Alaskans confront the environment and themselves as winter bears down.

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

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

Alaskans confront the environment and themselves as winter bears down.

Bobcats are returned to the wild.

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.

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.

Bobcats are returned to the wild.

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.

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.

Bobcats are returned to the wild.

Alaskans rediscover old practices to get through the heart of winter.

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

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

Without volcanoes, life on Earth would never have begun; they are responsible for both the planet's breathable atmosphere and the oceans; mineral-rich ash from regular eruptions fertilize the land.

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 rediscover old practices to get through the heart of winter.

A Spinosaurus, the world's largest ever predatory dinosaur, struggles to bring up his babies and lead his young family across one of the deadliest environments on Earth.

Alaskans take advantage of a brief reprieve from Dark Winter's wrath.

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.

Levison begins his journey in Afghanistan's remote and inhospitable Wakhan Corridor.

Alaskans take advantage of a brief reprieve from Dark Winter's wrath.

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.

Levison begins his journey in Afghanistan's remote and inhospitable Wakhan Corridor.

Alaskans rediscover old practices to get through the heart of winter.

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

Alaskans take advantage of a brief reprieve from Dark Winter's wrath.

Alaskans rediscover old practices to get through the heart of winter.

Hope tries to save an injured fawn.

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.

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

Hope tries to save an injured fawn.

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.

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

Hope tries to save an injured fawn.

Alaskans take advantage of a brief reprieve from Dark Winter's wrath.

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

Alaskans take advantage of a brief reprieve from Dark Winter's wrath.

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.

Levison begins his journey in Afghanistan's remote and inhospitable Wakhan Corridor.

Alaskans take advantage of a brief reprieve from Dark Winter's wrath.

Coasts are the most changeable habitats of the ocean world.

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

An international team of volcanologists in Iceland.

In 1989, a ferocious explosion on the sun's surface released a cloud of highly charged particles containing the energy of 20 million nuclear bombs, and this solar superstorm then hit Earth; in Quebec, Canada, the lights suddenly went out.

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

An international team of volcanologists in Iceland.

In 1989, a ferocious explosion on the sun's surface released a cloud of highly charged particles containing the energy of 20 million nuclear bombs, and this solar superstorm then hit Earth; in Quebec, Canada, the lights suddenly went out.

Alaskans take advantage of a brief reprieve from Dark Winter's wrath.

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

Coasts are the most changeable habitats of the ocean world.

Alaskans take advantage of a brief reprieve from Dark Winter's wrath.

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

Hubble's Canvas reveals the masterpieces that abound in the universe.

After being dropped into the woods with no supplies, six Indigenous strangers learn to patch birchbark canoes.

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.

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

Hubble's Canvas reveals the masterpieces that abound in the universe.

After being dropped into the woods with no supplies, six Indigenous strangers learn to patch birchbark canoes.

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.

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

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

Coral Reefs are vibrant undersea cities where life has found ways to survive.

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

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.

Steve Backshall embarks on a mission to the steamy rainforests of Costa Rica; things get off to a breathtaking start when Steve is almost strangled by a giant boa constrictor.

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.

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

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

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

Steve returns home to the Atlantic waters of the British Isles as he considers the question of what humanity can do to ensure the enduring future of whales.

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

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

Steve returns home to the Atlantic waters of the British Isles as he considers the question of what humanity can do to ensure the enduring future of whales.

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

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

An international team of volcanologists in Iceland.

In 1989, a ferocious explosion on the sun's surface released a cloud of highly charged particles containing the energy of 20 million nuclear bombs, and this solar superstorm then hit Earth; in Quebec, Canada, the lights suddenly went out.

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

Gabriella and the others experience a wet, cold night; Elder Charlie demonstrates the art of starting fire; Michela's fears grow.

Caleb Musgrave teaches the Adventurers proper shelter construction.

From bagels and poutine to beavers and ice hockey, Griff Rhys Jones explores Quebec to learn how French Canada really is; he reveals how its history and diversity have helped to shape la belle province and the multicultural Canada of present times.

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

Gabriella and the others experience a wet, cold night; Elder Charlie demonstrates the art of starting fire; Michela's fears grow.

Caleb Musgrave teaches the Adventurers proper shelter construction.

From bagels and poutine to beavers and ice hockey, Griff Rhys Jones explores Quebec to learn how French Canada really is; he reveals how its history and diversity have helped to shape la belle province and the multicultural Canada of present times.

Alaskans take advantage of a brief reprieve from Dark Winter's wrath.

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

An international team of volcanologists in Iceland.

Levison begins his journey in Afghanistan's remote and inhospitable Wakhan Corridor.

Levison takes in the scenery in northern Pakistan's mountain valleys.

A Spinosaurus, the world's largest ever predatory dinosaur, struggles to bring up his babies and lead his young family across one of the deadliest environments on Earth.

In the Falkland Islands the crew runs across rockhopper penguins and the striated caracara.

Celebrating the end of the pole-to-pole expedition with Steve Backshall and his team in Antarctica, where he dives with king penguins and has a terrifying encounter with a predator of the Southern Ocean, the leopard seal.

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

Coasts are the most changeable habitats of the ocean world.

Exploring powerful lightning, mountains with strange, metallic frosts and monsoon rains on a moon that is a billion miles away from Earth.

Without volcanoes, life on Earth would never have begun; they are responsible for both the planet's breathable atmosphere and the oceans; mineral-rich ash from regular eruptions fertilize the land.

Coasts are the most changeable habitats of the ocean world.

Exploring powerful lightning, mountains with strange, metallic frosts and monsoon rains on a moon that is a billion miles away from Earth.

Without volcanoes, life on Earth would never have begun; they are responsible for both the planet's breathable atmosphere and the oceans; mineral-rich ash from regular eruptions fertilize the land.

