The Tropics: The spy creatures infiltrate a hippo pod, a nursery of red flying foxes and the secret world of pygmy forest elephants. S2 E1.

The Tropics: The spy creatures infiltrate a hippo pod, a nursery of red flying foxes and the secret world of pygmy forest elephants. S2 E1.

Find Your Own Way: Heather, who's 65, is rushed to Queen's after she's found collapsed in the park. Long-serving member of the team Deanna talks about her previous struggles with addiction. S19 E19.

Find Your Own Way: Heather, who's 65, is rushed to Queen's after she's found collapsed in the park. Long-serving member of the team Deanna talks about her previous struggles with addiction. S19 E19.

Say You'll Be There: After a car mounts the pavement, three pedestrians are brought to Queen's with serious injuries. Jodie's cut her leg on glass on a night out. And is 61-year-old Crispin having a stroke? S19 E20.

The Last Roll of the Dice: Roofer Simon has fallen two storeys onto concrete. Evelyn's burnt her finger on a cheese stick, and 97-year-old Doris is in Resus with a fast heart rate. S19 E21.

Birds: From the Equator to the Poles, this episode looks at how birds' feathers help them to survive in almost any environment. S1 E5.

Night Country: Alaskans soldier through the heart of dark winter in pursuit of the resources they desperately need for survival. S12 E8.

Seasonal Worlds: Seasonal worlds are dominated by relentless change. For plants to survive they must get their timing right. S1 E3.

Extremes: David Attenborough presents an extreme world where animals battle to survive the elements - and life exists on a knife edge. S3 E6.

Episode 2: The second year of a definitive seven-year diary, documenting the fight to save our planet's most threatened ecosystems. Six presenters meet the people fighting to restore the balance. S2 E2.

The Tropics: The spy creatures infiltrate a hippo pod, a nursery of red flying foxes and the secret world of pygmy forest elephants. S2 E1.

Find Your Own Way: Heather, who's 65, is rushed to Queen's after she's found collapsed in the park. Long-serving member of the team Deanna talks about her previous struggles with addiction. S19 E19.

Say You'll Be There: After a car mounts the pavement, three pedestrians are brought to Queen's with serious injuries. Jodie's cut her leg on glass on a night out. And is 61-year-old Crispin having a stroke? S19 E20.

The Last Roll of the Dice: Roofer Simon has fallen two storeys onto concrete. Evelyn's burnt her finger on a cheese stick, and 97-year-old Doris is in Resus with a fast heart rate. S19 E21.

Night Country: Alaskans soldier through the heart of dark winter in pursuit of the resources they desperately need for survival. S12 E8.

Night Country: Alaskans soldier through the heart of dark winter in pursuit of the resources they desperately need for survival. S12 E8.

Birds: From the Equator to the Poles, this episode looks at how birds' feathers help them to survive in almost any environment. S1 E5.

Birds: From the Equator to the Poles, this episode looks at how birds' feathers help them to survive in almost any environment. S1 E5.

Hide and Seek: The very last filming trip for the Birds episode for Life was perhaps the most challenging for cameraman Barrie Britton and assistant producer Stephen Lyle. S1 E5.

Circle of Life: Incredible ceremonies to mark birth, marriage and death. In the Amazon, a Kayapo family performs rituals to protect a baby from their ancestors' spirits. S1 E1.

Extremes: David Attenborough presents an extreme world where animals battle to survive the elements - and life exists on a knife edge. S3 E6.

Extremes: A behind-the-scenes look at the final chapter of the Planet Earth trilogy, which explores the greatest habitats on our amazing planet. S1 E6.

Find Your Own Way: Heather, who's 65, is rushed to Queen's after she's found collapsed in the park. Long-serving member of the team Deanna talks about her previous struggles with addiction. S19 E19.

Say You'll Be There: After a car mounts the pavement, three pedestrians are brought to Queen's with serious injuries. Jodie's cut her leg on glass on a night out. And is 61-year-old Crispin having a stroke? S19 E20.

The Last Roll of the Dice: Roofer Simon has fallen two storeys onto concrete. Evelyn's burnt her finger on a cheese stick, and 97-year-old Doris is in Resus with a fast heart rate. S19 E21.

The Tropics: The spy creatures infiltrate a hippo pod, a nursery of red flying foxes and the secret world of pygmy forest elephants. S2 E1.

Birds: From the Equator to the Poles, this episode looks at how birds' feathers help them to survive in almost any environment. S1 E5.

Night Country: Alaskans soldier through the heart of dark winter in pursuit of the resources they desperately need for survival. S12 E8.

Seasonal Worlds: Seasonal worlds are dominated by relentless change. For plants to survive they must get their timing right. S1 E3.

Initiation: Initiation rituals are spectacular, with the power to change who you are. In Papua New Guinea, boys endure brutal skin cutting to become men. S1 E2.

The North: The Spy Creatures travel to the temperate lands north of the tropics, where life is governed by the rhythm of the seasons. Their destinations include Japan, Mexico and Alaska. S2 E2.

Wilderness Island, Australia: Ben Fogle reunites with a couple living off the west coast of Australia, and discovers the logistical nightmares they have overcome to make a home for themselves on a desert island. S2 E3.

