic cripples the rehab, wildlife emergencies keep coming in: a bobcat that's been shot, and a massive adult seal; Hope's down to a skeleton crew as critical team members go into quarantine.

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.

Along the west coast of Great Britain, the world's longest uninterrupted footpath forges through more than 800 miles of breathtaking scenery; the diverse landscape of the Welsh coast is a geological treasure.

When a worldwide pandemic cripples the rehab, wildlife emergencies keep coming in: a bobcat that's been shot, and a massive adult seal; Hope's down to a skeleton crew as critical team members go into quarantine.

Alaskans need to adapt and shift their plans due to unpredictable winter weather.

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.

Steve Backshall is in Brazil searching for the world's most elusive cat, the jaguar; he sees them swimming, meets mothers and cubs, and even witnesses one jaguar hunting a caiman.

Setting sail to the island of Bali, Steve and the team are out to find the elusive ocean sunfish; these deep ocean giants feed on poisonous jellyfish and ascend to the shallows for a spa session at a cleaner fish station.

The guys head to the turquoise waters of The Bahamas to try to catch venomous lionfish.

Gordon Buchanan joins the Pazhetnovs, a pioneering family of biologists, in snowy Russia to rehabilitate six orphaned grizzly cubs back to the wild.

Alaskans need to adapt and shift their plans due to unpredictable winter weather.

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.

Africa is home to the greatest collection of wildlife on Earth, with a vast tropical rainforest full of life at its heart, but animals face big challenges in this land of plenty.

Conservation advocates take risks to save wildlife by exploring remote jungles, going undercover to catch criminals and making a microlight journey to lead endangered birds to safety.

Earth's journey into the deep freeze starts with fire over 800 million years ago; Long before the age of the dinosaurs, before there was even animal life, the supercontinent Rodinia breaks up.

Africa is home to the greatest collection of wildlife on Earth, with a vast tropical rainforest full of life at its heart, but animals face big challenges in this land of plenty.

Conservation advocates take risks to save wildlife by exploring remote jungles, going undercover to catch criminals and making a microlight journey to lead endangered birds to safety.

Earth's journey into the deep freeze starts with fire over 800 million years ago; Long before the age of the dinosaurs, before there was even animal life, the supercontinent Rodinia breaks up.

Alaskans need to adapt and shift their plans due to unpredictable winter weather.

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.

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.

Alaskans need to adapt and shift their plans due to unpredictable winter weather.

Hope scrambles to save the animals when a burglar busts down the door to the rehab, as the spring baby boom brings in a flood of injured and orphaned animals.

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.

Ireland is small in size but epic in wonder; surrounded by the Atlantic ocean, Cliffs of Moher to the extraordinary Giant's Causeway, this land has been shaped and reshaped by both the power of water and violent geological forces.

Hope scrambles to save the animals when a burglar busts down the door to the rehab, as the spring baby boom brings in a flood of injured and orphaned animals.

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.

Ireland is small in size but epic in wonder; surrounded by the Atlantic ocean, Cliffs of Moher to the extraordinary Giant's Causeway, this land has been shaped and reshaped by both the power of water and violent geological forces.

Hope scrambles to save the animals when a burglar busts down the door to the rehab, as the spring baby boom brings in a flood of injured and orphaned animals.

Alaskans struggle to get through the everyday grind as a long, dark winter looms ahead.

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

Africa is home to the greatest collection of wildlife on Earth, with a vast tropical rainforest full of life at its heart, but animals face big challenges in this land of plenty.

Conservation advocates take risks to save wildlife by exploring remote jungles, going undercover to catch criminals and making a microlight journey to lead endangered birds to safety.

Earth's journey into the deep freeze starts with fire over 800 million years ago; Long before the age of the dinosaurs, before there was even animal life, the supercontinent Rodinia breaks up.

Alaskans struggle to get through the everyday grind as a long, dark winter looms ahead.

The guys head to the turquoise waters of The Bahamas to try to catch venomous lionfish.

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.

After seven months walking, Lev reaches his final country: Egypt; he has 900 miles to go to the Mediterranean but the authorities give him just 45 days to finish.

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.

After seven months walking, Lev reaches his final country: Egypt; he has 900 miles to go to the Mediterranean but the authorities give him just 45 days to finish.

Alaskans struggle to get through the everyday grind as a long, dark winter looms ahead.

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

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.

Alaskans struggle to get through the everyday grind as a long, dark winter looms ahead.

Hope fights to save a family of foxes; the nursery is hit by a mysterious outbreak.

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.

From the icy peaks of age-old mountain glaciers to the fog-shrouded canopies of Canada's only rainforest, it's the wettest place in North America.

Hope fights to save a family of foxes; the nursery is hit by a mysterious outbreak.

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.

From the icy peaks of age-old mountain glaciers to the fog-shrouded canopies of Canada's only rainforest, it's the wettest place in North America.

Hope fights to save a family of foxes; the nursery is hit by a mysterious outbreak.

The looming winter forces Alaskans to tackle obstacles to ensure a prosperous winter.

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.

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.

After seven months walking, Lev reaches his final country: Egypt; he has 900 miles to go to the Mediterranean but the authorities give him just 45 days to finish.

The looming winter forces Alaskans to tackle obstacles to ensure a prosperous winter.