Viasat Nature

We dive into the planet's fiercest aquatic battlegrounds. From jaguars hunting caiman in the Pantanal to venomous platypus duels. Across continents, creatures fight to rule their watery domains.

The icy adventures continue for the hardy characters living in rural Alaska.

North America's Pacific coast sits on a very active stretch of Earth's crust, where slowly moving tectonic plates help create a long chain of volcanoes of nearly 10,000km.

Jeremy discovers issues putting the river at risk by tracing the migration of the dorado catfish.

Unmask the beauty of swamplands, which have inspired centuries of folklore and serve as a vital link between life and death. Swim with hungry crocodiles, and watch carnivorous plants snap up prey.

Follow along on a journey as we explore the mysteries of the Makgadikgadi pans through the eyes of a brown hyena mother and her clan as they navigate merciless temperatures.

We dive into the planet's fiercest aquatic battlegrounds. From jaguars hunting caiman in the Pantanal to venomous platypus duels. Across continents, creatures fight to rule their watery domains.

Dr James performs surgery on a tiny zebra finch; Dr Lucinda attends to Froggie, the green tree frog who is actually blue; Dr Shane treats a Macquarie turtle whose abscess has burst through its shell.

Jeremy meets spirited Americans who want to fix the river's problems.

Follow along on a journey as we explore the mysteries of the Makgadikgadi pans through the eyes of a brown hyena mother and her clan as they navigate merciless temperatures.

Gary searches for a gator in a drainage ditch while Arlie finds another hanging out in a pool, and the Gator Country team trade wrangling for educating as they hit the road for a show in Fort Worth.

Jeremy discovers issues putting the river at risk by tracing the migration of the dorado catfish.

Dr Hamish treats a bitey ferret called Nibbler, Dr James does a health check on Zeus the black-headed python, and Dr Michelle treats a talkative eclectus parrot with suspected reproductive problems.

Freeze time as water becomes a force of change in Earth's most frigid ecosystems. Hunt for seals with polar bears, and bathe in natural hot springs with macaques.

We dive into the planet's fiercest aquatic battlegrounds. From jaguars hunting caiman in the Pantanal to venomous platypus duels. Across continents, creatures fight to rule their watery domains.

Jeremy travels to Papua New Guinea to investigate a spate of bizarre deaths on the Sepik River; he is on the trail of a creature that has been tearing chunks out of fishermen.

The icy adventures continue for the hardy characters living in rural Alaska.

Is the secret to success in a fast-changing world becoming a wild commuter?

We dive into the planet's fiercest aquatic battlegrounds. From jaguars hunting caiman in the Pantanal to venomous platypus duels. Across continents, creatures fight to rule their watery domains.

The icy adventures continue for the hardy characters living in rural Alaska.

Europe sits on active tectonic zones, from Iceland to Italy. Ancient volcanoes under its cities and coasts still pose risks that could affect Europe and beyond.

Jeremy travels to Papua New Guinea to investigate a spate of bizarre deaths on the Sepik River; he is on the trail of a creature that has been tearing chunks out of fishermen.

The icy adventures continue for the hardy characters living in rural Alaska.

Freeze time as water becomes a force of change in Earth's most frigid ecosystems. Hunt for seals with polar bears, and bathe in natural hot springs with macaques.

We dive into the planet's fiercest aquatic battlegrounds. From jaguars hunting caiman in the Pantanal to venomous platypus duels. Across continents, creatures fight to rule their watery domains.

Jeremy travels to Papua New Guinea to investigate a spate of bizarre deaths on the Sepik River; he is on the trail of a creature that has been tearing chunks out of fishermen.

The icy adventures continue for the hardy characters living in rural Alaska.

Is the secret to success in a fast-changing world becoming a wild commuter?

We explore the planet's fiercest alpine arenas. Bobcats hunt through snowbound forests, red foxes track mice under ice, and snow leopards risk fatal falls in Himalayan chases.

The icy adventures continue for the hardy characters living in rural Alaska.

Europe sits on active tectonic zones, from Iceland to Italy. Ancient volcanoes under its cities and coasts still pose risks that could affect Europe and beyond.

Jeremy travels to Papua New Guinea to investigate a spate of bizarre deaths on the Sepik River; he is on the trail of a creature that has been tearing chunks out of fishermen.

Freeze time as water becomes a force of change in Earth's most frigid ecosystems. Hunt for seals with polar bears, and bathe in natural hot springs with macaques.