Arkansas, USA: Ben Fogle reunites with a former medical student living in the woodlands of Arkansas. Ben discovers the impact a series of injuries have had on his physically demanding wild lifestyle. S2 E4.

Fiji, Pacific Ocean: Ben Fogle is reunited with seafarer Rick. When Rick last appeared on the series, he was living off the coast of French Polynesia, but he has since made a fresh start on the Pacific island of Fiji. S2 E5.

Insects: A look at insects' survival techniques, from beetles who spray boiling chemicals at their enemies, to marching columns of grass cutter ants. S1 E6.

Rites of Winter: Alaskans soldier through the heart of dark winter in pursuit of the resources they desperately need for survival. S12 E9.

: Join Sir David Attenborough and meet the big birds who have never flown a day in their lives. From ostriches to kiwis, these bizarre birds appear to be nature's greatest novelty act. S1 E1.

Africa: Africa - home to the greatest wildlife gatherings on earth. But even in this land of plenty, wildlife faces huge challenges. S1 E7.

: Sir David Attenborough focuses on endangered species and the fast-looming extinction crisis that so many animals have fallen victim to. S1 E1.

The North: The Spy Creatures travel to the temperate lands north of the tropics, where life is governed by the rhythm of the seasons. Their destinations include Japan, Mexico and Alaska. S2 E2.

Wilderness Island, Australia: Ben Fogle reunites with a couple living off the west coast of Australia, and discovers the logistical nightmares they have overcome to make a home for themselves on a desert island. S2 E3.

Arkansas, USA: Ben Fogle reunites with a former medical student living in the woodlands of Arkansas. Ben discovers the impact a series of injuries have had on his physically demanding wild lifestyle. S2 E4.

Fiji, Pacific Ocean: Ben Fogle is reunited with seafarer Rick. When Rick last appeared on the series, he was living off the coast of French Polynesia, but he has since made a fresh start on the Pacific island of Fiji. S2 E5.

Rites of Winter: Alaskans soldier through the heart of dark winter in pursuit of the resources they desperately need for survival. S12 E9.

Insects: A look at insects' survival techniques, from beetles who spray boiling chemicals at their enemies, to marching columns of grass cutter ants. S1 E6.

Flying with Butterflies: The team wanted to 'fly' a camera through the thousands of monarch butterflies during their mass hibernation in the Mexican forests. S1 E6.

Initiation: Initiation rituals are spectacular, with the power to change who you are. In Papua New Guinea, boys endure brutal skin cutting to become men. S1 E2.

Africa: Africa - home to the greatest wildlife gatherings on earth. But even in this land of plenty, wildlife faces huge challenges. S1 E7.

Wilderness Island, Australia: Ben Fogle reunites with a couple living off the west coast of Australia, and discovers the logistical nightmares they have overcome to make a home for themselves on a desert island. S2 E3.

Arkansas, USA: Ben Fogle reunites with a former medical student living in the woodlands of Arkansas. Ben discovers the impact a series of injuries have had on his physically demanding wild lifestyle. S2 E4.

Fiji, Pacific Ocean: Ben Fogle is reunited with seafarer Rick. When Rick last appeared on the series, he was living off the coast of French Polynesia, but he has since made a fresh start on the Pacific island of Fiji. S2 E5.

The North: The Spy Creatures travel to the temperate lands north of the tropics, where life is governed by the rhythm of the seasons. Their destinations include Japan, Mexico and Alaska. S2 E2.

Insects: A look at insects' survival techniques, from beetles who spray boiling chemicals at their enemies, to marching columns of grass cutter ants. S1 E6.

Rites of Winter: Alaskans soldier through the heart of dark winter in pursuit of the resources they desperately need for survival. S12 E9.

: Join Sir David Attenborough and meet the big birds who have never flown a day in their lives. From ostriches to kiwis, these bizarre birds appear to be nature's greatest novelty act. S1 E1.

Power of Nature: Rituals help us survive and honour the power of nature. An Inuit boy must shoot a seal on sea ice in his rite of passage to become a hunter. S1 E3.

The Islands: The spy creatures explore the islands of the southern seas. Some of the most unique animals on earth have evolved in these isolated places, far from any mainland. S2 E3.

Episode 1: The first three critical months are when our animal babies have to rapidly get to grips with their new family and the challenges of the environment that surrounds them. S1 E1.

Episode 2: From around three months old, our animal babies can all get around on their own, but that means the impact of their environment and the struggle to find food really begin to hit home. S1 E2.

Episode 3: As six animal babies approach the end of their first year on Earth, they must take on the most complex challenges of their lives. S1 E3.

Hunters And Hunted: A look at the hunter and the hunted in the animal kingdom, including cheetahs, Ethiopian wolves, star-nosed moles, and the greater bulldog bat. S1 E7.

Tastes Like Home: Alaskans soldier through the heart of dark winter in pursuit of the resources they desperately need for survival. S12 E10.

Zambia: Ben journeys into Zambia to live with a British family who have built a safari lodge on the edge of a national park. In the process, Ben uncovers what motivates them to keep going. S10 E5.

