Seasons & episodes

This Horizon documentary looks at how the ancient Egyptians built the pyramids without the use of the wheel, ramps, or levers.

This documentary by Horizon looks at how the Hubble space telescope is uncovering evidence of black holes in our distant galaxies.

This is a Horizon update to the story of the Stone Age man found frozen in an Alpine glacier in 1991.

Horizon shows how American scientists struggled to fulfil the dreams which challenged fundamental scientific laws.

In this episode, Horizon examines the latest scientific evidence about the Dead Sea Scrolls.

Horizon presents the story of a robot named Dante, who goes into an active volcano in Antarctica to find out if volcanoes contribute to the ozone hole in our atmosphere.

Follows a team of archaeologists led by Michael Novacek as they try to retrace the steps of an expedition launched by the American Museum of Natural History in the 1920's. The original expedition sought the origins of humanity but instead came across a virtual graveyard of the dinosaurs.

Horizon reports on scientists who are planning smart aircraft wings and smart buildings that can sense earthquakes.

In this episode, Horizon examines Asthma, the illness that is the most common condition of the developed world.

Horizon looks at causes of violence and asks psychologists to interview men and boys with a record of violence.

In this story, Horizon explores the endless stream of digital information available on demand to the public, but do we need, or even want it?

Horizon describes how researchers discovered that a lethal gas, called nitric oxide, was behind some of the most basic functions of our bodies.

This documentary by Horizon looks back into the 1980's where the work of pioneer researchers trying to determine if chimpanzees could understand language was attacked as charlatanism. Now the public opinion has moved back in favour of the idea that apes can indeed talk to us. The program looks at the latest developments in the chimpanzee language laboratories in America.

Horizon investigates how life began on Earth. Did it evolve on land surfaces on Earth, in the sea, or in space?

Horizon brings you the international campaign to frame the laws of war by limiting the design and use of weapons aimed at "soft targets".

This Horizon documentary explores theories about the reasons for the extinction of mammoths including those which survived on the Island of Wrangel.

This is a Horizon episode that attempts to answer the question, "What is a mind?" and how does your brain create it? Gerald Edelman thinks he has the answer.

Horizon brings you the story about a 13 year old girl who had lived most of her life tied up in the back room of her parent's house since the time she was born.

In this report by Horizon, we look at a type of cancer which cured itself. The cancer cells were killing themselves and finding out why may revolutionize future cancer treatment.

Horizon reports on a team investigating the mysterious disappearance of an airliner in 1992 that was flying over the Panamanian jungle.

In this documentary, Horizon tries to answer the question if "Star Wars" technology could be used to destroy meteors big enough to threaten life on earth.

This Horizon episode follows the rescue and repair mission carried out by the shuttle astronauts on the Hubble Space Telescope.

Horizon explores scientific discoveries made in extraordinary ways.

Horizon examines the continuing, bitter controversy over the claim that nuclear fusion has been produced in a test tube.