Botswana: This episode features conservationist Aleksandra, who moved to Botswana to live in the Kalahari desert. S11 E14.

The Dark Ocean: Underwater cameraman Ken O'Sullivan explores the marine life of the northern part of the ocean, beginning with the dark waters off the coast of the north of Ireland in winter. S1 E1.

Life's Too Short: Keith is rushed to Queen's Medical Centre after a cardiac arrest, Joanna suffers a spinal fracture and in the Urgent Treatment Unit, John is being treated after being run over by a car. S18 E6.

A Storm to Remember: Our Alaskans face various emotional challenges as they push through a dark winter. S10 E5.

Cities: Cities can be worlds of surprising opportunity for animals, from the leopards prowling the streets of Mumbai to the peregrine falcons hunting amongst New York's skyscrapers. S2 E6.

Episode 2: Having learnt where a hippos aggression comes from Steve wants to find out if we can live alongside hippos that kill up to 500 people a year. He visits St. Lucía, a town where hippos roam the streets. S1 E2.

Nepal: In a demanding and emotional journey, Kate Humble travels with the Raute, Nepal's very last nomadic community of just 140 hunter-gatherers. S1 E1.

Winchcombe Meteorite: Bill Nighy guides us behind the scenes as Ashley makes a great discovery about the Winchcombe meteorite and Erica goes on a Sussex bug hunt. S2 E1.

Botswana: This episode features conservationist Aleksandra, who moved to Botswana to live in the Kalahari desert. S11 E14.

The Dark Ocean: Underwater cameraman Ken O'Sullivan explores the marine life of the northern part of the ocean, beginning with the dark waters off the coast of the north of Ireland in winter. S1 E1.

Episode 1: Ade Adepitan embarks on the first leg of his journey around Africa, starting in west Africa from Cape Verde to Senegal and the Ivory Coast, before finishing in Nigeria. S1 E1.

Cities: Cities can be worlds of surprising opportunity for animals, from the leopards prowling the streets of Mumbai to the peregrine falcons hunting amongst New York's skyscrapers. S2 E6.

Coasts: A behind-the-scenes look at the final chapter of the Planet Earth trilogy, which explores the greatest habitats on our amazing planet. S1 E1.

Episode 2: Having learnt where a hippos aggression comes from Steve wants to find out if we can live alongside hippos that kill up to 500 people a year. He visits St. Lucía, a town where hippos roam the streets. S1 E2.

A Storm to Remember: Our Alaskans face various emotional challenges as they push through a dark winter. S10 E5.

Magical Appearances: Uncovering the mystery of where some animals disappear to each year. S2 E10.

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

Episode 16: In this special Christmas edition of The Dog Rescuers, Inspector Anthony Joynes battles the frozen elements to aid a Staffy who is suffering from multiple ailments. S8 E16.

The Dark Ocean: Underwater cameraman Ken O'Sullivan explores the marine life of the northern part of the ocean, beginning with the dark waters off the coast of the north of Ireland in winter. S1 E1.

Botswana: This episode features conservationist Aleksandra, who moved to Botswana to live in the Kalahari desert. S11 E14.

Winchcombe Meteorite: Bill Nighy guides us behind the scenes as Ashley makes a great discovery about the Winchcombe meteorite and Erica goes on a Sussex bug hunt. S2 E1.

Life's Too Short: Keith is rushed to Queen's Medical Centre after a cardiac arrest, Joanna suffers a spinal fracture and in the Urgent Treatment Unit, John is being treated after being run over by a car. S18 E6.

Episode 2: The second of Ade Adepitan's four-part journey around Africa takes him across central Africa, from the coast of Gabon, through the Democratic Republic of Congo, and on to Uganda. S1 E2.

A Storm to Remember: Our Alaskans face various emotional challenges as they push through a dark winter. S10 E5.

Cities: Cities can be worlds of surprising opportunity for animals, from the leopards prowling the streets of Mumbai to the peregrine falcons hunting amongst New York's skyscrapers. S2 E6.

Episode 2: Having learnt where a hippos aggression comes from Steve wants to find out if we can live alongside hippos that kill up to 500 people a year. He visits St. Lucía, a town where hippos roam the streets. S1 E2.

Siberia: Kate Humble continues her travels with the Nenets reindeer herders deep in the Siberian tundra, but plummeting temperatures jeopardise her journey. S1 E2.

Wildlife Photographer Of The Year: We discover who wins the Wildlife Photographer of the Year. There's emergency repairs on a triceratops and a Jurassic treasure trove is found in Wiltshire. S2 E2.

Japan: This episode features Rupert, a Yorkshireman who moved to the remote countryside of southern Japan to grow rice. S11 E15.

Searching For Monsters: Underwater cameraman Ken O'Sullivan travels along the south coast of Ireland searching for fin whales, finding out that their migration routes have only recently started to be documented. S1 E2.

Blood, Sweat And Tears: 55 year old Chris is rushed to Queen's Medical Centre after being run over by a lorry at work, whilst 65-year-old Elizabeth has a head wound after falling cleaning a pub. S18 E7.

Into the Freeze: The Alaskans seek out vital resources amid a deep freeze in the heart of Dark Winter, pushing through temperatures well below zero. S10 E6.

