Most Viewed From BBC Horizon

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  • 2009
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    How Many People Can Live On Planet Earth

    How Many People Can Live On Planet Earth

    1 2009 HD

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  • 2013
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    Defeating the Hackers

    Defeating the Hackers

    6.30 2013 HD

    Exploring the murky and fast-paced world of the hackers out to steal money and identities and wreak havoc with people's online lives, and the...

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  • 1998
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    Lost at Sea: The Search for Longitude

    Lost at Sea: The Search for Longitude

    9.00 1998 HD

    It was one of humankind's most epic quests - a technical problem so complex that it challenged the best minds of its time, a problem so important...

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  • 2015
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    Secrets of the Solar System

    Secrets of the Solar System

    7.20 2015 HD

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

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  • 2016
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    The Weirdest Weather in the Universe

    The Weirdest Weather in the Universe

    10.00 2016 HD

    Horizon visits state-of-the-art laboratories and uses CGI to recreate the science-fiction-worthy weather experienced on other planets.

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  • 2024
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    The Battle to Beat Malaria

    The Battle to Beat Malaria

    1 2024 HD

    In medical science, there’s been no longer harder fight than against malaria. This is the inside story of a historic new vaccine - from the...

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  • 2012
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    Eat, Fast and Live Longer

    Eat, Fast and Live Longer

    6.50 2012 HD

    British journalist and physician Michael Mosley sets an ambitious goal: to become healthier and lose weight while making as few changes as possible...

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  • 2008
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    Horizon: How Does Your Memory Work?

    Horizon: How Does Your Memory Work?

    7.00 2008 HD

    You might think that your memory is there to help you remember facts, such as birthdays or shopping lists. If so, you would be very wrong. The...

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  • 2020
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    Hubble: The Wonders of Space Revealed

    Hubble: The Wonders of Space Revealed

    8.00 2020 HD

    To celebrate the 30th anniversary of its launch, this film tells the remarkable story of how Hubble revealed the awe and wonder of our universe and...

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  • 2009
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    Who's Afraid of a Big Black Hole?

    Who's Afraid of a Big Black Hole?

    8.00 2009 HD

    Black holes are one of the most destructive forces in the universe, capable of tearing a planet apart and swallowing an entire star. Yet scientists...

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  • 2016
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    Oceans of the Solar System

    Oceans of the Solar System

    10.00 2016 HD

    A new era in the search for alien life has arrived as numerous bodies of life-sustaining water have been found all over our solar system.

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  • 2009
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    Why Are Thin People Not Fat?

    Why Are Thin People Not Fat?

    1 2009 HD

    The world is affected by an obesity epidemic, but why is it that not everyone is succumbing? Medical science has been obsessed with this subject and...

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  • 2011
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    Surviving a Car Crash

    Surviving a Car Crash

    7.00 2011 HD

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  • 2008
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    Allergy Planet

    Allergy Planet

    7.00 2008 HD

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  • 2011
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    Fukushima: Is Nuclear Power Safe?

    Fukushima: Is Nuclear Power Safe?

    6.80 2011 HD

    Six months after the explosions at the Fukushima nuclear plant and the release of radiation there, Professor Jim Al-Khalili sets out to discover...

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  • 2013
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    The Age of Big Data

    The Age of Big Data

    1 2013 HD

    In Los Angeles, a remarkable experiment is underway; the police are trying to predict crime, before it even happens. At the heart of the city of...

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  • 2008
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    How Does Your Memory Work

    How Does Your Memory Work

    5.20 2008 HD

    You might think that your memory is there to help you remember facts, such as birthdays or shopping lists. If so, you would be very wrong. The...

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  • 2014
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    Should I Eat Meat? The Big Health Dilemma

    Should I Eat Meat? The Big Health Dilemma

    1 2014 HD

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  • 2013
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    Monitor Me

    Monitor Me

    1 2013 HD

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  • 2014
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    Which Universe Are We In?

    Which Universe Are We In?

    1 2014 HD

    Imagine a world where infinite copies of you are playing out every storyline of your life. It sounds like a plot stolen straight from Hollywood, but...

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