We dive into the planet's fiercest aquatic battlegrounds. From jaguars hunting caiman in the Pantanal to venomous platypus duels. Across continents, creatures fight to rule their watery domains.

We explore the planet's fiercest alpine arenas. Bobcats hunt through snowbound forests, red foxes track mice under ice, and snow leopards risk fatal falls in Himalayan chases.

Europe sits on active tectonic zones, from Iceland to Italy. Ancient volcanoes under its cities and coasts still pose risks that could affect Europe and beyond.

Dr Hamish treats a bitey ferret called Nibbler, Dr James does a health check on Zeus the black-headed python, and Dr Michelle treats a talkative eclectus parrot with suspected reproductive problems.

Jeremy travels to Papua New Guinea to investigate a spate of bizarre deaths on the Sepik River; he is on the trail of a creature that has been tearing chunks out of fishermen.

Freeze time as water becomes a force of change in Earth's most frigid ecosystems. Hunt for seals with polar bears, and bathe in natural hot springs with macaques.

Gary, Shannon, Callie and Damon try to catch a ten-foot alligator in a muddy mess, and there is one big problem near a local golf course when a gator gets stuck near a busy street.

Jeremy travels to Papua New Guinea to investigate a spate of bizarre deaths on the Sepik River; he is on the trail of a creature that has been tearing chunks out of fishermen.

Patrick Aryree investigates how life evolved ways to thrive in all corners of the planet.

The animals and people of the Gulf Stream, a current that crosses the North Atlantic.

We explore the planet's fiercest alpine arenas. Bobcats hunt through snowbound forests, red foxes track mice under ice, and snow leopards risk fatal falls in Himalayan chases.

Jeremy is on the trail of a mysterious man-eater; is this beast a mere legend, or could it be the same flesh-and-blood creature that has attacked divers, seized a child, and eaten sheep alive?

The icy adventures continue for the hardy characters living in rural Alaska.

As cities grow, animals are displaced. Witness their stories of conflict and resolution.

We explore the planet's fiercest alpine arenas. Bobcats hunt through snowbound forests, red foxes track mice under ice, and snow leopards risk fatal falls in Himalayan chases.

The icy adventures continue for the hardy characters living in rural Alaska.

Volcanoes are among Earth's most powerful forces. From Vesuvius to Hunga Tonga, they can devastate climates and cities, yet also shape land, soils, and life.

Jeremy is on the trail of a mysterious man-eater; is this beast a mere legend, or could it be the same flesh-and-blood creature that has attacked divers, seized a child, and eaten sheep alive?

The icy adventures continue for the hardy characters living in rural Alaska.

The animals and people of the Gulf Stream, a current that crosses the North Atlantic.

We explore the planet's fiercest alpine arenas. Bobcats hunt through snowbound forests, red foxes track mice under ice, and snow leopards risk fatal falls in Himalayan chases.

Jeremy is on the trail of a mysterious man-eater; is this beast a mere legend, or could it be the same flesh-and-blood creature that has attacked divers, seized a child, and eaten sheep alive?

The icy adventures continue for the hardy characters living in rural Alaska.

As cities grow, animals are displaced. Witness their stories of conflict and resolution.

We cross continents to reveal the world's most dramatic survival arenas. From lionesses hunting zebra to dingoes clashing with echidnas, every grassland teems with rivalry and risk.

The icy adventures continue for the hardy characters living in rural Alaska.

Volcanoes are among Earth's most powerful forces. From Vesuvius to Hunga Tonga, they can devastate climates and cities, yet also shape land, soils, and life.

Jeremy is on the trail of a mysterious man-eater; is this beast a mere legend, or could it be the same flesh-and-blood creature that has attacked divers, seized a child, and eaten sheep alive?

The animals and people of the Gulf Stream, a current that crosses the North Atlantic.

We explore the planet's fiercest alpine arenas. Bobcats hunt through snowbound forests, red foxes track mice under ice, and snow leopards risk fatal falls in Himalayan chases.

We cross continents to reveal the world's most dramatic survival arenas. From lionesses hunting zebra to dingoes clashing with echidnas, every grassland teems with rivalry and risk.

Volcanoes are among Earth's most powerful forces. From Vesuvius to Hunga Tonga, they can devastate climates and cities, yet also shape land, soils, and life.

Patrick Aryree investigates how life evolved ways to thrive in all corners of the planet.

Jeremy is on the trail of a mysterious man-eater; is this beast a mere legend, or could it be the same flesh-and-blood creature that has attacked divers, seized a child, and eaten sheep alive?

