Season 32: Episode 7

Season 32: Episode 9

BBC Horizon (1964)

Season 32: Episode 8

The Betrayers

TMDb

Air Date:

2025-12-07

Genre

Documentary

Release Date

1964

End Date

2025

Episode Description

Horizon has uncovered disturbing evidence of the fabrication of scientific research results.

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25 Years in Space

Beyond the Moon

Biology at War: A Plague in the Wind

Halley's Comet - The Apparition

Red Star in Orbit: The Invisible Spaceman

Red Star in Orbit: The Dark Side of the Moon

Red Star in Orbit: The Mission

A Close Encouter of the Second Kind

Hide and Seek in Iraq

The Truth About Sex

Einstein: The Miracle Year

BSE: The Invisible Enemy

BSE: The Human Experiment

Ice Mummies: The Ice Maiden

Ice Mummies: A Life in Ice

Ice Mummies: Frozen in Heaven

Antarctica: The Ice Lives

Antarctica: The Ice Forms

Antarctica: The Ice Melts

Fat Files: Born to Be Fat

Fat Files: Fixing Fat

Fat Files: Living on Air

Atlantis Uncovered

Atlantis Reborn

Life and Death in the 21st Century: Living Forever

Life and Death in the 21st Century: Future Plagues

Life and Death in the 21st Century: Designer Babies

What Sank the Kursk?

First Olympians: A Horizon Special

Everest: Doctors in the Death Zone (1)

Everest: Doctors in the Death Zone (2)

Lost Horizons: The Big Bang

Mars: A Horizon Guide

How Many People Can Live on Planet Earth?

The End of God? A Horizon Guide to Science and Religion

What Makes Us Clever? A Horizon Guide to Intelligence

Japan Earthquake: A Horizon Special

The Space Shuttle: A Horizon Guide

Carrot or Stick? A Horizon Guide to Raising Kids

Extinct: A Horizon Guide to Dinosaurs

Woof! A Horizon Guide to Dogs

The Hunt for AI

Stuff: A Horizon Guide to Materials

The Final Frontier: A Horizon Guide to the Universe

Mend Me: A Horizon Guide to Transplants

Tomorrow's World: A Horizon Special

What's Killing Our Bees? A Horizon Special

Comet of the Century: A Horizon Special

The £10 Million Challenge

The Transit of Venus: A Horizon Special

The Horizon Guide to AI

Impact! A Horizon Guide to Plane Crashes

Strangeness Minus Three

The Crab Nebula

The Wizard Who Spat on the Floor

The Sunspot Mystery

The Message in the Rocks

Now the Chips Are Down

Uranium Goes Critical

Encounter with Jupiter

Beyond the Milky Way

The Dead Sea Lives

Behind the Horoscope

The Mondragon Experiment

Anatomy of a Volcano

Spend and Prosper

Gentlemen, Lift Your Skirts

Did Darwin Get It Wrong?

Resolution on Saturn - The Rings

Death of the Dinosaurs

The Pleasure of Finding Things Out

Painting by Numbers

The Secret of the Snake

Whatever Happened to the Energy Crisis?

The Miracle of Life

The Case of the UFOs

The Mysterious Mr. Tesla

The Geneva Event

Better Mind the Computer

Professor Hawking's Universe

A Child's Guide to Languages

The Earthquake Connection

Valley of the Inca

Reflections on a River

A Mathematical Mystery Tour

Colourful Notions

Mystery of the Left Hand

What Einstein Never Knew

How to Film the Impossible

The Goddess of the Earth

The Wrong Stuff

The Mould, the Myth and the Microbe

The Children of Eve

In the Wake of HMS Sheffield

Nice Guys Finish First

Uranus Encounter

Who Built Stonehenge?

The Blind Watchmaker

Riding the Stack

Bruno Bettelheim: The Man Who Cared for Children

Bruno Bettelheim: A Sense of Surviving

Can AIDS Be Stopped?

