How Many People Can Live on Planet Earth? | Horizon

2016: 7: My Amazing Twin | Horizon

Adam Pearson presents a personal film about genetics. He and his twin brother are genetically identical and both have neurofibromatosis 1 ...

6: Should We Close Our Zoos? | Horizon

Liz Bonnin investigates how and why zoos keep animals and looks at whether they need to change to keep up with modern science.

A Case of Depression | Horizon

Programme dealing with depressive illness and methods of treatment which cover psychotherapy, drugs and more drastic treatments like E.C.T. an...

A World of Their Own | Horizon

Filmed at Friern Barnet mental hospital in North London, a look at the work of the consultant psychiatrists whose job is to come to a diagnosi...

Alan Goldman and patient handover | Horizon

Dr Alan Goldman explains the handover system he has developed in the ICU, that is influenced by Formula One pit crews.

Alcohol and carbon footprint | Horizon

Different types of alcohol gets scrutinised for its carbon footprint.

Alternate day fasting | Horizon

Michael Mosley finds out about alternate fasting where you have specific food on one day and anything you like on the other.

Anti-psychotic medication | Horizon

The main treatment for schizophrenia is anti-psychotic medication which reduces symptoms of psychosis.

Are Video Games Really That Bad? | Horizon

Horizon explores the differing opinions on video games. They frequently stand accused of causing violence and addiction in young p...

Are You Good or Evil? | Horizon

Horizon meets researchers studying psychopathic killers to try to determine what makes people good or evil. One such scientist believes he ha...

Battered Baby | Horizon

An eight-week-old baby is rush ed to hospital bruised and with a broken arm. Her mother has admitted to "shaking her". Dr Danya Glaser explores the f...

Battered Baby: 2: Breaking the Chain | Horizon

Six weeks after Baby Jane is taken into hospital her parents are fighting for possession. The family show why the right decisi...

Beginning of the experiment | Horizon

The experiment begins with Aldo being isolated in a nuclear bunker away from people and outside influences.

Black hole | Horizon

An explanation of what a black hole is and the mystery surrounding their existence.

Black Schizophrenia | Horizon

A study, which claims that Afro-Caribbeans in UK are 10 times more likely to develop schizophrenia than others, is contested by other experts a...

Bob Nichol Explains Dark Matter | Horizon

A look at dark matter and dark energy ahead of the Large Hadron Collider being switched on in March 2015, having been upgraded.

Body Clock: What Makes Us Tick? | Horizon

A former commando spends ten days locked in a nuclear bunker, with no way of telling the time, to find out how best to manage our b...

Brain injuries and aggression | Horizon

An example of how brain injuries can lead to changes in personality and increased aggression.

Chimps Are People Too | Horizon

Danny Wallace presents a documentary which makes the case that chimpanzees, who share 99 per cent of our DNA, should be given the same rights...

China's Child | Horizon

The town of Changzhou is one of most successful examples of China's'one child' population policy.Prog examines way in which policy is pres to the peo...

2: Ocean | Planet Earth III

A groundbreaking journey from tropical shallow seas to the mysterious depths. Sir David Attenborough reveals extraordinary new worlds and unique ...

The mystery of the whale shark nursery | Blue Planet II

Nutrients from the deep provide sustenance for a large gathering of sea life.

Ants vs Cows | Natural World

The super colony unites in a spectacular attack to defend their nest from curious cows.

3: Jungles | Planet Earth II

Jungles provide the richest habitats on the planet - mysterious worlds of high drama where extraordinary animals attempt to survive in the most ...

Lizard Heaters | Life in Cold Blood

Wall lizards take advantage of foul-smelling dead-horse arums.

7: Great Plains | Planet Earth

Documentary series which celebrates Earth in its natural glory. A look at the great plains - wildernesses which support the greatest gathering...

Weighty wanderers | Life in the Freezer

With a wingspan of over 3m, the wandering albatross has the biggest feeding range of any bird. Throughout the winter they remain in n...

Our Precious Isles | Wild Isles

David Attenborough celebrates the rich variety of habitats in our wild isles, the existence of which is critical for the survival of species ...

David Attenborough | The Queen's Platinum Jubilee

David Attenborough speaks about the environment. Also, includes footage of the drones that turn into animals.

5: Human Worlds | The Green Planet

Two out of five wild plants are threatened with extinction. Today people are finding remarkable ways to help them, and so make our world a...

Greta meets David Attenborough | Greta Thunberg: A Year to Change the World

Greta Thunberg and David Attenborough discuss their hopes for the future of the planet.

COP26 delegates and climate scientists | Climate Change: The Facts

COP26 delegates and climate scientist Hannah Cloke discuss their hopes for the COP26 conference.

The People v Climate Change

Meet the 108 ordinary Brits who Sir David Attenborough says we should listen to. This warm and honest documentary reveals how everyday people fee...

Leopard seal vs penguin | Seven Worlds, One Planet

Glaciers crumbling more quickly, due to climate change, give the advantage to leopard seals hunting penguins.

Poison dart frogs battle it out | Attenborough's Life in Colour

A poison dart frog fights off a contender until he's sufficiently warned off.

The Weddell seal's adaptations | Life

The Weddell seal is perfectly adapted to survive in the environment it must endure.

Biodiversity loss | Extinction: The Facts

An exploration of the devastating impacts of the loss of insect and plant biodiversity.

Buffalo to the rescue | Dynasties

A painted wolf pack is attacked by lions seeking out the pups to kill. But an angry buffalo comes charging in and distracts the lions.

Marine predators and scavengers | The Blue Planet

The scavengers of the deep ocean rely on predators at the surface to provide their nutrition.

Unicorns of the north | Frozen Planet

Temporary cracks provide highways through the ice.