Montserrat: Ben visits the Caribbean island of Montserrat, where a volcano devastated large areas in a 1995 eruption. S1 E3.

Antarctica: Antarctica - the coldest, windiest, most hostile continent. Only the toughest can survive here. But the ocean here is warming and with that comes an uncertain future. S1 E1.

Siberia: Kate Humble continues her travels with the Nenets reindeer herders deep in the Siberian tundra, but plummeting temperatures jeopardise her journey. S1 E2.

Wildlife Photographer Of The Year: We discover who wins the Wildlife Photographer of the Year. There's emergency repairs on a triceratops and a Jurassic treasure trove is found in Wiltshire. S2 E2.

Searching For Monsters: Underwater cameraman Ken O'Sullivan travels along the south coast of Ireland searching for fin whales, finding out that their migration routes have only recently started to be documented. S1 E2.

Japan: This episode features Rupert, a Yorkshireman who moved to the remote countryside of southern Japan to grow rice. S11 E15.

Episode 2: The second of Ade Adepitan's four-part journey around Africa takes him across central Africa, from the coast of Gabon, through the Democratic Republic of Congo, and on to Uganda. S1 E2.

Montserrat: Ben visits the Caribbean island of Montserrat, where a volcano devastated large areas in a 1995 eruption. S1 E3.

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

Antarctica: Antarctica - the coldest, windiest, most hostile continent. Only the toughest can survive here. But the ocean here is warming and with that comes an uncertain future. S1 E1.

Into the Freeze: The Alaskans seek out vital resources amid a deep freeze in the heart of Dark Winter, pushing through temperatures well below zero. S10 E6.

Episode 1: Join us at the Dog Rescuers house as host Alan Davies throws the ultimate Christmas party for his doggy friends. S4 E1.

Searching For Monsters: Underwater cameraman Ken O'Sullivan travels along the south coast of Ireland searching for fin whales, finding out that their migration routes have only recently started to be documented. S1 E2.

Japan: This episode features Rupert, a Yorkshireman who moved to the remote countryside of southern Japan to grow rice. S11 E15.

Wildlife Photographer Of The Year: We discover who wins the Wildlife Photographer of the Year. There's emergency repairs on a triceratops and a Jurassic treasure trove is found in Wiltshire. S2 E2.

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

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

Blood, Sweat And Tears: 55 year old Chris is rushed to Queen's Medical Centre after being run over by a lorry at work, whilst 65-year-old Elizabeth has a head wound after falling cleaning a pub. S18 E7.

Episode 3: Ade begins this leg of his journey in Tanzania, in Selous Game Reserve. He is on the lookout for elephants but numbers in this park have fallen by 90% over the last few decades. S1 E3.

Into the Freeze: The Alaskans seek out vital resources amid a deep freeze in the heart of Dark Winter, pushing through temperatures well below zero. S10 E6.

Montserrat: Ben visits the Caribbean island of Montserrat, where a volcano devastated large areas in a 1995 eruption. S1 E3.

Antarctica: Antarctica - the coldest, windiest, most hostile continent. Only the toughest can survive here. But the ocean here is warming and with that comes an uncertain future. S1 E1.

Mongolia: In her final journey of the series, Kate Humble travels deep into the Gobi Desert to live with an extended family of cashmere goat and yak herders. S1 E3.

Challenger: There are new discoveries from HMS Challenger's incredible sea voyage of 150 years ago. We look for micrometeorites on the museum's roof and meet a virtual rhino. S2 E3.

Thailand: This episode features a young woman who gave up a thriving business career in Bangkok to start her own farmstead in remote Thailand. S11 E16.

Into The Light: Underwater cameraman Ken O'Sullivan embraces the spirit of early explorers, and gains an understanding of some of the ocean's greatest and most diverse animals. S1 E3.

Boys Just Want to Have Fun: Milky comes to A&E with possible life-changing injuries after a road crash, Shaun has had a bad parachute landing and a 6-year-old has an unknown object stuck in his throat. S18 E8.

Burdens of Winter: As the Arctic summer turns to fall and temperatures begin their decline, Alaskan ingenuity assists in securing materials for the coming freeze. S10 E7.

Spring: The North faces the sun's rays, the great melt begins bringing new life. For animal families in the South, conditions are worsening as days shorten. S1 E2.

Misfortune: The long-awaited arrival of the great migration increases conflict between the families of the Serengeti. S1 E4.

Mongolia: In her final journey of the series, Kate Humble travels deep into the Gobi Desert to live with an extended family of cashmere goat and yak herders. S1 E3.

Challenger: There are new discoveries from HMS Challenger's incredible sea voyage of 150 years ago. We look for micrometeorites on the museum's roof and meet a virtual rhino. S2 E3.

Thailand: This episode features a young woman who gave up a thriving business career in Bangkok to start her own farmstead in remote Thailand. S11 E16.

Into The Light: Underwater cameraman Ken O'Sullivan embraces the spirit of early explorers, and gains an understanding of some of the ocean's greatest and most diverse animals. S1 E3.

Episode 3: Ade begins this leg of his journey in Tanzania, in Selous Game Reserve. He is on the lookout for elephants but numbers in this park have fallen by 90% over the last few decades. S1 E3.

Spring: The North faces the sun's rays, the great melt begins bringing new life. For animal families in the South, conditions are worsening as days shorten. S1 E2.