Spring: As spring lights up the land, Alaska faces one of the greatest transformations on earth. Temperatures soar, and as the sun's rays hit the snow and ice, water, light and warmth return. S1 E1.

Seasonal Worlds: Seasonal worlds are dominated by relentless change. For plants to survive they must get their timing right. S1 E3.

The Islands: The spy creatures explore the islands of the southern seas. Some of the most unique animals on earth have evolved in these isolated places, far from any mainland. S2 E3.

Episode 1: The first three critical months are when our animal babies have to rapidly get to grips with their new family and the challenges of the environment that surrounds them. S1 E1.

Episode 2: From around three months old, our animal babies can all get around on their own, but that means the impact of their environment and the struggle to find food really begin to hit home. S1 E2.

Episode 3: As six animal babies approach the end of their first year on Earth, they must take on the most complex challenges of their lives. S1 E3.

Tastes Like Home: Alaskans soldier through the heart of dark winter in pursuit of the resources they desperately need for survival. S12 E10.

Hunters And Hunted: A look at the hunter and the hunted in the animal kingdom, including cheetahs, Ethiopian wolves, star-nosed moles, and the greater bulldog bat. S1 E7.

Rock Pooling: Cameraman Mike Pitts and producer Adam Chapman travelled to the Falkland Islands on a tip-off that a pod of orca had learnt how to hunt naïve elephant seal pups when they first venture into the water. S1 E7.

Power of Nature: Rituals help us survive and honour the power of nature. An Inuit boy must shoot a seal on sea ice in his rite of passage to become a hunter. S1 E3.

Spring: As spring lights up the land, Alaska faces one of the greatest transformations on earth. Temperatures soar, and as the sun's rays hit the snow and ice, water, light and warmth return. S1 E1.

A Curious Hoax?: David Attenborough examines the platypus and the tadpole. S1 E2.

Episode 1: The first three critical months are when our animal babies have to rapidly get to grips with their new family and the challenges of the environment that surrounds them. S1 E1.

Episode 2: From around three months old, our animal babies can all get around on their own, but that means the impact of their environment and the struggle to find food really begin to hit home. S1 E2.

Episode 3: As six animal babies approach the end of their first year on Earth, they must take on the most complex challenges of their lives. S1 E3.

The Islands: The spy creatures explore the islands of the southern seas. Some of the most unique animals on earth have evolved in these isolated places, far from any mainland. S2 E3.

Hunters And Hunted: A look at the hunter and the hunted in the animal kingdom, including cheetahs, Ethiopian wolves, star-nosed moles, and the greater bulldog bat. S1 E7.

Tastes Like Home: Alaskans soldier through the heart of dark winter in pursuit of the resources they desperately need for survival. S12 E10.

Zambia: Ben journeys into Zambia to live with a British family who have built a safari lodge on the edge of a national park. In the process, Ben uncovers what motivates them to keep going. S10 E5.

Great Gatherings: The greatest gatherings on Earth are rituals. They bind us together and keep communities alive. In Siena rival districts battle for supremacy in a 700 year-old horserace. S1 E4.

The Poles: The Spy Creatures travel to the lands of ice and snow beyond the Arctic and Antarctic circles, observing the hardiest and most charismatic animals in the polar world. S2 E4.

Episode 12: Chief Inspector Cathy Hyde accesses a property suspected of being involved in puppy trafficking. S4 E12.

Episode 13: In Merseyside, Anthony Joynes helps Patterdale terriers Frodo and Smeagol. S4 E13.

Episode 14: Inspector Anthony is called to a property where Teddy, a terrified terrier cross has a flea infestation. S4 E14.

Creatures of the Deep: Journeying into the uncharted corners of the ocean, discover why a Pacific giant octopus makes the ultimate sacrifice to protect her young. S1 E8.

It's Never Easy: As winter turns to spring, Alaskans must seize the warming days. The everyday struggles of living in the secluded state of Alaska where one wrong decision could cost you your life. S12 E11.

Power: The tables are turned on the powerful predators. Those at the top of the food chain find themselves alone and in eminent danger, whilst the youngest of prey are finding their feet. S2 E5.

Reckoning: Everyone faces the final reckoning as the great river crossing begins. Crocodiles block the way for Gnu, while Duma takes on more responsibility. S2 E6.

Episode 2: Dara explores the darker side of the Sun, from the dangers of skin cancer to solar flares and the Bermuda Triangle of Space. Plus, the world's largest solar furnace. S1 E2.

The Poles: The Spy Creatures travel to the lands of ice and snow beyond the Arctic and Antarctic circles, observing the hardiest and most charismatic animals in the polar world. S2 E4.

Episode 12: Chief Inspector Cathy Hyde accesses a property suspected of being involved in puppy trafficking. S4 E12.

Episode 13: In Merseyside, Anthony Joynes helps Patterdale terriers Frodo and Smeagol. S4 E13.

Episode 14: Inspector Anthony is called to a property where Teddy, a terrified terrier cross has a flea infestation. S4 E14.