Police Stress: The John Wayne Syndrome

To Engineer Is Human

The Magma Chamber

The Anthropic Principle

Aircrash: The Burning Issue

The Transpanted Brain

Death of a Star

Playing With Madness

The Canal in the Jungle

Death of the Working Classes

The Greenhouse Effect

Easter Islands - The Secret

Easter Islands - The Story

Traces of Murder

A Newsday Revolution

Superconductor - The Race for the Prize

The Quest for Tannu Tuva

The Book of Man

Perils of the Deep

Wasting the Alps

Clive Sinclair: The Anatomy of an Inventor

From Earth to Miranda

Encounter With Neptune

The Sharpest Shot of the Universe

The Company of Ants and Bees

AIDS: A Quest for a Cure

Smokers Can Harm Your Health

Small Problems with the Mirror

The Curse of Karash

Measuring the Roof of the World

The First Americans

Colonising Cyberspace

Emerging Viruses

Of Big Bangs, Stick Men and Galactic Holes

Molecules With Sunglasses

In Search of the Noble Savage

Malaria: Battle of the Merozoites

An Expensive Theology

The Strange Life and Death of Dr. Turing

Hot Jam in the Doughnut

The Man Who Moved the Mountains

Awakening the Frozen Addicts

TB - The Forgotten Plague

No Ordinary Genius (1)

Suggers, Fruggers and Data-Muggers

The Pyramid Builders

Here Be Monsters

Iceman (Update)

Resurrecting the Dead Sea Scrolls

Dante Goes to Hell

Ghosts in the Dinosaur Graveyard

The New Alchemists

Allergic to the 20th Century

Wot U Looking At?

The Electronic Frontier

Life is Impossible

Small Arms, Soft Targets

The Man Who Made Up His Mind

Death Wish - The Untold Story

Too Close to the Sun

Sir Walter's Journey

Against The Clock

The Blueprints of Genocide

Whispers of Creation

Close Encounters

Orange Sherbet Kisses

Bones of Contention

Farewell Fantastic Venus

Foetal Attraction

Hunt for the Doomsday Asteroid (Update)

A Code In The Nose

AIDS: Behind Closed Doors

The Runaway Mountain

The Butchers of Boxgrove

Fermat's Last Theorem

A Miracle for Cancer ?

Masters of the Ionosphere

Assault on the Male (revisited)

The Planet Hunters

Inside Chernobyl's Sarcophagus (Update)

Fallout from Chernobyl

TV is Dead, Long Live TV

Genius of the Jet

Smallpox on Death Row

Silent Children, New Language

Turned On by Danger

Crater of Death

The Virus that Cures

The Man Who Lost his Body

Dawn of the Clone Age

Hopeful Monsters

The Curse of Vesuvius

The Gulf War Jigsaw

Sexual Chemistry

The Life and Times of Life and Time

Thalidomide: A Necessary Evil

From Here to Infinity

New Star in Orbit

New Asteroid Danger

Wings of Angels

Mistaken Identity

Volcanoes of the Deep

Anatomy of an Avalanche

The Midas Formula

The Lost City of Nasca

Miracle In Orbit

Complete Obsession - Body Dysmorphia

Mega-tsunami: Wave of Destruction

Conjoined Twins

The Lost World of Lake Vostok

Vanished: The Plane that Disappeared

The Secret Treasures of Zeugma

Valley of Life or Death

Extreme Dinosaurs

Supermassive Black Holes

The Boy who was Turned into a Girl

Atlantis Reborn Again

The Mystery of the Miami Circle

The Missing Link

Ecstasy and Agony

Taming the Problem Child

The Mystery of the Persian Mummy

The Ape that Took Over the World

Cloning the First Human

Helike - The Real Atlantis

The Lost Pyramids of Caral

Death of the Iceman

Parallel Universes

The Dinosaur that Fooled the World

The Fall of the World Trade Center

Archimedes' Secret

The Mystery of the Jurassic

Stone Age Columbus

Homeopathy: The Test

The Day the Earth Nearly Died

The Secret of El Dorado

The Mystery Of Easter Island

Living Nightmare

Averting Armageddon

Sexual Chemistry (Update)

The Day We Learned To Think

Trial and Error

Earthquake Storms

Life On Mars (Update)

The Secret Life Of Caves

God On The Brain

SARS: The True Story

Last Flight of the Columbia

The Hunt for an AIDS Vaccine

Percy Pilcher's Flying Machine

The Demonic Ape

The Moscow Theatre Siege

The Atkins Diet

Secrets of the Star Disc

The Dark Secret of Hendrik Schön

Thalidomide - A Second Chance?