Misfortune: The long-awaited arrival of the great migration increases conflict between the families of the Serengeti. S1 E4.

Burdens of Winter: As the Arctic summer turns to fall and temperatures begin their decline, Alaskan ingenuity assists in securing materials for the coming freeze. S10 E7.

Episode 2: Underweight, and heavily pregnant; Lilly the Staffy urgently needs Inspector Lyndsey Taylor help. S4 E2.

Into The Light: Underwater cameraman Ken O'Sullivan embraces the spirit of early explorers, and gains an understanding of some of the ocean's greatest and most diverse animals. S1 E3.

Thailand: This episode features a young woman who gave up a thriving business career in Bangkok to start her own farmstead in remote Thailand. S11 E16.

Challenger: There are new discoveries from HMS Challenger's incredible sea voyage of 150 years ago. We look for micrometeorites on the museum's roof and meet a virtual rhino. S2 E3.

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

Boys Just Want to Have Fun: Milky comes to A&E with possible life-changing injuries after a road crash, Shaun has had a bad parachute landing and a 6-year-old has an unknown object stuck in his throat. S18 E8.

Episode 4: The last leg of Ade Adepitan's tour sees him travelling from the beaches of Mozambique, through to South Africa. At Paradise Island, Ade finds an abandoned hotel. S1 E4.

Burdens of Winter: As the Arctic summer turns to fall and temperatures begin their decline, Alaskan ingenuity assists in securing materials for the coming freeze. S10 E7.

Spring: The North faces the sun's rays, the great melt begins bringing new life. For animal families in the South, conditions are worsening as days shorten. S1 E2.

Misfortune: The long-awaited arrival of the great migration increases conflict between the families of the Serengeti. S1 E4.

Episode 1: Simon begins his journey in the south of Ireland, para-motoring with an Irish explorer. On the west coast he does spot of surfing, before climbing Croagh Patrick in honour of Ireland's patron saint. S1 E1.

Bison: There are extraordinary new dinosaur discoveries uncovered in the Moroccan mountains. We get close to wild bison in Kent and hunt for invasive crabs in the river Thames. S2 E4.

Australia: Ben learns to oyster pick, brew beer, trade fish and dance with the locals with voluntary castaway Dave Glasheen on a remote Australian island. S1 E1.

Sir David Attenborough follows the excavation and analysis of a huge ichthyosaur dinosaur. A remarkable chance discovery could reveal secrets that have lain hidden for 200 million years. S1 E1.

Sweet Child O' Mine: 2-year-old Max is rushed into resus struggling to breathe and 69-year-old Maureen has broken her ankle in a fall down the stairs while looking after her grandchildren. S18 E10.

Hard Lessons, Lasting Impressions: Alaskans break trail and hunt for their survival during the tail end of the brutal winter. S10 E8.

The Pale Blue Dot: Professor Brian Cox reveals how Earth's beauty is created by just a handful of forces. In this episode Brian explains the science behind the colours of the planet. S1 E4.

Appearance: Dr Michael Mosley travels to Los Angeles, California, to meet an extraordinary 71-year-old with wrinkle-free skin. S1 E4.

Episode 1: Simon begins his journey in the south of Ireland, para-motoring with an Irish explorer. On the west coast he does spot of surfing, before climbing Croagh Patrick in honour of Ireland's patron saint. S1 E1.

Bison: There are extraordinary new dinosaur discoveries uncovered in the Moroccan mountains. We get close to wild bison in Kent and hunt for invasive crabs in the river Thames. S2 E4.

Australia: Ben learns to oyster pick, brew beer, trade fish and dance with the locals with voluntary castaway Dave Glasheen on a remote Australian island. S1 E1.

Sir David Attenborough follows the excavation and analysis of a huge ichthyosaur dinosaur. A remarkable chance discovery could reveal secrets that have lain hidden for 200 million years. S1 E1.

Episode 4: The last leg of Ade Adepitan's tour sees him travelling from the beaches of Mozambique, through to South Africa. At Paradise Island, Ade finds an abandoned hotel. S1 E4.

The Pale Blue Dot: Professor Brian Cox reveals how Earth's beauty is created by just a handful of forces. In this episode Brian explains the science behind the colours of the planet. S1 E4.

Appearance: Dr Michael Mosley travels to Los Angeles, California, to meet an extraordinary 71-year-old with wrinkle-free skin. S1 E4.

Hard Lessons, Lasting Impressions: Alaskans break trail and hunt for their survival during the tail end of the brutal winter. S10 E8.

Episode 3: A man who is about to be made homeless puts his dog's needs before his own. S4 E3.

Sir David Attenborough follows the excavation and analysis of a huge ichthyosaur dinosaur. A remarkable chance discovery could reveal secrets that have lain hidden for 200 million years. S1 E1.

Australia: Ben learns to oyster pick, brew beer, trade fish and dance with the locals with voluntary castaway Dave Glasheen on a remote Australian island. S1 E1.

Bison: There are extraordinary new dinosaur discoveries uncovered in the Moroccan mountains. We get close to wild bison in Kent and hunt for invasive crabs in the river Thames. S2 E4.

Sweet Child O' Mine: 2-year-old Max is rushed into resus struggling to breathe and 69-year-old Maureen has broken her ankle in a fall down the stairs while looking after her grandchildren. S18 E10.

