Most Viewed From BBC Horizon
Recommendation to Watch From BBC Horizon - Watch amazing movies and TV shows for free. No subscription fees, and no credit cards. Just thousands of hours of streaming video content from studios like Paramount, Lionsgate, MGM and more.
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1998
Lost at Sea: The Search for Longitude
Lost at Sea: The Search for Longitude9.00 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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2009
How Many People Can Live On Planet Earth
How Many People Can Live On Planet Earth1 2009 HD
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2013
Defeating the Hackers
Defeating the Hackers6.30 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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2015
Secrets of the Solar System
Secrets of the Solar System7.20 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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2024
The Battle to Beat Malaria
The Battle to Beat Malaria1 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
Eat, Fast and Live Longer
Eat, Fast and Live Longer6.50 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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2009
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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2008
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
Hubble: The Wonders of Space Revealed
Hubble: The Wonders of Space Revealed8.00 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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2016
Oceans of the Solar System
Oceans of the Solar System10.00 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
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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2016
The Weirdest Weather in the Universe
The Weirdest Weather in the Universe10.00 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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2011
Surviving a Car Crash
Surviving a Car Crash7.00 2011 HD
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2014
Should I Eat Meat? The Big Health Dilemma
Should I Eat Meat? The Big Health Dilemma1 2014 HD
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2013
The Age of Big Data
The Age of Big Data1 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
Allergy Planet
Allergy Planet7.00 2008 HD
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2011
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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2008
How Does Your Memory Work
How Does Your Memory Work5.20 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
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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2013
Monitor Me
Monitor Me1 2013 HD