T-Rex - Warrior or Wimp?

Project Poltergeist

The Truth of Troy

The Truth About Vitamins

King Solomon's Tablet of Stone

Derek Tastes of Earwax

What Really Killed the Dinosaurs?

Making Millions the Easy Way

Saturn - Lord of the Rings

The Hunt for the Supertwister

Dr Money and the Boy with No Penis

Einstein's Unfinished Symphony

Einstein's Equation of Life and Death

Living with ADHD

An Experiment to Save the World

Who's Afraid of Designer Babies?

The Lost Civilisation of Peru

The Next Megaquake

Does the MMR Jab Cause Autism?

Malaria: Defeating the Curse

Tsunami: Naming the Dead

The Hawking Paradox

The Mystery of the Human Hobbit

The Doctor Who Makes People Walk Again?

Can Fish Make My Child Smart?

Madagascar - A Treetop Odyssey

Titan. A Place Like Home?

The 7/7 Bombers: A Psychological Investigation

The Ghost in Your Genes

Waiting for a Heartbeat

A War on Science

The Lost City of New Orleans

Most of Our Universe Is Missing

Winning Gold in 2012

The Woman Who Thinks Like a Cow

The Genius Sperm Bank

Bye Bye Planet Pluto

We Love Cigarettes

Nuclear Nightmares

Tutankhamun's Fireball

Survivors Guide to Plane Crashes

Chimps are People Too

The Worlds First Face Transplant

The Great Robot Race

We are the Aliens

My Pet Dinosaur

The Elephant's Guide to Sex

Prof Regan's Beauty Parlour

Battle of the Brains

Skyscraper Fire Fighters

The Six Billion Dollar Experiment

How to Commit the Perfect Murder

How to Kill a Human Being

Total Isolation

What on Earth is Wrong With Gravity?

Is Alcohol Worse than Ecstasy?

How to Make Better Decisions

How to Live to be 101

Prof. Regan's Supermarket Secrets

Are we Alone in the Universe?

How Much is Your Dead Body Worth?

How Does Your Memory Work?

The President's Guide to Science

How Mad Are You? (1 of 2)

How Mad Are You? (2 of 2)

Jimmy's GM Food Fight

Do You Know What Time It Is?

Where's My Robot?

Why Are Thin People Not Fat?

Cannabis: The Evil Weed?

Why Do We Dream?

The Secret Life of Your Bodyclock

What's the Problem with Nudity?

How to Survive a Disaster

Why Can't We Predict Earthquakes?

Alan and Marcus Go Forth and Multiply

Do I Drink Too Much?

Who's Afraid of a Big Black Hole?

Why Do We Talk?

How Long is a Piece of String?

The Secret Life of the Dog

Why Do Viruses Kill?

To Infinity and Beyond

What Makes a Genius?

Did Cooking Make Us Human?

Is Everything We Know About the Universe Wrong?

Back from the Dead

The Death of the Oceans?

What Happened Before the Big Bang?

Is Seeing Believing?

Miracle Cure? A Decade of the Human Genome

Asteroids - The Good, the Bad and the Ugly

Deepwater Disaster - The Untold Story

What Is One Degree?

What Is Reality?

Science Under Attack

The Secret World of Pain

Surviving a Car Crash

How to Mend a Broken Heart

Are We Still Evolving?

Predators in Your Backyard

Do You See What I See?

The Nine Months That Made You

Are You Good or Evil?

Fukushima: Is Nuclear Power Safe?

The Truth About Exercise

Solar Storms: The Threat to Planet Earth

Out of Control?

Global Weirding

The Truth about Fat

Defeating Cancer

The Truth About Looking Young

Mission to Mars

Eat, Fast and Live Longer

How Big Is the Universe?

How Small Is the Universe?

Defeating the Superbugs

The Creative Brain: How Insight Works

How to Avoid Mistakes in Surgery

The Truth about Taste

The Age of Big Data

The Secret Life of the Cat

Little Cat Diaries

Fracking: The New Energy Rush

Swallowed by a Black Hole

What Makes us Human?

The Truth About Personality

Defeating the Hackers

Dinosaurs: The Hunt for Life

Swallowed by a Sink Hole

Man on Mars - Mission to the Red Planet

The Power of the Placebo

How You Really Make Decisions

Living with Autism

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