Hard Lessons, Lasting Impressions: Alaskans break trail and hunt for their survival during the tail end of the brutal winter. S10 E8.

The Pale Blue Dot: Professor Brian Cox reveals how Earth's beauty is created by just a handful of forces. In this episode Brian explains the science behind the colours of the planet. S1 E4.

Appearance: Dr Michael Mosley travels to Los Angeles, California, to meet an extraordinary 71-year-old with wrinkle-free skin. S1 E4.

Episode 2: Simon's journey begins at the spectacular Giant's Causeway, before travelling to nearby Rathlin Island, where a small island community are experimenting with a form of underwater food production. S1 E2.

Bank Card: Hannah Fry takes a look at the bank card, the digital key to accessing cash, and finds out how its extraordinary innovations have some surprising and sinister origins. S1 E1.

Alaska: Ben learns grizzly bear protection and storm navigation with a couple who live in a Mongolian-style yurt in the Alaskan wilderness. S1 E2.

David Attenborough tells the story of the discovery and reconstruction in Argentina of the world's largest-known dinosaur, a new species of titanosaur. S1 E1.

People Like Us: Connor is rushed to Queen's Medical Centre after crashing his motorbike, Rob is admitted into resus after his breathing tube becomes dislodged. S18 E11.

Can't Change The Fear: The Alaskans embrace change as winter loosens its icy grip on the Arctic. S10 E9.

Part 1: In this first episode, Steve starts his journey at Lake Habema, the body of water where the Baliem River begins its life. S1 E1.

Stretched to the Limit: David Attenborough examines the chameleon's tongue and the giraffe's neck. S1 E1.

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

Episode 2: Simon's journey begins at the spectacular Giant's Causeway, before travelling to nearby Rathlin Island, where a small island community are experimenting with a form of underwater food production. S1 E2.

Bank Card: Hannah Fry takes a look at the bank card, the digital key to accessing cash, and finds out how its extraordinary innovations have some surprising and sinister origins. S1 E1.

Alaska: Ben learns grizzly bear protection and storm navigation with a couple who live in a Mongolian-style yurt in the Alaskan wilderness. S1 E2.

David Attenborough tells the story of the discovery and reconstruction in Argentina of the world's largest-known dinosaur, a new species of titanosaur. S1 E1.

Part 1: In this first episode, Steve starts his journey at Lake Habema, the body of water where the Baliem River begins its life. S1 E1.

Stretched to the Limit: David Attenborough examines the chameleon's tongue and the giraffe's neck. S1 E1.

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

Can't Change The Fear: The Alaskans embrace change as winter loosens its icy grip on the Arctic. S10 E9.

Episode 1: Ade Adepitan embarks on the first leg of his journey around Africa, starting in west Africa from Cape Verde to Senegal and the Ivory Coast, before finishing in Nigeria. S1 E1.

Episode 2: The second of Ade Adepitan's four-part journey around Africa takes him across central Africa, from the coast of Gabon, through the Democratic Republic of Congo, and on to Uganda. S1 E2.

Episode 2: The second of Ade Adepitan's four-part journey around Africa takes him across central Africa, from the coast of Gabon, through the Democratic Republic of Congo, and on to Uganda. S1 E2.

Episode 3: Ade begins this leg of his journey in Tanzania, in Selous Game Reserve. He is on the lookout for elephants but numbers in this park have fallen by 90% over the last few decades. S1 E3.

Episode 3: Ade begins this leg of his journey in Tanzania, in Selous Game Reserve. He is on the lookout for elephants but numbers in this park have fallen by 90% over the last few decades. S1 E3.

Episode 4: The last leg of Ade Adepitan's tour sees him travelling from the beaches of Mozambique, through to South Africa. At Paradise Island, Ade finds an abandoned hotel. S1 E4.

Episode 4: The last leg of Ade Adepitan's tour sees him travelling from the beaches of Mozambique, through to South Africa. At Paradise Island, Ade finds an abandoned hotel. S1 E4.

Can't Change The Fear: The Alaskans embrace change as winter loosens its icy grip on the Arctic. S10 E9.

Can't Change The Fear: The Alaskans embrace change as winter loosens its icy grip on the Arctic. S10 E9.

Episode 15: Across in Cardiff, Inspector Izzie Hignel checks in on a Bulldog who could potentially have been left home alone. S8 E15.

Episode 16: In this special Christmas edition of The Dog Rescuers, Inspector Anthony Joynes battles the frozen elements to aid a Staffy who is suffering from multiple ailments. S8 E16.

Episode 16: In this special Christmas edition of The Dog Rescuers, Inspector Anthony Joynes battles the frozen elements to aid a Staffy who is suffering from multiple ailments. S8 E16.

Cities: Cities can be worlds of surprising opportunity for animals, from the leopards prowling the streets of Mumbai to the peregrine falcons hunting amongst New York's skyscrapers. S2 E6.

Cities: Cities can be worlds of surprising opportunity for animals, from the leopards prowling the streets of Mumbai to the peregrine falcons hunting amongst New York's skyscrapers. S2 E6.

Spring: The North faces the sun's rays, the great melt begins bringing new life. For animal families in the South, conditions are worsening as days shorten. S1 E2.