It's Never Easy: As winter turns to spring, Alaskans must seize the warming days. The everyday struggles of living in the secluded state of Alaska where one wrong decision could cost you your life. S12 E11.

Creatures of the Deep: Journeying into the uncharted corners of the ocean, discover why a Pacific giant octopus makes the ultimate sacrifice to protect her young. S1 E8.

Sink or Swim: The Life team travelled to the freezing waters of the Antarctic to film the slow-motion world of the creatures living under the ice. S1 E8.

Great Gatherings: The greatest gatherings on Earth are rituals. They bind us together and keep communities alive. In Siena rival districts battle for supremacy in a 700 year-old horserace. S1 E4.

Reckoning: Everyone faces the final reckoning as the great river crossing begins. Crocodiles block the way for Gnu, while Duma takes on more responsibility. S2 E6.

Episode 12: Chief Inspector Cathy Hyde accesses a property suspected of being involved in puppy trafficking. S4 E12.

Episode 13: In Merseyside, Anthony Joynes helps Patterdale terriers Frodo and Smeagol. S4 E13.

Episode 14: Inspector Anthony is called to a property where Teddy, a terrified terrier cross has a flea infestation. S4 E14.

The Poles: The Spy Creatures travel to the lands of ice and snow beyond the Arctic and Antarctic circles, observing the hardiest and most charismatic animals in the polar world. S2 E4.

Creatures of the Deep: Journeying into the uncharted corners of the ocean, discover why a Pacific giant octopus makes the ultimate sacrifice to protect her young. S1 E8.

It's Never Easy: As winter turns to spring, Alaskans must seize the warming days. The everyday struggles of living in the secluded state of Alaska where one wrong decision could cost you your life. S12 E11.

Life on Camera: David Attenborough reflects on how the planet has changed during his career. In the first film, he offers his perspective on 60 years of wildlife film-making. S1 E1.

Understanding the Natural World: Sir David Attenborough reviews the scientific discoveries that have transformed our view of life on earth during his lifetime. S1 E2.

Our Fragile Planet: David Attenborough looks back on the dramatic impact mankind has had on the natural world in the last six decades and reveals why he became a conservationist. S1 E3.

Our Fragile Planet: David Attenborough looks back on the dramatic impact mankind has had on the natural world in the last six decades and reveals why he became a conservationist. S1 E3.

Plants: Using the latest time-lapse technology, witness the wonders of the Venus flytrap, Boston ivy, and the bizarre dragon's blood tree. S1 E9.

: Kirsty Young interviews the pioneer of wildlife television ahead of his 90th birthday. S1 E1.

Episode 2: From the Galapagos Islands to the deepest caves in Borneo, David's adventures continue. S1 E2.

Episode 3: From the ancient tropics of China to the depths of the Great Barrier Reef, we continue David's adventures across the globe. S1 E3.

: David Attenborough has a passion for birds' eggs. These remarkable structures nurture new life, protecting it from the outside world at the same time as allowing it to breathe. S1 E1.

: David Attenborough has a passion for birds' eggs. These remarkable structures nurture new life, protecting it from the outside world at the same time as allowing it to breathe. S1 E1.

One Ocean: The landmark natural history series returns to take viewers on a unique voyage of discovery in the world's one ocean. S2 E1.

One Ocean: The landmark natural history series returns to take viewers on a unique voyage of discovery in the world's one ocean. S2 E1.

The Deep: The wildlife documentary series narrated by David Attenborough goes on groundbreaking journey to the deepest parts of the oceans. S2 E2.

Coral Reefs: The wildlife documentary series narrated by David Attenborough reveals the ingenious ways life exists in the undersea cities of tropical reefs. S2 E3.

Big Blue: The wildlife documentary series narrated by David Attenborough explores a vast ocean desert where sperm whales must dive 1,000 metres just to feed. S2 E4.

Green Seas: The wildlife series narrated by David Attenborough explores the planet's green seas. From enchanted forests to undersea prairies, they teem with life. S2 E5.

Coasts: The wildlife series narrated by David Attenborough explores the planet's coasts. They are the most changeable of the ocean worlds, but they offer great riches. S2 E6.

Our Blue Planet: David Attenborough explores the issues behind the series' most spectacular stories and examines the future of the planet. S2 E7.

Kalahari: In Africa's ancient southwest corner, two extraordinary deserts sit side by side. Water is in short supply, yet these deserts are somehow full of life. Narrated by Sir David Attenborough. S1 E1.

Savannah: To survive creatures must be able to deal with unpredictable twists and turns - wet turning to dry, feast to famine, cold to hot - no matter how hostile it becomes. Narrated by Sir David Attenborough. S1 E2.

Congo: The very heart of Africa is covered in dense tropical rainforest. The animals here find ingenious ways to carve out their space in a claustrophobic landscape. Narrated by Sir David Attenborough. S1 E3.

Cape: Southern Africa is a riot of life because of two ocean currents that sweep around the continent's cape. Narrated by Sir David Attenborough. S1 E4.

Sahara: Africa is home to the greatest desert on Earth, the Sahara. Zebras battle over dwindling resources and naked mole rats avoid the heat by living a bizarre existence. Narrated by Sir David Attenborough. S1 E5.