The animals and people of the Gulf Stream, a current that crosses the North Atlantic.

Gary, Arlie and Jake search for a gator in an RV park, Shannon finds a timber rattlesnake at a local business, and the team trade gators with their sister park in South Padre Island, Texas.

Jeremy is on the trail of a mysterious man-eater; is this beast a mere legend, or could it be the same flesh-and-blood creature that has attacked divers, seized a child, and eaten sheep alive?

Patrick explores the single most important driver of evolution: survival. He encounters animals that adapted over time and discovers how they are inspiring new technologies.

In the vast South Atlantic, extreme isolation and abyssal depths host a world of bizarre creatures.

We cross continents to reveal the world's most dramatic survival arenas. From lionesses hunting zebra to dingoes clashing with echidnas, every grassland teems with rivalry and risk.

Jeremy Wade travels to the Parana River in Argentina to investigate a chilling creature the locals call river dog.

The icy adventures continue for the hardy characters living in rural Alaska.

This is the story of nature's greatest mums, an intimate portrait of the lives of animal mothers - big and small - and the unique challenges they face in looking after their offspring.

We cross continents to reveal the world's most dramatic survival arenas. From lionesses hunting zebra to dingoes clashing with echidnas, every grassland teems with rivalry and risk.

The icy adventures continue for the hardy characters living in rural Alaska.

Volcanoes are among Earth's most powerful forces. From Vesuvius to Hunga Tonga, they can devastate climates and cities, yet also shape land, soils, and life.

Jeremy Wade travels to the Parana River in Argentina to investigate a chilling creature the locals call river dog.

The icy adventures continue for the hardy characters living in rural Alaska.

In the vast South Atlantic, extreme isolation and abyssal depths host a world of bizarre creatures.

We cross continents to reveal the world's most dramatic survival arenas. From lionesses hunting zebra to dingoes clashing with echidnas, every grassland teems with rivalry and risk.

Jeremy Wade travels to the Parana River in Argentina to investigate a chilling creature the locals call river dog.

Brutal storms threaten the lives of those living in the Arctic as they enter the start if the long dark winter.

This is the story of nature's greatest mums, an intimate portrait of the lives of animal mothers - big and small - and the unique challenges they face in looking after their offspring.

We uncover nature's fiercest rivalries where oceans collide with land. From white sharks ambushing seals to polar bears battling walruses, this episode captures the ultimate frontier.

Brutal storms threaten the lives of those living in the Arctic as they enter the start if the long dark winter.

Volcanoes are among Earth's most powerful forces. From Vesuvius to Hunga Tonga, they can devastate climates and cities, yet also shape land, soils, and life.

Jeremy Wade travels to the Parana River in Argentina to investigate a chilling creature the locals call river dog.

In the vast South Atlantic, extreme isolation and abyssal depths host a world of bizarre creatures.

We cross continents to reveal the world's most dramatic survival arenas. From lionesses hunting zebra to dingoes clashing with echidnas, every grassland teems with rivalry and risk.

We uncover nature's fiercest rivalries where oceans collide with land. From white sharks ambushing seals to polar bears battling walruses, this episode captures the ultimate frontier.

Volcanoes are among Earth's most powerful forces. From Vesuvius to Hunga Tonga, they can devastate climates and cities, yet also shape land, soils, and life.

Patrick explores the single most important driver of evolution: survival. He encounters animals that adapted over time and discovers how they are inspiring new technologies.

Jeremy Wade travels to the Parana River in Argentina to investigate a chilling creature the locals call river dog.

In the vast South Atlantic, extreme isolation and abyssal depths host a world of bizarre creatures.

Arlie constructs an ingenious new invention to help catch gators - but the results are mixed - Shannon charms a shy gator, and trouble is afoot for Arlie and Jessica away from the park.

Jeremy Wade travels to the Parana River in Argentina to investigate a chilling creature the locals call river dog.

Patrick investigates evolution's regenerative secrets; could the next major medical breakthroughs be hiding in deadly scorpions, prehistoric predators, or even the smallest animals on Earth?

Extreme heat in Africa unleashes terrifying hurricanes, causing chaos.

We uncover nature's fiercest rivalries where oceans collide with land. From white sharks ambushing seals to polar bears battling walruses, this episode captures the ultimate frontier.

Jeremy heads to a remote river in the Australian outback to try and catch the rare but fearsome freshwater sawfish; this shadowy predator is said to reach 18 feet long and attack boats.