Spring: The North faces the sun's rays, the great melt begins bringing new life. For animal families in the South, conditions are worsening as days shorten. S1 E2.

The Pale Blue Dot: Professor Brian Cox reveals how Earth's beauty is created by just a handful of forces. In this episode Brian explains the science behind the colours of the planet. S1 E4.

Part 1: In this first episode, Steve starts his journey at Lake Habema, the body of water where the Baliem River begins its life. S1 E1.

Life's Too Short: Keith is rushed to Queen's Medical Centre after a cardiac arrest, Joanna suffers a spinal fracture and in the Urgent Treatment Unit, John is being treated after being run over by a car. S18 E6.

Blood, Sweat And Tears: 55 year old Chris is rushed to Queen's Medical Centre after being run over by a lorry at work, whilst 65-year-old Elizabeth has a head wound after falling cleaning a pub. S18 E7.

Snared: Lessons are learned and personal battles are fought by Alaskans enduring winter's descent. Chip and Agnes hailstone dig their boat out of the ice and Ricko Dewilde takes his two daughters on a hunt. S10 E10.

Episode 1: Documentary featuring the dazzling array of creatures that inhabit the wilds of China. S1 E1.

Spring: The North faces the sun's rays, the great melt begins bringing new life. For animal families in the South, conditions are worsening as days shorten. S1 E2.

Extreme and Online: Louis Theroux meets the latest incarnation of the American far right: a political movement born out of the internet and increasingly making its presence felt on the political stage. S1 E1.

Episode 1: Ade Adepitan embarks on the first leg of his journey around Africa, starting in west Africa from Cape Verde to Senegal and the Ivory Coast, before finishing in Nigeria. S1 E1.

Episode 2: The second of Ade Adepitan's four-part journey around Africa takes him across central Africa, from the coast of Gabon, through the Democratic Republic of Congo, and on to Uganda. S1 E2.

Episode 3: Ade begins this leg of his journey in Tanzania, in Selous Game Reserve. He is on the lookout for elephants but numbers in this park have fallen by 90% over the last few decades. S1 E3.

Episode 4: The last leg of Ade Adepitan's tour sees him travelling from the beaches of Mozambique, through to South Africa. At Paradise Island, Ade finds an abandoned hotel. S1 E4.

Episode 15: Across in Cardiff, Inspector Izzie Hignel checks in on a Bulldog who could potentially have been left home alone. S8 E15.

Snared: Lessons are learned and personal battles are fought by Alaskans enduring winter's descent. Chip and Agnes hailstone dig their boat out of the ice and Ricko Dewilde takes his two daughters on a hunt. S10 E10.

Extreme and Online: Louis Theroux meets the latest incarnation of the American far right: a political movement born out of the internet and increasingly making its presence felt on the political stage. S1 E1.

Episode 2: Having learnt where a hippos aggression comes from Steve wants to find out if we can live alongside hippos that kill up to 500 people a year. He visits St. Lucía, a town where hippos roam the streets. S1 E2.

Antarctica: Antarctica - the coldest, windiest, most hostile continent. Only the toughest can survive here. But the ocean here is warming and with that comes an uncertain future. S1 E1.

Misfortune: The long-awaited arrival of the great migration increases conflict between the families of the Serengeti. S1 E4.

Appearance: Dr Michael Mosley travels to Los Angeles, California, to meet an extraordinary 71-year-old with wrinkle-free skin. S1 E4.

Stretched to the Limit: David Attenborough examines the chameleon's tongue and the giraffe's neck. S1 E1.

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

Snared: Lessons are learned and personal battles are fought by Alaskans enduring winter's descent. Chip and Agnes hailstone dig their boat out of the ice and Ricko Dewilde takes his two daughters on a hunt. S10 E10.

Episode 1: Documentary featuring the dazzling array of creatures that inhabit the wilds of China. S1 E1.

Spring: The North faces the sun's rays, the great melt begins bringing new life. For animal families in the South, conditions are worsening as days shorten. S1 E2.

Botswana: This episode features conservationist Aleksandra, who moved to Botswana to live in the Kalahari desert. S11 E14.

Japan: This episode features Rupert, a Yorkshireman who moved to the remote countryside of southern Japan to grow rice. S11 E15.

Episode 1: Join us at the Dog Rescuers house as host Alan Davies throws the ultimate Christmas party for his doggy friends. S4 E1.

Episode 2: Underweight, and heavily pregnant; Lilly the Staffy urgently needs Inspector Lyndsey Taylor help. S4 E2.

Boys Just Want to Have Fun: Milky comes to A&E with possible life-changing injuries after a road crash, Shaun has had a bad parachute landing and a 6-year-old has an unknown object stuck in his throat. S18 E8.

Sweet Child O' Mine: 2-year-old Max is rushed into resus struggling to breathe and 69-year-old Maureen has broken her ankle in a fall down the stairs while looking after her grandchildren. S18 E10.

Forbidden Lands: The end of winter has arrived, and Alaskans venture out in search of survival necessities. S10 E11.

The Dark Ocean: Underwater cameraman Ken O'Sullivan explores the marine life of the northern part of the ocean, beginning with the dark waters off the coast of the north of Ireland in winter. S1 E1.

Searching For Monsters: Underwater cameraman Ken O'Sullivan travels along the south coast of Ireland searching for fin whales, finding out that their migration routes have only recently started to be documented. S1 E2.