Sahara: The final episode reveals how the inhospitable conditions of filming in Tunisia and Egypt pushed the Africa crews to the limit as they tried to get the perfect shot. S1 E5.

David Attenborough chooses seven of the most remarkable animal songs found in nature and explores the significance of these songs in the lives of their species.

David Attenborough chooses seven of the most remarkable animal songs found in nature and explores the significance of these songs in the lives of their species.

Life on Camera: David Attenborough reflects on how the planet has changed during his career. In the first film, he offers his perspective on 60 years of wildlife film-making. S1 E1.

Understanding the Natural World: Sir David Attenborough reviews the scientific discoveries that have transformed our view of life on earth during his lifetime. S1 E2.

Understanding the Natural World: Sir David Attenborough reviews the scientific discoveries that have transformed our view of life on earth during his lifetime. S1 E2.

Our Fragile Planet: David Attenborough looks back on the dramatic impact mankind has had on the natural world in the last six decades and reveals why he became a conservationist. S1 E3.

: David Attenborough tells the story of his life-long passion - the Birds of Paradise. From the myths and legends surrounding their discovery 500 years ago, to the latest extraordinary footage. S1 E1.

: As a boy, frogs were the first animals David Attenborough kept and today he is still just as passionate about them. S1 E1.

: As a boy, frogs were the first animals David Attenborough kept and today he is still just as passionate about them. S1 E1.

Plants: Using the latest time-lapse technology, witness the wonders of the Venus flytrap, Boston ivy, and the bizarre dragon's blood tree. S1 E9.

: Kirsty Young interviews the pioneer of wildlife television ahead of his 90th birthday. S1 E1.

Episode 2: From the Galapagos Islands to the deepest caves in Borneo, David's adventures continue. S1 E2.

Episode 3: From the ancient tropics of China to the depths of the Great Barrier Reef, we continue David's adventures across the globe. S1 E3.

Episode 3: From the ancient tropics of China to the depths of the Great Barrier Reef, we continue David's adventures across the globe. S1 E3.

: David Attenborough has a passion for birds' eggs. These remarkable structures nurture new life, protecting it from the outside world at the same time as allowing it to breathe. S1 E1.

One Ocean: The landmark natural history series returns to take viewers on a unique voyage of discovery in the world's one ocean. S2 E1.

The Deep: The wildlife documentary series narrated by David Attenborough goes on groundbreaking journey to the deepest parts of the oceans. S2 E2.

The Deep: The wildlife documentary series narrated by David Attenborough goes on groundbreaking journey to the deepest parts of the oceans. S2 E2.

Coral Reefs: The wildlife documentary series narrated by David Attenborough reveals the ingenious ways life exists in the undersea cities of tropical reefs. S2 E3.

Big Blue: The wildlife documentary series narrated by David Attenborough explores a vast ocean desert where sperm whales must dive 1,000 metres just to feed. S2 E4.

Big Blue: The wildlife documentary series narrated by David Attenborough explores a vast ocean desert where sperm whales must dive 1,000 metres just to feed. S2 E4.

Green Seas: The wildlife series narrated by David Attenborough explores the planet's green seas. From enchanted forests to undersea prairies, they teem with life. S2 E5.

Coasts: The wildlife series narrated by David Attenborough explores the planet's coasts. They are the most changeable of the ocean worlds, but they offer great riches. S2 E6.

Coasts: The wildlife series narrated by David Attenborough explores the planet's coasts. They are the most changeable of the ocean worlds, but they offer great riches. S2 E6.

Our Blue Planet: David Attenborough explores the issues behind the series' most spectacular stories and examines the future of the planet. S2 E7.

Our Blue Planet: David Attenborough explores the issues behind the series' most spectacular stories and examines the future of the planet. S2 E7.

Kalahari: In Africa's ancient southwest corner, two extraordinary deserts sit side by side. Water is in short supply, yet these deserts are somehow full of life. Narrated by Sir David Attenborough. S1 E1.

Savannah: To survive creatures must be able to deal with unpredictable twists and turns - wet turning to dry, feast to famine, cold to hot - no matter how hostile it becomes. Narrated by Sir David Attenborough. S1 E2.

Congo: The very heart of Africa is covered in dense tropical rainforest. The animals here find ingenious ways to carve out their space in a claustrophobic landscape. Narrated by Sir David Attenborough. S1 E3.

Congo: The very heart of Africa is covered in dense tropical rainforest. The animals here find ingenious ways to carve out their space in a claustrophobic landscape. Narrated by Sir David Attenborough. S1 E3.

Sahara: Africa is home to the greatest desert on Earth, the Sahara. Zebras battle over dwindling resources and naked mole rats avoid the heat by living a bizarre existence. Narrated by Sir David Attenborough. S1 E5.

Sahara: The final episode reveals how the inhospitable conditions of filming in Tunisia and Egypt pushed the Africa crews to the limit as they tried to get the perfect shot. S1 E5.

Grasslands: In Plain Sight: The strategies used by animals to find and defend their mates in the grasslands of Namibia, the Serengeti and Australia. Here, mating strategies are on show for all to see. S1 E1.

