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Horizon (1964)

7.5 62 seasons 1174 episodes Returning Series

Documentary

Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.

Watch S40 E1 Latest: S62 E1

Seasons & episodes

The Mystery Of Easter IslandJan 9, 2003 · 1h 0m

On Easter Day 1722, Dutch explorers landed on Easter Island. A civilisation isolated by 4,000km of Pacific Ocean was about to meet the outs…

Living NightmareJan 16, 2003 · 1h 0m

Sleeping is an essential part of everyone's life yet it remains little understood is barely understood. You might think it's a relaxing rec…

Averting ArmageddonJan 23, 2003 · 1h 0m

The Earth is under constant bombardment. Each year, many fragments of debris hit our planet. Fortunately for us, most are so small that the…

Dirty BombJan 30, 2003 · 1h 0m

A dirty bomb is a radiological weapon but unlike a nuclear bomb, its purpose is to contaminate rather than destroy. It uses normal explosiv…

Sexual Chemistry (Update)Feb 13, 2003 · 1h 0m

The drug Viagra revolutionised the treatment of sexual dysfunction in men on its launch five years ago. An accidental discovery, the tablet…

The Day We Learned To ThinkFeb 20, 2003 · 1h 0m

Understanding of humans' earliest past often comes from studying fossils. They tell us much of what we know about the people who lived befo…

Trial and ErrorFeb 27, 2003 · 1h 0m

It was the simplest idea but one with enormous potential. If a gene is defective in the human body, just replace it with one that works pro…

Earthquake StormsMar 6, 2003 · 1h 0m

Earthquakes are among the most devastating natural disasters on the planet. In the last hundred years they have claimed the lives of over o…

Life On Mars (Update)Mar 27, 2003 · 1h 0m

Are we alone in the Universe? Or are there aliens somewhere in space? New evidence suggests not only might other life-forms be out there, t…

The Secret Life Of CavesApr 3, 2003 · 1h 0m

Set against the back drop of awe inspiring geological beauty, a strange scientific adventure sets out to discover how a mineral clad cave n…

God On The BrainApr 17, 2003 · 1h 0m

Rudi Affolter and Gwen Tighe have both experienced strong religious visions. He is an atheist; she a Christian. He thought he had died; she…

Flight 587May 8, 2003 · 1h 0m

265 people died when an Airbus operated by American Airlines crashed into the New York suburb of Queens in November 2001. The twin-engined…

SARS: The True StoryMay 29, 2003 · 1h 0m

Severe Acute Respiratory Syndrome didn't even have its name in February 2003, when it struck its first known victim, Johnny Cheng, in Hanoi…

The Big ChillNov 13, 2003 · 1h 0m

Remember that long, hot summer? You might never see its like again. And all that talk of global warming? Forget it. This season's first Hor…

The Bible CodeNov 20, 2003 · 1h 0m

This week Horizon investigates the science behind the Bible Code. What he can see is truly horrific; according to Drosnin, the world could…

Last Flight of the ColumbiaNov 27, 2003 · 1h 0m

Mixing powerful and deeply moving footage with telling forensic analysis, Horizon reveals what really went wrong on the Space Shuttle Colum…

The Hunt for an AIDS VaccineDec 4, 2003 · 1h 0m

Horizon tells the microbiological detective story in which some of the best brains in science have been pitted against the most extraordina…

Percy Pilcher's Flying MachineDec 11, 2003 · 1h 0m

Could an unknown Englishman have been the first person ever to fly? To mark the hundredth anniversary of the Wright brothers inaugural flig…

Time TripDec 18, 2003 · 1h 0m

Horizon's Time Trip is a thrilling journey deep into the strangeness of cutting-edge physics - a place where beautiful, baffling ideas are…