Exploring powerful lightning, mountains with strange, metallic frosts and monsoon rains on a moon that is a billion miles away from Earth.

Alaskans confront the environment and themselves as winter bears down.

Alaskans rediscover old practices to get through the heart of winter.

Alaskans take advantage of a brief reprieve from Dark Winter's wrath.

Two birds with wing injuries.

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.

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.

Two birds with wing injuries.

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.

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.

Two birds with wing injuries.

Alaskans test their will and luck against Dark Winter's obstacles.

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.

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.

Exploring powerful lightning, mountains with strange, metallic frosts and monsoon rains on a moon that is a billion miles away from Earth.

Steve returns home to the Atlantic waters of the British Isles as he considers the question of what humanity can do to ensure the enduring future of whales.

Alaskans test their will and luck against Dark Winter's obstacles.

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

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

Levison reunites with his old friend Binod Parya who once saved his life.

Levison resumes his journey in Nepal, visiting a crash site 150 meters down a steep cliff.

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

Levison reunites with his old friend Binod Parya who once saved his life.

Levison resumes his journey in Nepal, visiting a crash site 150 meters down a steep cliff.

Alaskans test their will and luck against Dark Winter's obstacles.

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.

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

Alaskans test their will and luck against Dark Winter's obstacles.

A group of weasels is ready to be released; a volunteer attempts to rescue an eagle; a gull flies free.

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.

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.

A group of weasels is ready to be released; a volunteer attempts to rescue an eagle; a gull flies free.

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.

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.

A group of weasels is ready to be released; a volunteer attempts to rescue an eagle; a gull flies free.

Alaskans must rely on solid foundations to persist through Dark Winter.

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

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

Levison reunites with his old friend Binod Parya who once saved his life.

Levison resumes his journey in Nepal, visiting a crash site 150 meters down a steep cliff.

Alaskans must rely on solid foundations to persist through Dark Winter.

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

Encounters from the10,000-mile, 12-country journey from the Arctic to the Antarctic.

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.

Persued by a group of Utahraptors, a gang of armored dinosaurs battle to reach adulthood.

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.

Encounters from the10,000-mile, 12-country journey from the Arctic to the Antarctic.

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.

Persued by a group of Utahraptors, a gang of armored dinosaurs battle to reach adulthood.

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.

Alaskans must rely on solid foundations to persist through Dark Winter.

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

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

Alaskans must rely on solid foundations to persist through Dark Winter.

Preparations for the annual open house.

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.

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.

Preparations for the annual open house.

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.

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.

Preparations for the annual open house.

Alaskans push through the deep cold to increase their odds of survival.

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

Encounters from the10,000-mile, 12-country journey from the Arctic to the Antarctic.

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.

Persued by a group of Utahraptors, a gang of armored dinosaurs battle to reach adulthood.

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.

Alaskans push through the deep cold to increase their odds of survival.

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.

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

Sir David Attenborough explores the dangerous frontiers created by the world's coasts, where animals fight for survival amid constant change; there are some unexpected residents on Namibia's Skeleton Coast.

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.

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

Sir David Attenborough explores the dangerous frontiers created by the world's coasts, where animals fight for survival amid constant change; there are some unexpected residents on Namibia's Skeleton Coast.

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 push through the deep cold to increase their odds of survival.

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

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.

Alaskans push through the deep cold to increase their odds of survival.

Two orphaned bobcats struggle to bond.

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.

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.

Two orphaned bobcats struggle to bond.

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.

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.

Two orphaned bobcats struggle to bond.

Alaskans stand their ground as winter brings one final barrage.

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

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

Sir David Attenborough explores the dangerous frontiers created by the world's coasts, where animals fight for survival amid constant change; there are some unexpected residents on Namibia's Skeleton Coast.

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 stand their ground as winter brings one final barrage.

Persued by a group of Utahraptors, a gang of armored dinosaurs battle to reach adulthood.

Alaskans test their will and luck against Dark Winter's obstacles.

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

Levison reunites with his old friend Binod Parya who once saved his life.

Alaskans test their will and luck against Dark Winter's obstacles.

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

Levison reunites with his old friend Binod Parya who once saved his life.

Alaskans stand their ground as winter brings one final barrage.

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

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

Alaskans stand their ground as winter brings one final barrage.

Hope finally moves into the new rehab and the old buildings come down.

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.

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

Hope finally moves into the new rehab and the old buildings come down.

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.

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

Hope finally moves into the new rehab and the old buildings come down.

Alaskans brave the awakening landscape as the end of Winter nears.

Discovering how the moon shapes life on Earth.

Alaskans test their will and luck against Dark Winter's obstacles.

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

Levison reunites with his old friend Binod Parya who once saved his life.

Alaskans brave the awakening landscape as the end of Winter nears.

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.

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

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

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.

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

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

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.

Alaskans brave the awakening landscape as the end of Winter nears.

Discovering how the moon shapes life on Earth.

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 brave the awakening landscape as the end of Winter nears.

Hammerheads, Galapagos sharks, rays, and other species populate the waters of Cocos Island.

After a long paddle, Caleb and Brendan learn the art of net-making.

As Gabriella feels the effects of a lack of food, Elder Mary arrives with a gift and a teaching.

Griff Rhys Jones begins his exploration of Ontario and ponders why Canadians are so nice.

Hammerheads, Galapagos sharks, rays, and other species populate the waters of Cocos Island.

After a long paddle, Caleb and Brendan learn the art of net-making.

As Gabriella feels the effects of a lack of food, Elder Mary arrives with a gift and a teaching.

Griff Rhys Jones begins his exploration of Ontario and ponders why Canadians are so nice.

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

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

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

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.

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.

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.

Alaskans test their will and luck against Dark Winter's obstacles.