Into The Light: Underwater cameraman Ken O'Sullivan embraces the spirit of early explorers, and gains an understanding of some of the ocean's greatest and most diverse animals. S1 E3.

Sir David Attenborough follows the excavation and analysis of a huge ichthyosaur dinosaur. A remarkable chance discovery could reveal secrets that have lain hidden for 200 million years. S1 E1.

David Attenborough tells the story of the discovery and reconstruction in Argentina of the world's largest-known dinosaur, a new species of titanosaur. S1 E1.

Extreme and Online: Louis Theroux meets the latest incarnation of the American far right: a political movement born out of the internet and increasingly making its presence felt on the political stage. S1 E1.

Episode 1: Documentary featuring the dazzling array of creatures that inhabit the wilds of China. S1 E1.

Boys Just Want to Have Fun: Milky comes to A&E with possible life-changing injuries after a road crash, Shaun has had a bad parachute landing and a 6-year-old has an unknown object stuck in his throat. S18 E8.

Sweet Child O' Mine: 2-year-old Max is rushed into resus struggling to breathe and 69-year-old Maureen has broken her ankle in a fall down the stairs while looking after her grandchildren. S18 E10.

Forbidden Lands: The end of winter has arrived, and Alaskans venture out in search of survival necessities. S10 E11.

Episode 4: Inspector Lyndsey Taylor comes to the rescue of a malnourished shih-tzu. S4 E4.

David Attenborough tells the story of the discovery and reconstruction in Argentina of the world's largest-known dinosaur, a new species of titanosaur. S1 E1.

Alaska: Ben learns grizzly bear protection and storm navigation with a couple who live in a Mongolian-style yurt in the Alaskan wilderness. S1 E2.

Bank Card: Hannah Fry takes a look at the bank card, the digital key to accessing cash, and finds out how its extraordinary innovations have some surprising and sinister origins. S1 E1.

People Like Us: Connor is rushed to Queen's Medical Centre after crashing his motorbike, Rob is admitted into resus after his breathing tube becomes dislodged. S18 E11.

People Like Us: Connor is rushed to Queen's Medical Centre after crashing his motorbike, Rob is admitted into resus after his breathing tube becomes dislodged. S18 E11.

Episode 1: The Sultanate of Oman is Arabia's most remarkable treasure. It is a land of surprising beauty filled with unexpected natural wonders, home to some of the rarest animals on Earth. S1 E1.

Episode 1: The Sultanate of Oman is Arabia's most remarkable treasure. It is a land of surprising beauty filled with unexpected natural wonders, home to some of the rarest animals on Earth. S1 E1.

Forbidden Lands: The end of winter has arrived, and Alaskans venture out in search of survival necessities. S10 E11.

Part 1: In this first episode, Steve starts his journey at Lake Habema, the body of water where the Baliem River begins its life. S1 E1.

Part 1: In this first episode, Steve starts his journey at Lake Habema, the body of water where the Baliem River begins its life. S1 E1.

Stretched to the Limit: David Attenborough examines the chameleon's tongue and the giraffe's neck. S1 E1.

Stretched to the Limit:David Attenborough examines the chameleon's tongue and the giraffe's neck. S1 E1.

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

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

Miracles Can Happen: American couple Jim and Jenny Desmond never planned on becoming surrogate parents to twenty-one chimps, and with new babies arriving every month, their home is now bursting at the seams. S1 E1.

Miracles Can Happen:American couple Jim and Jenny Desmond never planned on becoming surrogate parents to twenty-one chimps, and with new babies arriving every month, their home is now bursting at the seams. S1 E1.

Food Delivery App: Hannah Fry tucks into the tech behind food delivery apps, which are now used by 24 million people in the UK. Hannah finds out how pizza made us fall in love with the internet. S1 E2.

Food Delivery App: Hannah Fry tucks into the tech behind food delivery apps, which are now used by 24 million people in the UK. Hannah finds out how pizza made us fall in love with the internet. S1 E2.

New Zealand: Ben goes to New Zealand and spends time with a hunter-gatherer couple who have raised two teenagers in complete isolation. S1 E3.

New Zealand: Ben goes to New Zealand and spends time with a hunter-gatherer couple who have raised two teenagers in complete isolation. S1 E3.

Madagascar: Journey across Madagascar, the oldest island on Earth. Over time, it has given rise to more unique plants and animals - from its famed lemurs to colourful chameleons - than any other island. S1 E1.

Madagascar:Journey across Madagascar, the oldest island on Earth. Over time, it has given rise to more unique plants and animals - from its famed lemurs to colourful chameleons - than any other island. S1 E1.

The Unforeseen: Peta is rushed to Queen's Medical Centre after she was knocked unconscious and Libby has come into A&E after being hit in the face playing hockey. S18 E12.

The Unforeseen: Peta is rushed to Queen's Medical Centre after she was knocked unconscious and Libby has come into A&E after being hit in the face playing hockey. S18 E12.

Women of the North: In Alaska's unforgiving climate, the women must use their instincts and ingenuity to survive, thrive and provide for their families. S10 E12.

Episode 1: Wild and unpredictable, the Scandinavian coast is a place of haunting beauty and dangerous extremes, home to feisty puffins, orcas, eagles, otters and intrepid base jumpers. S1 E1.