Oceans: Out Of The Blue: The Ocean is where life first experimented with the Mating Game, and over time this has led to some of the most ingenious mating strategies of all! S1 E2.

Jungles: In The Thick Of It: Jungles are home to 80% of all species but they cover just 2% of the planet. When animals in these crowded forests want to mate, the challenge is how to stand out from the crowd. S1 E3.

Freshwater: Timing Is Everything: Freshwater is often the stage on which millions of animals gather to find a mate. And the cycle of freshwater is the trigger for spectacular mating rituals and fierce competition. S1 E4.

Against All Odds: All life is driven by the need to breed. Yet for a few, the odds of success are overwhelmingly against them, so these have adopted the most extraordinary mating strategies of all. S1 E5.

Life in the Dark: David Attenborough examines the huge eyes of the dark-dwelling owl and giant squid. S2 E3.

Curious Imposters: David Attenborough uncovers the cheats and imposters of the natural world. S2 E4.

Life on Camera: David Attenborough reflects on how the planet has changed during his career. In the first film, he offers his perspective on 60 years of wildlife film-making. S1 E1.

Understanding the Natural World: Sir David Attenborough reviews the scientific discoveries that have transformed our view of life on earth during his lifetime. S1 E2.

Our Fragile Planet: David Attenborough looks back on the dramatic impact mankind has had on the natural world in the last six decades and reveals why he became a conservationist. S1 E3.

Episode 2: From the Galapagos Islands to the deepest caves in Borneo, David's adventures continue. S1 E2.

Episode 3: From the ancient tropics of China to the depths of the Great Barrier Reef, we continue David's adventures across the globe. S1 E3.

Kalahari: In Africa's ancient southwest corner, two extraordinary deserts sit side by side. Water is in short supply, yet these deserts are somehow full of life. Narrated by Sir David Attenborough. S1 E1.

Savannah: To survive creatures must be able to deal with unpredictable twists and turns - wet turning to dry, feast to famine, cold to hot - no matter how hostile it becomes. Narrated by Sir David Attenborough. S1 E2.

Congo: The very heart of Africa is covered in dense tropical rainforest. The animals here find ingenious ways to carve out their space in a claustrophobic landscape. Narrated by Sir David Attenborough. S1 E3.

Cape: Southern Africa is a riot of life because of two ocean currents that sweep around the continent's cape. Narrated by Sir David Attenborough. S1 E4.

Sahara: Africa is home to the greatest desert on Earth, the Sahara. Zebras battle over dwindling resources and naked mole rats avoid the heat by living a bizarre existence. Narrated by Sir David Attenborough. S1 E5.

Sahara: The final episode reveals how the inhospitable conditions of filming in Tunisia and Egypt pushed the Africa crews to the limit as they tried to get the perfect shot. S1 E5.

Virgin Birth: David Attenborough discovered that female Komodo dragons can reproduce without males. S2 E1.

Armoured Animals: David Attenborough looks at the formidable armour of hedgehogs and rhinos. S2 E2.

Episode 1: Using brand new evidence, this documentary brings to life the final days of the dinosaurs. S1 E1.

Episode 2: Experience the best current understanding of the last day the dinosaurs. S1 E2.

Life in the Dark: David Attenborough examines the huge eyes of the dark-dwelling owl and giant squid. S2 E3.

Curious Imposters: David Attenborough uncovers the cheats and imposters of the natural world. S2 E4.

Island of Marvels: We explore Madagascar's strangest landscape and dive deep into its spiny desert. S1 E1.

Lost Worlds: We trek into the rainforest where strange meat-eating plants and cannibalistic frogs live. S1 E2.

Land of Heat and Dust: Discover the extraordinary strategies creatures use to survive in the scorching desert. S1 E3.

Episode 4: Attenborough explores how the natural world has thrived in seemingly impossible environments. S1 E4.

First Steps: Each and every animal is born with a chance: to survive, thrive and produce their very own next generation. The first hurdle in life is infancy. S1 E1.

Growing Up: On reaching adulthood animals strike out on their own to find their place in the world. S1 E2.

Home: To survive, animals need somewhere to live. But finding and defending a home comes first. S1 E3.

Power: To gain power an animal must find a way to rise through the ranks of its society. S1 E4.

Courtship: It's time to win a mate and the stakes could not be higher. S1 E5.

Parenthood: Offspring are the next best thing to immortality. Parents take great risks to raise them. S1 E6.

: Kirsty Young interviews the pioneer of wildlife television ahead of his 90th birthday. S1 E1.

Island of Marvels: We explore Madagascar's strangest landscape and dive deep into its spiny desert. S1 E1.

Lost Worlds: We trek into the rainforest where strange meat-eating plants and cannibalistic frogs live. S1 E2.

Land of Heat and Dust: Discover the extraordinary strategies creatures use to survive in the scorching desert. S1 E3.

Birds: From the Equator to the Poles, this episode looks at how birds' feathers help them to survive in almost any environment. S1 E5.

Insects: A look at insects' survival techniques, from beetles who spray boiling chemicals at their enemies, to marching columns of grass cutter ants. S1 E6.

