Horizon Season 55 Episodes

Episode 1

My Amazing Brain: Richard's War

Horizon follows the story of Richard Gray and his remarkable recovery from a life-changing, catastrophic stroke. Recorded by his documentary film-maker wife Fiona over four years, this film provides a rare account of the hard work that goes into post-stroke rehabilitation.

Episode 2

Teenagers vs Cancer: A User's Guide

Inspirational film revealing how 11 teenagers and young adults deal with cancer diagnosis and treatment. These moving stories share a sense of hope and teenage bloody-mindedness.

Episode 3

How to Build a Time Machine

Horizon meets scientists working on the cutting edge of discovery - people who may discover how to build wormholes, manipulate entangled photons or build functioning time crystals.

Episode 4

Spina Bifida & Me

Actress Ruth Madeley discovers how a law change could prevent many birth defects and how pioneering foetal surgery could transform the lives of babies with spina bifida.

Episode 5

Jupiter Revealed

Scientists start to peel back the layers of Jupiter to reveal the wonders within, using information gained from Nasa's Juno mission.

Episode 6

Stopping Male Suicide

59 mins

Suicide is the biggest killer of men under 50 in the UK. This means that the most likely thing to kill Dr Xand Van Tulleken is himself. And he wants to know why.

Episode 7

A Week Without Lying - The Honesty Experiment

Investigative documentary. Scientists use new technology on three British contributors to discover what our world would look like if we couldn't lie.

Episode 8

The Placebo Experiment: Can My Brain Cure My Body?

59 mins

Dr Michael Mosley attempts to cure real pain with fake pills in Britain's largest ever trial to investigate the placebo effect. He also tries to experience it for himself.

Episode 9

Body Clock: What Makes Us Tick?

An exposition on the workings of the human body clock. A former commando spends 10 days in varying light conditions within an abandoned bunker alone whilst a team monitor the effect of falling out of time sync with the rest of the world on his physical and mental state. Scientific explanations and useful sleeping pattern tips are given throughout the documentary.

Episode 10

Avalanche: Making a Deadly Snowstorm

Documentary. Can we predict avalanches? How can we save more lives? A team of scientists led by Prof Danielle George create a massive avalanche to find out.

Episode 11

Vitamin Pills: Miracle or Myth?

Nearly half of us take a vitamin or mineral supplement every day, but what are these pills sold on every high street actually doing? Dr Giles Yeo investigates who really needs a supplement by putting our diets to the test.

Episode 12

Diagnosis on Demand? The Computer Will See You Now

Dr Hannah Fry uncovers the inside story of a healthcare revolution, with behind-the-scenes access to Babylon Health, who want to prove that their AI is a match for human GPs.

Episode 13

The Contraceptive Pill: How Safe Is It?

GP Dr Zoe Williams investigates the contraceptive pill - exploring the latest scientific research and investigating the future of birth control.

Episode 18

The Horizon Guide to AI

59 mins

Documentary looking at the perception of AI from 1964 to the present day. Can we be optimistic about all that AI can deliver - or fearful of its ability to control our lives?