The WORST episodes of Horizon

Every episode of Horizon ever, ranked from worst to best by thousands of votes from fans of the show. The worst episodes of Horizon!

Amazing science stories, unravels mysteries and reveals worlds you've never seen before.

Last Updated: 12/12/2024Network: BBC TwoStatus: Continuing
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#1 - What's so Big About Us?

Season 1973 - Episode 27 - Aired 10/22/1973

Horizon investigates the plight of the Pygmies, on the verge of extinction as a racial group.

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#2 - Never Too Late to Learn

Season 1974 - Episode 3 - Aired 1/21/1974

Horizon reports on the British Open University and how it operates.

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#3 - Bird Brain - The Mystery of Bird Navigation

Season 1974 - Episode 2 - Aired 1/14/1974

This episode of Horizon is about various experiments on migratory birds and homing pigeons to try and discover how they navigate.

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#4 - A Matter of Self-Defense

Season 1974 - Episode 1 - Aired 1/7/1974

This episode of Horizon explains how our body fights infections and cancers and brings us up-to-date on recent research in immunology.

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#5 - Kula, a Reason for Giving

Season 1973 - Episode 33 - Aired 12/24/1973

Horizon reports on the inhabitants islands east of New Guinea who have evolved a system of intercommunication called the Kula.

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#6 - Digging Up the Future

Season 1973 - Episode 32 - Aired 12/17/1973

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#7 - An Element of Mystery

Season 1973 - Episode 31 - Aired 12/3/1973

This episode of Horizon documents the sources, uses, and properties of the element mercury and examines its role in modern society.

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#8 - Air Crash Detective

Season 1973 - Episode 30 - Aired 11/26/1973

In this report, Horizon investigates why airplanes crash and shows accident investigators at work analyzing a film of an actual crash.

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#9 - Carry on Smoking

Season 1973 - Episode 29 - Aired 11/5/1973

Horizon looks at the rise in the number of people who smoke and the real health risks.

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#10 - The Steadfast Tin Soldier

Season 1973 - Episode 28 - Aired 10/29/1973

This Horizon documentary is a biography of the Danish nuclear physicist, Nils Bohr, and his efforts to internationally control atomic energy.

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#11 - The Great Fish Hunt

Season 1974 - Episode 4 - Aired 1/28/1974

Horizon investigates how Britain has hunted fish in the past and how improved fish catching techniques have severely reduced fish stocks.

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#12 - The Black Holes of Gravity

Season 1973 - Episode 26 - Aired 10/15/1973

In this episode of Horizon, Prof. John Taylor of the London University looks at the effects of gravity and the forces it exerts on the universe.

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#13 - Gilding the Lily

Season 1973 - Episode 25 - Aired 10/8/1973

Horizon presents a documentary on the developments in botany resulting in new flowers and the mass production of plants from single cells.

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#14 - Stretch Up Tall

Season 1973 - Episode 24 - Aired 10/1/1973

This episode of Horizon takes a look at the medical and educational treatment of spastics in Britain.

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#15 - In Search of Konrad Lorenz

Season 1973 - Episode 23 - Aired 9/24/1973

Horizon presents a portrait of Konrad Lorenz and a review of his career and personal interests.

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#16 - A Scientist Looks at Religion

Season 1973 - Episode 22 - Aired 8/9/1973

This report by Horizon examines the work of Sir Alister Hardy who has set up a research unit to examine religious experience.

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#17 - How Does It Hurt?

Season 1973 - Episode 21 - Aired 7/5/1973

In this episode of Horizon, you will find that many people suffer chronic pain and yet others cannot feel anything.

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#18 - The Rat Man

Season 1973 - Episode 20 - Aired 6/28/1973

A dramatised reconstruction of Dr Freud's treatment of an obsessive neurotic who is frustrated, suicidal and terrified that rats are going to eat his father and girlfriend.

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#19 - The Telly of Tomorrow

Season 1973 - Episode 19 - Aired 6/21/1973

In this Horizon documentary, it deals with the expansion of television in Britain and the USA, especially with the growth of cable television.

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#20 - A Noah's Ark for Europe

Season 1974 - Episode 13 - Aired 5/13/1974

Horizon investigates captive animal breeding to prevent extinction of animal species in the wild.

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#21 - Mines, Minerals and Men

Season 1974 - Episode 21 - Aired 7/22/1974

Horizon explores the technological and economic reasons for the mining revival in Britain.

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#22 - The Immigrant Doctors

Season 1974 - Episode 20 - Aired 7/15/1974

In this episode, Horizon reports on the rising number of imigrant doctors working in the National Health System of Britain.

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#23 - The Race for the Double Helix

Season 1974 - Episode 19 - Aired 7/8/1974

This documentary of Horizon reports on the discovery of the structure of DNA in 1953 by Dr. Francis Crick and Prof. James Watson.

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#24 - Hills of Promise

Season 1974 - Episode 18 - Aired 7/1/1974

In this report, Horizon presents the state of hill farming in Wales.

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#25 - Who Needs Skills?

Season 1974 - Episode 17 - Aired 6/24/1974

In this episode of Horizon, you learn about transferring the basis of modern industry production from human skills to computer programmed machines.