Brutal storms threaten the lives of those living in the Arctic as they enter the start if the long dark winter.

Weirdness is baked in from birth for many animals, from the aquatic pond-dwelling origins of the dragonfly to the funky mating dance that New Guinea's flame bowerbird uses to attract a mate.

We uncover nature's fiercest rivalries where oceans collide with land. From white sharks ambushing seals to polar bears battling walruses, this episode captures the ultimate frontier.

Brutal storms threaten the lives of those living in the Arctic as they enter the start if the long dark winter.

Europe is home to 100 active volcanoes; volcanic eruptions can turn out to be disastrous for the continent. Could Europe once again fall victim to a major and devastating volcanic eruption?

Jeremy heads to a remote river in the Australian outback to try and catch the rare but fearsome freshwater sawfish; this shadowy predator is said to reach 18 feet long and attack boats.

Brutal storms threaten the lives of those living in the Arctic as they enter the start if the long dark winter.

Extreme heat in Africa unleashes terrifying hurricanes, causing chaos.

We uncover nature's fiercest rivalries where oceans collide with land. From white sharks ambushing seals to polar bears battling walruses, this episode captures the ultimate frontier.

Jeremy heads to a remote river in the Australian outback to try and catch the rare but fearsome freshwater sawfish; this shadowy predator is said to reach 18 feet long and attack boats.

The struggle for survival in Alaska for Sue, Jessie, and the Hailstones.

Weirdness is baked in from birth for many animals, from the aquatic pond-dwelling origins of the dragonfly to the funky mating dance that New Guinea's flame bowerbird uses to attract a mate.

Follow along on a journey as we explore the mysteries of the Makgadikgadi pans through the eyes of a brown hyena mother and her clan as they navigate merciless temperatures.

The struggle for survival in Alaska for Sue, Jessie, and the Hailstones.

Europe is home to 100 active volcanoes; volcanic eruptions can turn out to be disastrous for the continent. Could Europe once again fall victim to a major and devastating volcanic eruption?

Jeremy heads to a remote river in the Australian outback to try and catch the rare but fearsome freshwater sawfish; this shadowy predator is said to reach 18 feet long and attack boats.

Extreme heat in Africa unleashes terrifying hurricanes, causing chaos.

We uncover nature's fiercest rivalries where oceans collide with land. From white sharks ambushing seals to polar bears battling walruses, this episode captures the ultimate frontier.

Follow along on a journey as we explore the mysteries of the Makgadikgadi pans through the eyes of a brown hyena mother and her clan as they navigate merciless temperatures.

Europe is home to 100 active volcanoes; volcanic eruptions can turn out to be disastrous for the continent. Could Europe once again fall victim to a major and devastating volcanic eruption?

Patrick investigates evolution's regenerative secrets; could the next major medical breakthroughs be hiding in deadly scorpions, prehistoric predators, or even the smallest animals on Earth?

Jeremy heads to a remote river in the Australian outback to try and catch the rare but fearsome freshwater sawfish; this shadowy predator is said to reach 18 feet long and attack boats.

Extreme heat in Africa unleashes terrifying hurricanes, causing chaos.

North America's Pacific coast sits on a very active stretch of Earth's crust, where slowly moving tectonic plates help create a long chain of volcanoes of nearly 10,000km.

Europe sits on active tectonic zones, from Iceland to Italy. Ancient volcanoes under its cities and coasts still pose risks that could affect Europe and beyond.

We dive into the planet's fiercest aquatic battlegrounds. From jaguars hunting caiman in the Pantanal to venomous platypus duels. Across continents, creatures fight to rule their watery domains.

We explore the planet's fiercest alpine arenas. Bobcats hunt through snowbound forests, red foxes track mice under ice, and snow leopards risk fatal falls in Himalayan chases.

We cross continents to reveal the world's most dramatic survival arenas. From lionesses hunting zebra to dingoes clashing with echidnas, every grassland teems with rivalry and risk.

We uncover nature's fiercest rivalries where oceans collide with land. From white sharks ambushing seals to polar bears battling walruses, this episode captures the ultimate frontier.

Follow along on a journey as we explore the mysteries of the Makgadikgadi pans through the eyes of a brown hyena mother and her clan as they navigate merciless temperatures.

The icy adventures continue for the hardy characters living in rural Alaska.

The icy adventures continue for the hardy characters living in rural Alaska.

The icy adventures continue for the hardy characters living in rural Alaska.

Brutal storms threaten the lives of those living in the Arctic as they enter the start if the long dark winter.

