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Horizon (1964)

7.5 62 seasons 1174 episodes Returning Series

Documentary

Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.

Watch S52 E1 Latest: S62 E1

Seasons & episodes

Should I Eat Meat? The Big Health DilemmaAug 18, 2014 · 1h 0m

Michael Mosley investigates the alleged danger in eating red and processed meat, and does a one month test on himself, doubling his meat in…

Should I Eat Meat? How to Feed the PlanetAug 20, 2014 · 1h 0m

Dr Michael Mosley seeks to establish the truth about meat. Every year, humans raise and eat 65 billion animals - nine animals for every per…

Allergies: Modern Life and MeAug 27, 2014 · 1h 0m

Changes to the bacteria that live inside all of us are responsible for increasing the number of people with allergies, suggests new researc…

Inside the Dark WebSep 3, 2014 · 1h 0m

Twenty-five years after the world wide web was created, it is now caught in the greatest controversy of its existence: surveillance. With m…

Ebola - The search for a cureSep 10, 2014 · 1h 0m

The Ebola virus. No-one knows exactly where it comes from but one thing is certain - it's one of the most virulent infections known to scie…

Is your Brain Male or Female?Sep 29, 2014 · 1h 0m

Dr Michael Mosley and Professor Alice Roberts investigate if male and female brains really are wired differently.

Secrets of the Solar SystemMar 3, 2015 · 1h 0m

New planets are now being discovered outside our solar system on a regular basis, and these strange new worlds are forcing scientists to re…

Aftershock: The Hunt for Gravitational WavesMar 10, 2015 · 1h 0m

Horizon travels to the South Pole to tell the inside story of the greatest scientific quest of our time. In March 2014, a team of astronome…

Dancing in the Dark - The End of Physics?Mar 17, 2015 · 1h 0m

Scientists genuinely don't know what most of our universe is made of. The atoms we're made from only make up four per cent. The rest is dar…

70 Million Animal Mummies: Egypt's Dark SecretMay 11, 2015 · 1h 0m

The team investigate the use of modern medical technology to scan Egyptian animal mummies from museums across the world. By creating 3-D im…

Is Binge Drinking Really That Bad?May 20, 2015 · 1h 0m

How bad can our drinking pattern be for our health? Doctors and genetically identical twins Chris and Xand van Tulleken want to find out. W…

The Trouble with Space JunkAug 5, 2015 · 1h 0m

In 2014, the International Space Station had to move three times to avoid lethal chunks of space debris and there is an increasing problem…

Are Health Tests Really A Good Idea?Aug 12, 2015 · 1h 0m

Michael Mosley puts himself through a battery of health tests available to people who feel perfectly well. From an expensive heart scan to…

First BritonsAug 19, 2015 · 1h 0m

Horizon reveals how new archaeological discoveries are painting a different picture of the very first native Britons. For centuries it's be…

OCD: A Monster In My MindAug 26, 2015 · 1h 0m

Most of us think that Obsessive Compulsive Disorder (OCD) is just over fussy tidying. But it's actually much more serious. Sophie has to ch…

Which Universe Are We In?Sep 2, 2015 · 1h 0m

Imagine a world where dinosaurs still walk the earth. A world where the Germans won World War II and you are President of the United States…

Cosmic Dawn: The Real Moment of CreationSep 9, 2015 · 1h 0m

Forget the big bang. The real moment of creation was the Cosmic Dawn - the moment of first light. This is the scientific version of the sto…

Are Video Games Really That Bad?Sep 16, 2015 · 1h 0m

The video game industry is a global phenomenon. There are over 1.2 billion gamers across the planet, with sales projected soon to pass $100…