Coasts: David Attenborough presents the first in a new series. Coasts: where two worlds collide, and where animals fight for survival amidst constant change. S3 E1.

Miracles Can Happen: American couple Jim and Jenny Desmond never planned on becoming surrogate parents to twenty-one chimps, and with new babies arriving every month, their home is now bursting at the seams. S1 E1.

Food Delivery App: Hannah Fry tucks into the tech behind food delivery apps, which are now used by 24 million people in the UK. Hannah finds out how pizza made us fall in love with the internet. S1 E2.

New Zealand: Ben goes to New Zealand and spends time with a hunter-gatherer couple who have raised two teenagers in complete isolation. S1 E3.

Madagascar: Journey across Madagascar, the oldest island on Earth. Over time, it has given rise to more unique plants and animals - from its famed lemurs to colourful chameleons - than any other island. S1 E1.

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

Episode 1: Wild and unpredictable, the Scandinavian coast is a place of haunting beauty and dangerous extremes, home to feisty puffins, orcas, eagles, otters and intrepid base jumpers. S1 E1.

Coasts: David Attenborough presents the first in a new series. Coasts: where two worlds collide, and where animals fight for survival amidst constant change. S3 E1.

Women of the North: In Alaska's unforgiving climate, the women must use their instincts and ingenuity to survive, thrive and provide for their families. S10 E12.

Episode 5: Inspector Boal rescues a dog that is in shock after collapsing with puncture wounds from fighting with two other dogs. S4 E5.

Madagascar: Journey across Madagascar, the oldest island on Earth. Over time, it has given rise to more unique plants and animals - from its famed lemurs to colourful chameleons - than any other island. S1 E1.

New Zealand: Ben goes to New Zealand and spends time with a hunter-gatherer couple who have raised two teenagers in complete isolation. S1 E3.

Food Delivery App: Hannah Fry tucks into the tech behind food delivery apps, which are now used by 24 million people in the UK. Hannah finds out how pizza made us fall in love with the internet. S1 E2.

The Unforeseen: Peta is rushed to Queen's Medical Centre after she was knocked unconscious and Libby has come into A&E after being hit in the face playing hockey. S18 E12.

Episode 2: The Sultanate of Oman is the Middle East's best kept secret. It is a corner of Arabia of unparalleled beauty and unexpected landscapes. S1 E2.

Women of the North: In Alaska's unforgiving climate, the women must use their instincts and ingenuity to survive, thrive and provide for their families. S10 E12.

Episode 1: Wild and unpredictable, the Scandinavian coast is a place of haunting beauty and dangerous extremes, home to feisty puffins, orcas, eagles, otters and intrepid base jumpers. S1 E1.

Coasts: David Attenborough presents the first in a new series. Coasts: where two worlds collide, and where animals fight for survival amidst constant change. S3 E1.

Breaking Point: At a chimpanzee orphanage in Liberia, a deadly cold breaks out among the babies, and the arrival of an eight-week-old infant and an adult male chimp brings new challenges. S1 E2.

Episode 3: Hannah Fry delves into the inner workings of virtual assistants, such as Amazon's Alexa, Google Assistant and Siri, which are now found in almost half of all UK homes. S1 E3.

Texas: Ben hunts rattlesnakes and meets eccentric desert folk with a former fashion photographer who ditched his New York mansion for the Texan wilderness. S1 E4.

Borneo: A journey from Borneo's rich coral reefs, through lush jungles to its mountainous heart, revealing why this island is home to a greater variety of life than almost any other. S1 E2.

Keep The Faith: Kye is rushed to Queen's Medical Centre after suffering a cardiac arrest during a football training, Tom is in resus following a traffic incident and Pheobe is in Minors after tripping in the library. S18 E13.

Break Up Time is Wake Up Time: Our Alaskans emerge from a long winter and seize new opportunities to travel, hunt, and farm while facing the dangers from thawing rivers. S10 E13.

Australia: Ben heads to Australia where he meets Bette, who lives alone in a ramshackle property in northern Queensland. Fogle quickly becomes acquainted with her no-nonsense attitude. S10 E1.

Asia: Asia - where rarely seen animals roam the hottest deserts, tallest jungles and highest mountains on Earth. S1 E2.

Breaking Point: At a chimpanzee orphanage in Liberia, a deadly cold breaks out among the babies, and the arrival of an eight-week-old infant and an adult male chimp brings new challenges. S1 E2.

Episode 3: Hannah Fry delves into the inner workings of virtual assistants, such as Amazon's Alexa, Google Assistant and Siri, which are now found in almost half of all UK homes. S1 E3.

Texas: Ben hunts rattlesnakes and meets eccentric desert folk with a former fashion photographer who ditched his New York mansion for the Texan wilderness. S1 E4.

Borneo: A journey from Borneo's rich coral reefs, through lush jungles to its mountainous heart, revealing why this island is home to a greater variety of life than almost any other. S1 E2.

Episode 2: The Sultanate of Oman is the Middle East's best kept secret. It is a corner of Arabia of unparalleled beauty and unexpected landscapes. S1 E2.

Australia: Ben heads to Australia where he meets Bette, who lives alone in a ramshackle property in northern Queensland. Fogle quickly becomes acquainted with her no-nonsense attitude. S10 E1.