The struggle for survival in Alaska for Sue, Jessie, and the Hailstones.

Alison and Jeremy pay tribute to their highly-respected colleague and wildlife vet John Lewis, and chimp Jestah is back outside with his troop following surgery.

Alison is on an emergency mission to the Midlands to collect a Geoffroys marmoset that has been separated from his sibling, but he's not the only new arrival.

Vets are called to the park due to serious concerns for the health of elderly chimp Zoe, and Mueller's gibbon Dalumie enjoys a pamper session.

Female orangutans RoRo and Lucky are reintroduced in the hope they can learn to live together, and woolly monkey Carlos is at full stretch for a breakfast treat.

Follow baby animals as they learn to communicate to survive, using sound to call for help in their early days.

David Attenborough attempts to animate the life of the ichthyosaur whose fossil remains were found in Dorset.

The first rule of nature's Fight Club is that there are no rules; the demands of evolution are such that survival strategies often turn violent and opponents can be prey or predator.

Attitude is everything and the weirdest survival strategies are wielded by the most successful species, from gangs of pygmy elephants and proboscis monkeys to solitary sharks and octopuses.

We dive into the planet's fiercest aquatic battlegrounds. From jaguars hunting caiman in the Pantanal to venomous platypus duels. Across continents, creatures fight to rule their watery domains.

We explore the planet's fiercest alpine arenas. Bobcats hunt through snowbound forests, red foxes track mice under ice, and snow leopards risk fatal falls in Himalayan chases.

We cross continents to reveal the world's most dramatic survival arenas. From lionesses hunting zebra to dingoes clashing with echidnas, every grassland teems with rivalry and risk.

We uncover nature's fiercest rivalries where oceans collide with land. From white sharks ambushing seals to polar bears battling walruses, this episode captures the ultimate frontier.

Follow along on a journey as we explore the mysteries of the Makgadikgadi pans through the eyes of a brown hyena mother and her clan as they navigate merciless temperatures.

Follow baby animals as they learn to communicate to survive, using sound to call for help in their early days.

David Attenborough attempts to animate the life of the ichthyosaur whose fossil remains were found in Dorset.

The first rule of nature's Fight Club is that there are no rules; the demands of evolution are such that survival strategies often turn violent and opponents can be prey or predator.

Attitude is everything and the weirdest survival strategies are wielded by the most successful species, from gangs of pygmy elephants and proboscis monkeys to solitary sharks and octopuses.

Gary, Arlie and Damon rescue two gators - one near a restaurant and the other at an industrial equipment supplier - while the team gets Gator Country ready for the busiest day of the year.

Volcanoes are among Earth's most powerful forces. From Vesuvius to Hunga Tonga, they can devastate climates and cities, yet also shape land, soils, and life.

The icy adventures continue for the hardy characters living in rural Alaska.

The icy adventures continue for the hardy characters living in rural Alaska.

The icy adventures continue for the hardy characters living in rural Alaska.

Brutal storms threaten the lives of those living in the Arctic as they enter the start if the long dark winter.

The struggle for survival in Alaska for Sue, Jessie, and the Hailstones.

We dive into the planet's fiercest aquatic battlegrounds. From jaguars hunting caiman in the Pantanal to venomous platypus duels. Across continents, creatures fight to rule their watery domains.

We explore the planet's fiercest alpine arenas. Bobcats hunt through snowbound forests, red foxes track mice under ice, and snow leopards risk fatal falls in Himalayan chases.

We cross continents to reveal the world's most dramatic survival arenas. From lionesses hunting zebra to dingoes clashing with echidnas, every grassland teems with rivalry and risk.

We uncover nature's fiercest rivalries where oceans collide with land. From white sharks ambushing seals to polar bears battling walruses, this episode captures the ultimate frontier.

Follow along on a journey as we explore the mysteries of the Makgadikgadi pans through the eyes of a brown hyena mother and her clan as they navigate merciless temperatures.

Stealth separates predator from prey in the evolutionary arms race; chameleons vanish among the leaves, stick insects blend into the flora, and long-eared owls have mastered silent flight.

We discover how some animals communicate when they need to work as a team; using a variety of techniques including sound, touch and visual displays, animals can come together and work as a group.

The history of birds begins 220 million years ago; a recent discovery of the oldest fossil of a modern bird brings new clues as to how and why only they survived the asteroid that hit Earth.

