BBC Earth HD

Gregg Wallace is at Britain's biggest brewery, which produces three million pints of beer a day; he follows the production of Britain's best-selling lager, and gets to grips with brewing terms.

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

The story of how plant life turned Earth from a barren rock into a vibrant green world; a four-billion year saga of highs and lows that almost wiped out all life on the planet.

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.

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.

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

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

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.

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

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

Gregg Wallace gets exclusive access to one of the largest fresh milk processing plants on earth to see how they get milk from cow to carton in less than 24 hours. He reveals how one factory can process 2000 litres of milk in under a minute.

Gregg Wallace explores Ribena's Gloucestershire factory, which turns 90 percent of Britain's blackcurrants into soft drinks, producing 3 million bottles a week; Cherry Healey is harvesting the berries in Kent.

Gregg explores a coffee factory that produces 175,000 jars of coffee everyday; Cherry learns about coffee chemistry.

Gregg Wallace is inside one of the world's largest chocolate factories in York to discover how they produce a staggering 7 million bars a day. He follows the incredible 24 hour journey - from bean to bar - of one of our best-selling chocolates.

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

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

Some of the world's greatest scientists devise scenarios for destroying Earth.

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

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 Ridanovic casts for salmon.

A vanished Neolithic structure in an Irish farmer's field, an ancient oasis in the remote reaches of a Chinese desert, a centuries-old buried treasure in the UK and a dreaded predator in the Pacific Ocean are discovered by accident using drones.

The differences between the Northern and Southern Rockies.

Scientists postulate that Earth was once sheathed in ice and complex animals evolved when the planet thawed, due to the release of carbon dioxide.

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

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

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

Scientists work to find ways to safeguard Earth from potential threats posed by asteroids and other cosmic debris.

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

The sudden release of built-up magnetic energy in the solar atmosphere -- a solar storm -- affects Earth.

Sardinia boasts a notable number of centenarians, causing Zac to rethink his views on nutrition as he ponders how the locals live such long healthy lives.

The Earth's surface is changing faster than ever in human history: cities grow, forests disappear and glaciers melt; a man feeds thousands of parakeets in a city; in Sumatra, a female orangutan and her daughter face life in a forest under threat.

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

Sardinia boasts a notable number of centenarians, causing Zac to rethink his views on nutrition as he ponders how the locals live such long healthy lives.

The Earth's surface is changing faster than ever in human history: cities grow, forests disappear and glaciers melt; a man feeds thousands of parakeets in a city; in Sumatra, a female orangutan and her daughter face life in a forest under threat.

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

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

A look at the extraordinary riches and wonders of the polar regions and the people that have been visiting them for thousands of years.

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

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

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

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 Maori elder of the Ngati Apa ki te Ra To.

A Nazi weapon designed to turn the tides of WWII in Northern France; a secret Russian military tower in the shadow of the Chernobyl disaster; a forgotten Australian tunnel rumored to hide a nuclear lab; something shocking buried under Alcatraz.

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

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.

Over a hundred massive concrete arrows scattered across America; a giant chalk figure with an oversized phallus on an English hillside; a mysterious hole in the middle of a lake in Southern California.

The history of the formation of the world's largest freshwater lake system reveals many mysteries surrounding the geological phenomenon.

A series of violent and dramatic processes leads to the development of the universe, eventually leading to the existence of man.

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

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

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

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

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

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

The anticipation of the annual Great Migration is being felt by all of the Serengeti's families as they wait with great desperation for it to arrive; the land continues to get hotter and hunger starts to bite as food becomes even more scarce.

The surprising similarities humans share with whales; Steve goes on an underwater expedition to learn about singing humpbacks, matriarchal sperm whales and playful dolphins and examines how humans early fear of whales eventually turned to wonder.

Gregg Wallace goes to a historic factory in Germany that produces 600,000 pencils a day; at materials intake, he is astonished that the main material in a pencil is not lead but graphite; he helps mix this with clay to produce a 250-kilo batch.

The anticipation of the annual Great Migration is being felt by all of the Serengeti's families as they wait with great desperation for it to arrive; the land continues to get hotter and hunger starts to bite as food becomes even more scarce.

The surprising similarities humans share with whales; Steve goes on an underwater expedition to learn about singing humpbacks, matriarchal sperm whales and playful dolphins and examines how humans early fear of whales eventually turned to wonder.

Gregg Wallace goes to a historic factory in Germany that produces 600,000 pencils a day; at materials intake, he is astonished that the main material in a pencil is not lead but graphite; he helps mix this with clay to produce a 250-kilo batch.

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

Borneo is the richest rainforest island of all; home to 40,000 species of plants and animals, 6,000 of them are unique, and more are discovered almost daily.

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

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.

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

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

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

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

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

Some of the world's greatest scientists devise scenarios for destroying Earth.

Focusing on faraway landscapes that are bursting with fire and ice; Professor Cox goes on a journey across the solar system for a look at volcanic eruptions so vast they reach into space; learning why these violent explosions hold the keys to life.

Looking at the spaces between planets, where shadowy realms exist without light.

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

Professor Brian Cox explores the solar system's frozen worlds; he meets the dwarf planet where mountains of solid ice float across the surface, the black and white moon painted with frost and a world illuminated by a strange form of ice.

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.

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

The cubs' mother loses patience as they learn to hunt on their own.

The secretive lives of mountain animals; snow leopards come together to help a mother and cub, trapped between rival males.

When Earth first formed from clouds of dust and gas 4.6 billion years ago, it was devoid of an atmosphere, an inhospitable rock floating in the black void of space.

The cubs' mother loses patience as they learn to hunt on their own.

The secretive lives of mountain animals; snow leopards come together to help a mother and cub, trapped between rival males.

When Earth first formed from clouds of dust and gas 4.6 billion years ago, it was devoid of an atmosphere, an inhospitable rock floating in the black void of space.

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

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

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

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

Preparations for Hope's open house are derailed when a patient goes missing; the event may be too successful for its own good.

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

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

A moose on the loose raises a ruckus; a permanent resident becomes a lovable nuisance.

The best kept secrets of Nova Scotia.

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

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.

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.

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.

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.

Headphones are worn by over 30 million people in the UK; Hannah Fry visits legendary headphone honchos Bose to find out how today's teeny earbud tech works and meets the human testers with golden ears.

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.

Scientists uncover clues at a fossil dig site in North Dakota that reveal details about the day an asteroid struck Earth and wiped out the dinosaurs.

Exploring fossils from a North Dakota site that may reveal what happened when an asteroid struck Earth and wiped out the dinosaurs.

In the Philippines, the Taal volcano violently erupts; a snowboarder in Utah rescues himself from a snowy mountain; in the Grand Canyon, mud and rocks barrel down on a group of tourists.

Alaskans power through the dog days of summer.

As the sun fades across the land, Alaskans brace for Dark Winter's return.

In the Philippines, the Taal volcano violently erupts; a snowboarder in Utah rescues himself from a snowy mountain; in the Grand Canyon, mud and rocks barrel down on a group of tourists.

Alaskans power through the dog days of summer.

As the sun fades across the land, Alaskans brace for Dark Winter's return.

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

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

The remarkable story of how the Hubble Space Telescope has revealed the awe and wonder of our universe.