Asia: Asia - where rarely seen animals roam the hottest deserts, tallest jungles and highest mountains on Earth. S1 E2.

Break Up Time is Wake Up Time: Our Alaskans emerge from a long winter and seize new opportunities to travel, hunt, and farm while facing the dangers from thawing rivers. S10 E13.

Episode 6: Inspector Anthony Pulfer fears the worst when he finds a motionless German Shepherd in a suburban garden. S4 E6.

Borneo: A journey from Borneo's rich coral reefs, through lush jungles to its mountainous heart, revealing why this island is home to a greater variety of life than almost any other. S1 E2.

Texas: Ben hunts rattlesnakes and meets eccentric desert folk with a former fashion photographer who ditched his New York mansion for the Texan wilderness. S1 E4.

Episode 3: Hannah Fry delves into the inner workings of virtual assistants, such as Amazon's Alexa, Google Assistant and Siri, which are now found in almost half of all UK homes. S1 E3.

Keep The Faith: Kye is rushed to Queen's Medical Centre after suffering a cardiac arrest during a football training, Tom is in resus following a traffic incident and Pheobe is in Minors after tripping in the library. S18 E13.

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

Break Up Time is Wake Up Time: Our Alaskans emerge from a long winter and seize new opportunities to travel, hunt, and farm while facing the dangers from thawing rivers. S10 E13.

Australia: Ben heads to Australia where he meets Bette, who lives alone in a ramshackle property in northern Queensland. Fogle quickly becomes acquainted with her no-nonsense attitude. S10 E1.

Asia:Asia - where rarely seen animals roam the hottest deserts, tallest jungles and highest mountains on Earth. S1 E2.

A New Beginning: At Liberia's only home for rescued chimpanzees, new arrivals keep flooding in. Jimmy and Jenny Desmond and their team are now at breaking point. S1 E3.

Episode 4: Hannah Fry discovers why innovations in meat packing almost derailed the electric car revolution and how a breakthrough in camcorder batteries led to Elon Musk's electric empire. S1 E4.

Georgia, USA: Adventurer Ben Fogle journeys to the swamplands of Georgia to live with Colbert, a former city fat cat turned jungle Tarzan. S2 E1.

Hawaii:Exploring Hawaii, a tropical sanctuary for any wildlife that can reach its remote shores. From humpback whales to waterfall-climbing fish, it is home to a treasure trove of wildlife. S1 E3.

Til We Meet Again: Joan is rushed to Queen's Medical Centre after falling on a moving tram, Rose has been thrown into the air by a car and in 13 year old Prince has broken his leg in three places playing football. S18 E14.

The Burden of Possessions: With temperatures on the rise, Alaskans must ensure their survival in the hostile Arctic. S10 E14.

Summer: The North has constant sun, the south is in constant darkness. However, things aren't that simple. This is a season of feast, famine, and fire. S1 E3.

Exodus: The dry season is now upon the animals of the Serengeti, and while the increasing drought turns the waterhole into a death trap for some, Kali and her cubs are finally able to enjoy life. S1 E5.

A New Beginning: At Liberia's only home for rescued chimpanzees, new arrivals keep flooding in. Jimmy and Jenny Desmond and their team are now at breaking point. S1 E3.

Episode 4: Hannah Fry discovers why innovations in meat packing almost derailed the electric car revolution and how a breakthrough in camcorder batteries led to Elon Musk's electric empire. S1 E4.

Georgia, USA: Adventurer Ben Fogle journeys to the swamplands of Georgia to live with Colbert, a former city fat cat turned jungle Tarzan. S2 E1.

Hawaii:Exploring Hawaii, a tropical sanctuary for any wildlife that can reach its remote shores. From humpback whales to waterfall-climbing fish, it is home to a treasure trove of wildlife. S1 E3.

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

Summer: The North has constant sun, the south is in constant darkness. However, things aren't that simple. This is a season of feast, famine, and fire. S1 E3.

Exodus: The dry season is now upon the animals of the Serengeti, and while the increasing drought turns the waterhole into a death trap for some, Kali and her cubs are finally able to enjoy life. S1 E5.

The Burden of Possessions: With temperatures on the rise, Alaskans must ensure their survival in the hostile Arctic. S10 E14.

Episode 7:Inspector Joynes discovers a bull mastiff living a lonely life in a garden shed. S4 E7.

Hawaii:Exploring Hawaii, a tropical sanctuary for any wildlife that can reach its remote shores. From humpback whales to waterfall-climbing fish, it is home to a treasure trove of wildlife. S1 E3.

Georgia, USA: Adventurer Ben Fogle journeys to the swamplands of Georgia to live with Colbert, a former city fat cat turned jungle Tarzan. S2 E1.

Episode 4: Hannah Fry discovers why innovations in meat packing almost derailed the electric car revolution and how a breakthrough in camcorder batteries led to Elon Musk's electric empire. S1 E4.

Til We Meet Again: Joan is rushed to Queen's Medical Centre after falling on a moving tram, Rose has been thrown into the air by a car and in 13 year old Prince has broken his leg in three places playing football. S18 E14.

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

The Burden of Possessions: With temperatures on the rise, Alaskans must ensure their survival in the hostile Arctic. S10 E14.