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Season guide

Horizon: 1969

37 episodes Premiered Jan 2, 1969 Updated Sep 25, 2026
Previously on Horizon

Season 6 Lore Primer

Key plot threads, lore context, and character stakes you need to remember before diving into this season.

  • ⚡ Directly follows the overarching narrative developments of Horizon Season 5.
  • ⚡ Faction dynamics and core character alliances shift under escalating external stakes.
  • ⚡ Crucial mysteries introduced previously reach key turning points and narrative reckonings.
  • ⚡ Sets up serialized story arcs that build directly toward the climactic season finale.
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Season 6 Episodes

Episode Guide

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Season 6: Filler vs. Essential Canon

Filter episodes by narrative weight. Focus on essential mytharc and skip standalone side quests.

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Mytharc (3): Crucial lore & season climaxes
Core (34): Character development & subplots
Side Quest (0): Standalone / filler
S6·E1 Mytharc

Inside Every Fat Man

Jan 2, 1969 · 60 min

Horizon probes into the problems of obesity and investigates cures for obesity using diets and drugs.

S6·E2 Core

If Only They Could Speak

Jan 9, 1969 · 60 min

A report by Horizon examining animal intelligence and looking at the reasons why no other animal has matched man in mental ability.

S6·E4 Core

The Years of the Locust

Jan 23, 1969 · 60 min

In this episode, Horizon reports on how in the last 2 years, the desert locust has been breeding in Southern Arabia by the Red Sea.

S6·E5 Core

The Gifted Child

Jan 30, 1969 · 60 min

Horizon reports on the problems associated with raising and educating children of very high intelligence.

S6·E6 Core

The Last of the Polymaths

Feb 6, 1969 · 60 min

This episode is a biography of the late professor J. B. S. Haldane whose life is described by his family, friends, and critics.

S6·E7 Core

Music and the Mind

Feb 13, 1969 · 60 min

Horizon looks into music therapy used in the treatment of mental disorders.

S6·E8 Core

Report on V.D.

Feb 20, 1969 · 60 min

This investigation by Horizon centers on the problems caused by venerial disease both in detection and cure.

S6·E9 Core

Extra-Sensory Perception

Feb 27, 1969 · 60 min

In scientific circles extra-sensory perception is a subject which has never failed to arouse controversy and skepticism. Cecil King, having spent a lifetime in Fleet Street, discus

S6·E10 Core

The Drift from Science

Mar 6, 1969 · 60 min

This report by Horizon examines the reason for a fall in the percentage of school children doing science.

S6·E11 Core

Powers of Persuasion

Mar 13, 1969 · 60 min

This episode of Horizon is about advertising, looking at how it works and the application of scientific methods to persuade us to buy.

S6·E12 Core

The View from Space

Mar 20, 1969 · 60 min

Horizon looks into what man has seen and done during 10 years of space exploration.

S6·E13 Core

The Unborn Patient

Mar 27, 1969 · 60 min

Horizon investigates new medical techniques to diagnose and treat unborn infants leading to a higher survival rate.

S6·E14 Core

The Physicist in the Kitchen

Apr 3, 1969 · 60 min

Nicholas Kurti, Professor of Physics at the Clarendon Laboratory, Oxford, specializes in the field of low temperature science. He is acknowledged among his friends as an expert in

S6·E15 Core

King Solomon's Garden

Apr 10, 1969 · 60 min

This episode of Horizon looks at the communication systems of animals.

S6·E16 Core

Muck Today, Poison Tomorrow

Apr 24, 1969 · 60 min

Horizon investigates pollution problems in Britain with sewage and industrial wastes, and at the health risks associated with the pollution.

S6·E17 Core

Shark

May 1, 1969 · 60 min

In this episode, Horizon examines our attempts to understand one of the oldest inhabitants of the sea, the shark.

S6·E18 Core

Technology and Self-Determination

May 15, 1969 · 60 min

Sebastian Z. de Ferranti gives the Royal Society lecture for 1969 on technological development.

S6·E19 Core

After Apollo

May 22, 1969 · 60 min

The US spent $40 billion to put man on the moon, yet the real objectives of the space program remain obscure.

S6·E20 Core

Discovery

May 29, 1969 · 60 min

Horizon reports on the research being carried out in the fields of botany, astronomy, biochemistry, meteorology, and zoology.

S6·E21 Core

Machines and People

Jun 5, 1969 · 60 min

The Honorable A. W. Benn addresses young art and technology students on the implications of increased technology.

S6·E22 Core

Science on Safari

Sep 15, 1969 · 60 min

The Honorable A. W. Benn addresses young art and technology students on the implications of increased technology.

S6·E23 Core

A True Madness

Sep 22, 1969 · 60 min

Schizophrenia is an unsolved mystery of modern medicine. Horizon looks at some of the possible explanations and their relevance not only to schizophrenics but to the mystery of the

S6·E24 Core

Problems of Pain

Sep 29, 1969 · 60 min

In this episode, Horizon reports on the problems of pain, and the theory put forward that pain is closely connected with personality.

S6·E25 Core

Four Fast Legs and a Nose

Oct 6, 1969 · 60 min

Horizon explores "man's best friend", the dog, and examines its origins and how its special relationship with men came about.

S6·E26 Core

Father of the Man

Oct 13, 1969 · 60 min

Horizon investigates surveys being carried out on British children to test Freud's theories.

S6·E27 Core

Master of the Microscope

Oct 20, 1969 · 60 min

In this episode, Roman Vishniac talks about his study of living things in their natural habitat as his life's work.

S6·E28 Core

C.E.R.N.

Oct 27, 1969 · 60 min

Horizon reports on the research into high-energy physics carried on at C.E.R.N. laboratory located near Geneva, Switzerland.

S6·E29 Core

Snap, Crackle and Bang

Nov 3, 1969 · 60 min

The props for this programme are pistols, muskets and, above all, explosives. For 30 years now these are what Colonel Brian Shaw, marksman and lecturer in chemistry, has been using

S6·E30 Core

Cancer Now

Nov 10, 1969 · 60 min

A report on current research into cancer and the subsequent knowledge and problems it brings.

S6·E31 Core

There's a Rhino in My Sugar

Nov 17, 1969 · 60 min

For some time now rhinos have been disturbing the workers in the Tanzanian sugar plantation and ripping open the plastic water pipes to get at the water. These incidents, and the h

S6·E32 Core

Fit to Live?

Nov 24, 1969 · 60 min

Horizon investigates the limits of survival under extreme and normal environmental conditions.

S6·E33 Core

Don't Cackle, Lay Eggs

Dec 1, 1969 · 60 min

Horizon reports on the development of the Dutch nation's continuing fight against the encroachment of the sea.

S6·E34 Core

How Much Do You Drink?

Dec 8, 1969 · 60 min

Horizon investigates how drinking affects human behavior.

S6·E35 Core

A Game of War

Dec 15, 1969 · 60 min

Horizon covers a simulated war game of a Middle East crisis, with different teams playing the roles of the major parties involved.

S6·E36 Mytharc

Bread

Dec 22, 1969 · 60 min

Horizon explores the problem of feeding the growing world population.

S6·E37 Mytharc

For the Safety of Mankind

Dec 29, 1969 · 60 min

Horizon investigate the dilemma of whether a scientist should put his loyalty to mankind before his loyalty to his country.

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