Hunters And Hunted: A look at the hunter and the hunted in the animal kingdom, including cheetahs, Ethiopian wolves, star-nosed moles, and the greater bulldog bat. S1 E7.

Creatures of the Deep: Journeying into the uncharted corners of the ocean, discover why a Pacific giant octopus makes the ultimate sacrifice to protect her young. S1 E8.

Plants: Using the latest time-lapse technology, witness the wonders of the Venus flytrap, Boston ivy, and the bizarre dragon's blood tree. S1 E9.

Life in the Dark: David Attenborough examines the huge eyes of the dark-dwelling owl and giant squid. S2 E3.

Curious Imposters: David Attenborough uncovers the cheats and imposters of the natural world. S2 E4.

Grasslands: In Plain Sight: The strategies used by animals to find and defend their mates in the grasslands of Namibia, the Serengeti and Australia. Here, mating strategies are on show for all to see. S1 E1.

Night Country: Alaskans soldier through the heart of dark winter in pursuit of the resources they desperately need for survival. S12 E8.

Rites of Winter: Alaskans soldier through the heart of dark winter in pursuit of the resources they desperately need for survival. S12 E9.

Tastes Like Home: Alaskans soldier through the heart of dark winter in pursuit of the resources they desperately need for survival. S12 E10.

Episode 4: Attenborough explores how the natural world has thrived in seemingly impossible environments. S1 E4.

Plants: Using the latest time-lapse technology, witness the wonders of the Venus flytrap, Boston ivy, and the bizarre dragon's blood tree. S1 E9.

Timewarp: The team was trying to achieve a shot that had never been attempted before - the entire growing season in a woodland, filmed in one shot. S1 E9.

Episode 1: Using brand new evidence, this documentary brings to life the final days of the dinosaurs. S1 E1.

Episode 2: Experience the best current understanding of the last day the dinosaurs. S1 E2.

: A comprehensive guide to the science of sleep - and how it impacts everything we do. New research and theories are put to the test in experiments never before shown on TV. S1 E1.

Episode 1: In the Gloucestershire countryside, Steve has a wonderful wild badger encounter. While deep in a specially rigged sett, could a female badger, called Peggy be about to give birth? S1 E1.

Bless the Child: WWII hero Norman is treated for a dangerously low heart rate, with medics working to stabilise him. S19 E24.

Tales Of The Unexpected: Kristy is rushed to Queen's Medical Centre after severely dislocating her ankle, doctors try to work out why John is struggling to breathe and Hunter has come into A&E after falling from a tree. S18 E1.

I'll Be There: Sara is rushed to Queen's Medical Centre after a high speed car crash and Simon suffers multiple injuries falling from his bike. James has come to A&E after splitting his finger climbing a fence. S18 E2.

Primates: Follow the antics of the chest-beating gorillas in the Congo and the shark egg hunting chacma baboons of South Africa in this episode about primates. S1 E10.

: 150 million years ago, dinosaurs ruled the land, but the oceans were dominated by a mysterious sea monster. Meet the pliosaur, the Tyrannosaurus rex of the seas! S1 E1.

Desert Worlds: Deserts are hostile to life. Temperatures soar and plummet and water is rare. Yet even here plants have found ingenious ways to survive. S1 E4.

Human: Discover the extraordinary ways in which wildlife survives in a rapidly changing human world. From cobras hunting in houses to macaques stealing mobile phones to barter with. S3 E7.

: 150 million years ago, dinosaurs ruled the land, but the oceans were dominated by a mysterious sea monster. Meet the pliosaur, the Tyrannosaurus rex of the seas! S1 E1.

Episode 1: In the Gloucestershire countryside, Steve has a wonderful wild badger encounter. While deep in a specially rigged sett, could a female badger, called Peggy be about to give birth? S1 E1.

Bless the Child: WWII hero Norman is treated for a dangerously low heart rate, with medics working to stabilise him. S19 E24.

Tales Of The Unexpected: Kristy is rushed to Queen's Medical Centre after severely dislocating her ankle, doctors try to work out why John is struggling to breathe and Hunter has come into A&E after falling from a tree. S18 E1.

I'll Be There: Sara is rushed to Queen's Medical Centre after a high speed car crash and Simon suffers multiple injuries falling from his bike. James has come to A&E after splitting his finger climbing a fence. S18 E2.

Human: Discover the extraordinary ways in which wildlife survives in a rapidly changing human world. From cobras hunting in houses to macaques stealing mobile phones to barter with. S3 E7.

Primates: Follow the antics of the chest-beating gorillas in the Congo and the shark egg hunting chacma baboons of South Africa in this episode about primates. S1 E10.

: A comprehensive guide to the science of sleep - and how it impacts everything we do. New research and theories are put to the test in experiments never before shown on TV. S1 E1.

Oceans: Out Of The Blue: The Ocean is where life first experimented with the Mating Game, and over time this has led to some of the most ingenious mating strategies of all! S1 E2.

Out of the Blue: The annual humpback whale "Heat Run" is among the greatest courtship spectacles in nature. S1 E2.

Bless the Child: WWII hero Norman is treated for a dangerously low heart rate, with medics working to stabilise him. S19 E24.