Nature documentary - Ep. 2. The history of birds begins 220 million years ago; a recent discovery of the oldest fossil of a modern bird brings new clues as to how and why only they survived the asteroid that hit Earth.

Join palaeontologists and scientists on a field trip that reveals the remarkable story of whale evolution and investigate how whales lost their legs and went back into the sea.

Explore the world of the blue whale, a species rebounding from the brink of extinction. They are the largest animals ever to have lived, bigger than any dinosaur, yet we know very little about them.

Unmask the beauty of swamplands, which have inspired centuries of folklore and serve as a vital link between life and death. Swim with hungry crocodiles, and watch carnivorous plants snap up prey.

Freeze time as water becomes a force of change in Earth's most frigid ecosystems. Hunt for seals with polar bears, and bathe in natural hot springs with macaques.

The animals and people of the Gulf Stream, a current that crosses the North Atlantic.

In the vast South Atlantic, extreme isolation and abyssal depths host a world of bizarre creatures.

Extreme heat in Africa unleashes terrifying hurricanes, causing chaos.

The history of birds begins 220 million years ago; a recent discovery of the oldest fossil of a modern bird brings new clues as to how and why only they survived the asteroid that hit Earth.

Nature documentary - Ep. 2. The history of birds begins 220 million years ago; a recent discovery of the oldest fossil of a modern bird brings new clues as to how and why only they survived the asteroid that hit Earth.

Dr James performs surgery on a tiny zebra finch; Dr Lucinda attends to Froggie, the green tree frog who is actually blue; Dr Shane treats a Macquarie turtle whose abscess has burst through its shell.

Dr Hamish treats a bitey ferret called Nibbler, Dr James does a health check on Zeus the black-headed python, and Dr Michelle treats a talkative eclectus parrot with suspected reproductive problems.

Patrick Aryree investigates how life evolved ways to thrive in all corners of the planet.

Gary searches for a gator in a drainage ditch while Arlie finds another hanging out in a pool, and the Gator Country team trade wrangling for educating as they hit the road for a show in Fort Worth.

Arlie and his son Blue have five hours of father-son fun rescuing a gator in a pond, the team gather eggs from gator nests at the park, and an alligator goes looking for a chicken dinner.

Jeremy heads to a remote river in the Australian outback to try and catch the rare but fearsome freshwater sawfish; this shadowy predator is said to reach 18 feet long and attack boats.

Patrick goes in search of the animals that have mastered the art of protection; from invisible octopuses to invincible cockroaches, they inspire scientists to create new survival technologies.

We visit the high seas, the vast expanse of open ocean that covers half our planet in a blanket of blue; the Pacific is so big that you could fit all seven continents inside it easily.

The moment between predator and prey is a dramatic event in nature - for one it's a meal, for the other a matter of life and death. We look at the strategies top predators use to catch their prey.

Jeremy travels to Brazil's "wild west" in search of a river monster that has killed three cowboys; he has to combat all his fears to catch this culprit when one is finally cornered.

The struggle for survival in Alaska for Sue, Jessie, and the Hailstones.

We discover snakes that fly, big-eyed nocturnal primates that turn into ninja killers when the sun sets, and foxes that sense the Earth's geomagnetic currents to help pinpoint their prey.

The moment between predator and prey is a dramatic event in nature - for one it's a meal, for the other a matter of life and death. We look at the strategies top predators use to catch their prey.

The struggle for survival in Alaska for Sue, Jessie, and the Hailstones.

Featuring a monster volcanic eruption that ushered in the medieval 'Little Ice Age', destroyed a whole kingdom, and left its mark on both of the Earth's poles.

Jeremy heads to a remote river in the Australian outback to try and catch the rare but fearsome freshwater sawfish; this shadowy predator is said to reach 18 feet long and attack boats.

The struggle for survival in Alaska for Sue, Jessie, and the Hailstones.

We visit the high seas, the vast expanse of open ocean that covers half our planet in a blanket of blue; the Pacific is so big that you could fit all seven continents inside it easily.

The moment between predator and prey is a dramatic event in nature - for one it's a meal, for the other a matter of life and death. We look at the strategies top predators use to catch their prey.

Jeremy heads to a remote river in the Australian outback to try and catch the rare but fearsome freshwater sawfish; this shadowy predator is said to reach 18 feet long and attack boats.

The icy adventures continue for the hardy characters living in rural Alaska.

We discover snakes that fly, big-eyed nocturnal primates that turn into ninja killers when the sun sets, and foxes that sense the Earth's geomagnetic currents to help pinpoint their prey.