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Horizon : Season 61
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Air date: 18 Aug '25 - 4 episodesHorizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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List of Episodes (4)
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Horizon (1974)
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1. Confessions of a Brain Surgeon
18 Aug '25Top brain surgeon Henry Marsh is facing his own life-threatening diagnosis. He reveals the huge risks and emotional impact of a job filled with difficult life-and-death decisions.
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Horizon (1974)
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2. Disease X: Hunting the Next Pandemic
22 Sep '25Dr Chris van Tulleken investigates a mysterious virus that could cause the next pandemic, one scientists think will be deadlier than Covid-19. This is a global hunt to uncover 'Disease X'.
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Horizon (1974)
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3. Secrets of The Brain (1)
29 Sep '25Professor Jim Al-Khalili unravels the mystery of how the most complex structure known in the universe - the human brain - came to exist.
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Horizon (1974)
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4. Secrets of the Brain (2)
06 Oct '25From playing computer games with chimpanzees to studying modern relationships, Jim Al-Khalili investigates how the brain evolved and how they differ from AI.
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