Tales Of The Unexpected: Kristy is rushed to Queen's Medical Centre after severely dislocating her ankle, doctors try to work out why John is struggling to breathe and Hunter has come into A&E after falling from a tree. S18 E1.

I'll Be There: Sara is rushed to Queen's Medical Centre after a high speed car crash and Simon suffers multiple injuries falling from his bike. James has come to A&E after splitting his finger climbing a fence. S18 E2.

Episode 1: In the Gloucestershire countryside, Steve has a wonderful wild badger encounter. While deep in a specially rigged sett, could a female badger, called Peggy be about to give birth? S1 E1.

Primates: Follow the antics of the chest-beating gorillas in the Congo and the shark egg hunting chacma baboons of South Africa in this episode about primates. S1 E10.

Ninety-nine Percent: As the majority of primates live in tropical forest and spend a lot of time up in the trees, or concealed behind leaves, filming them is a tough challenge. S1 E10.

: Kirsty Young interviews the pioneer of wildlife television ahead of his 90th birthday. S1 E1.

Desert Worlds: Deserts are hostile to life. Temperatures soar and plummet and water is rare. Yet even here plants have found ingenious ways to survive. S1 E4.

Episode 1: The life story of Hope the whale and safety inspection of her skeleton hanging from the ceiling, and the rebuilding a prop skeleton from Hollywood after damage during transit. S1 E1.

Episode 2: We continue to follow the wonderful world of our Bluebell badgers, watching the cubs head out on an adventure for the very first time, while back at their sett tensions are rising. S1 E2.

British Columbia, Canada: Ben Fogle revisits former war correspondent Julius Strauss and his wife Kristin, who live in British Columbia. Their home is in the middle of a mountainous region that is home to grizzly bears. S2 E6.

Norway: Ben travels to Norway to catch up with former Stone Age host Lynx, who now lives in the Norwegian wilderness. S3 E1.

Morocco: Ben returns to Morocco to meet Karen again, who had built a guest house and artists' retreat in this inhospitable location. S3 E2.

Island of Marvels: We explore Madagascar's strangest landscape and dive deep into its spiny desert. S1 E1.

100 Miles from Nowhere: Alaskan residents look to restock their food supplies as spring brings longer days. This season, the hardy residents face fresh threats to their survival. S12 E12.

: 150 million years ago, dinosaurs ruled the land, but the oceans were dominated by a mysterious sea monster. Meet the pliosaur, the Tyrannosaurus rex of the seas! S1 E1.

Gallipoli to the Syrian Border: Simon visits Istanbul and the beaches and crystal clear waters of the Aegean Sea before ending up at the war-torn border with Syria. S1 E1.

Episode 2: We continue to follow the wonderful world of our Bluebell badgers, watching the cubs head out on an adventure for the very first time, while back at their sett tensions are rising. S1 E2.

Life in the Dark: David Attenborough examines the huge eyes of the dark-dwelling owl and giant squid. S2 E3.

British Columbia, Canada: Ben Fogle revisits former war correspondent Julius Strauss and his wife Kristin, who live in British Columbia. Their home is in the middle of a mountainous region that is home to grizzly bears. S2 E6.

Norway: Ben travels to Norway to catch up with former Stone Age host Lynx, who now lives in the Norwegian wilderness. S3 E1.

Morocco: Ben returns to Morocco to meet Karen again, who had built a guest house and artists' retreat in this inhospitable location. S3 E2.

100 Miles from Nowhere: Alaskan residents look to restock their food supplies as spring brings longer days. This season, the hardy residents face fresh threats to their survival. S12 E12.

Island of Marvels: We explore Madagascar's strangest landscape and dive deep into its spiny desert. S1 E1.

Episode 1: The life story of Hope the whale and safety inspection of her skeleton hanging from the ceiling, and the rebuilding a prop skeleton from Hollywood after damage during transit. S1 E1.

Jungles: In The Thick Of It: Jungles are home to 80% of all species but they cover just 2% of the planet. When animals in these crowded forests want to mate, the challenge is how to stand out from the crowd. S1 E3.

British Columbia, Canada: Ben Fogle revisits former war correspondent Julius Strauss and his wife Kristin, who live in British Columbia. Their home is in the middle of a mountainous region that is home to grizzly bears. S2 E6.

Norway: Ben travels to Norway to catch up with former Stone Age host Lynx, who now lives in the Norwegian wilderness. S3 E1.

Morocco: Ben returns to Morocco to meet Karen again, who had built a guest house and artists' retreat in this inhospitable location. S3 E2.

Episode 2: We continue to follow the wonderful world of our Bluebell badgers, watching the cubs head out on an adventure for the very first time, while back at their sett tensions are rising. S1 E2.

Island of Marvels: We explore Madagascar's strangest landscape and dive deep into its spiny desert. S1 E1.

Curious Imposters: David Attenborough uncovers the cheats and imposters of the natural world. S2 E4.

100 Miles from Nowhere: Alaskan residents look to restock their food supplies as spring brings longer days. This season, the hardy residents face fresh threats to their survival. S12 E12.