The Best Episodes of Horizon Season 56

Dr Kevin Fong makes a personal journey through the moral questions about death that face not just the medical profession, but each and every one of us.

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Following the teams inside Facebook, revealing a hidden technological playground. The film tackles difficult questions, like how our data is used, and also shows how Facebook works.

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At a pivotal moment in the history of one of the world’s oldest drugs, Dr Javid Abdelmoneim investigates the latest medical and scientific research into the effects of cannabis on the brain and body.

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In the wake of the Gatwick drone crisis, high-risk specialist Aldo Kane investigates the threat drones pose to UK skies and tests the new technology we can use to keep ourselves safe.

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Following the NHS as they start to implement proton beam therapy, an advanced but expensive cancer treatment, as well as following as the first children awaiting the lifesaving treatment.

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We spend 190 billion pounds a year on groceries, but can we trust our supermarkets to tell us the truth about what we’re buying? Dr Hannah Fry and Priya Tew investigate the food we eat.

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