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Season guide

Horizon: 1968

24 episodes Premiered Jan 2, 1968 Updated Sep 25, 2026
Previously on Horizon

Season 5 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 4.
  • ⚡ 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 5 Episodes

Episode Guide

🛡️ SPOILER SHIELD

Season 5 Progress Shield

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Binge Efficiency Engine

Season 5: Filler vs. Essential Canon

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

13%
88%
Mytharc (3): Crucial lore & season climaxes
Core (21): Character development & subplots
Side Quest (0): Standalone / filler
S5·E1 Mytharc

An Ingenious Man - Sir H. John Baker

Jan 2, 1968 · 60 min

Horizon reports on Prof. Sir John Baker who is a distinguished British engineer, tracing his career beginning from his early work on airships.

S5·E2 Core

Man's Best Friend

Jan 30, 1968 · 60 min

This episode covers interviews with surgeons and research workers discussing the need for animal experimentation in medical work.

S5·E3 Core

Once a Junkie

Feb 13, 1968 · 60 min

In England addicts get their heroin, and often cocaine, on the National Health Service: our system has prevented the growth of a drug-based criminal world, but Americans say that o

S5·E5 Core

The Man Makers

Mar 12, 1968 · 60 min

In this episode, Horizon looks into the advances in medical science.

S5·E6 Core

Man in Search of Himself

Mar 26, 1968 · 60 min

This episode presents the view by G. M. Carstairs, social psychiatrist, about the pleasures and problems of life in Britain in 1968.

S5·E7 Core

Investigating Murder

Apr 9, 1968 · 60 min

Horizon looks into modern methods of crime investigation.

S5·E8 Core

The Equation of Murder

May 7, 1968 · 60 min

Horizon follows reporter Paul Ferris as he examines the causes and motitives for murder.

S5·E9 Core

The Lindemann Enigma

Sep 12, 1968 · 60 min

This is the story of the life and career of Winston Churchill's scientific advisor, Lord Cherwell, during World War II.

S5·E10 Core

From Field to Factory

Sep 19, 1968 · 60 min

Horizon explores "factory farming" techniques for chickens and other livestock.

S5·E11 Core

Comfort on Aging

Sep 26, 1968 · 60 min

In this episode, Dr. Alex Comfort looks at the scientific evidence for old age and the problems caused by ageing.

S5·E12 Core

Experiments in War

Oct 3, 1968 · 60 min

Horizon investigates how science is used to enhance weapons of war, tactics, and strategy.

S5·E13 Core

Medecine in Russia

Oct 10, 1968 · 60 min

In 1917, Russia had fewer than twenty doctors for every million of her people. Today, the figure is over 2,000: almost twice as many as in this country. The organisational changes

S5·E14 Core

African Medicine

Oct 17, 1968 · 60 min

In this episode, Horizon looks into controversial medicine practices in Nigeria.

S5·E15 Core

The Broken Bridge

Oct 24, 1968 · 60 min

This episode by Horizon is about Irene Kassorlas, who's new treatment for autism has produced positive results with mute children.

S5·E16 Core

Children Without Words

Oct 31, 1968 · 60 min

Horizon reports on speech and comprehension disorders in children, and how to educate them.

S5·E17 Core

The Computer Revolution

Nov 7, 1968 · 60 min

Horizon explores how computers are changing our way of life.

S5·E18 Core

Doctor's Dilemma

Nov 14, 1968 · 60 min

Horizon reports on the effects of the birth control pill on the body and how the pill can effect the changes in glucose metabolism.

S5·E19 Core

In the Matter of Dr. Alfred Nobel

Nov 21, 1968 · 60 min

This is the fictional drama about the evidence for and against the charges that Dr. Alfred Noble misused his invention of dynamite.

S5·E20 Core

Wheels Within Wheels

Nov 28, 1968 · 60 min

Horizon explores the possibility that our civilization as a whole can be viewed as a pattern based on the wheel.

S5·E21 Core

Black Man, White Science

Dec 5, 1968 · 60 min

In this episode, Horizon investigates the study of science by african americans.

S5·E22 Core

The Hidden World

Dec 12, 1968 · 60 min

In this episode, Horizon reports on the exploration and survey of the oceans of the world.

S5·E23 Mytharc

The Talgai Skull

Dec 19, 1968 · 60 min

Prof. N.W.G. MacIntosh investigates the origin of the Talgai Skull found in Australia in 1886.

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