Horizon S1E1

S1E1

The World of Buckminster Fuller

Ep 1 · 1964-02-04

S1E2

Pesticides and Posterity

Ep 2 · 1964-05-30

S1E3

A Candle to Nature

Ep 3 · 1964-06-27

S1E4

Strangeness Minus Three

Ep 4 · 1964-07-25

S1E5

The Air of Science

Ep 5 · 1964-08-22

S1E6

The Knowledge Explosion

Ep 6 · 1964-09-21

S1E7

The Amateur Scientist

Ep 7 · 1964-10-19

S1E8

Tots and Quods and Woodgeries

Ep 8 · 1964-11-16

S1E9

Science, Toys and Magic

Ep 9 · 1964-12-14

S2E1

Learning from Machines

Ep 1 · 1965-01-06

S2E2

The Technique of Change

Ep 2 · 1965-01-20

S2E3

Star Gazers

Ep 3 · 1965-02-03

S2E4

Science and Art

Ep 4 · 1965-02-17

S2E5

The Great Computer Scandal / H-Bomb Detectors

Ep 5 · 1965-03-03

S2E6

Forbidden Events / I am a Madman

Ep 6 · 1965-03-17

S2E7

Restless Genius / Faster, Farther, Higher

Ep 7 · 1965-03-31

S2E8

The Other Side of the Pill

Ep 8 · 1965-04-14

S2E9

The Big Smoke / The Model Makers

Ep 9 · 1965-05-12

S2E10

The Long Slide / Men with Gills

Ep 10 · 1965-05-26

S2E11

Men and Sharks / Sir Henry Dale, OM, FRS

Ep 11 · 1965-06-09

S2E12

The Brain Gain / The Sudden Night / Learning to Speak

Ep 12 · 1965-06-23

S2E13

Dr. Joseph Needham / Mariner IV

Ep 13 · 1965-07-14

S2E14

Science Fiction : Science Fact? / Alone and Unarmed

Ep 14 · 1965-07-28

S2E15

Certain of Uncertainty / State of Nature

Ep 15 · 1965-08-11

S2E16

Time Stood Still / Weighty Matters

Ep 16 · 1965-08-25

S2E17

Fuel for the Future / Collector's Piece

Ep 17 · 1965-09-08

S2E18

Let Newton Be

Ep 18 · 1965-09-22

S2E19

Special Senses / Toil, Sweat & Tears

Ep 19 · 1965-10-10

S2E20

An Affair of the Heart

Ep 20 · 1965-10-24

S2E21

10,000 Tombs

Ep 21 · 1965-11-07

S2E22

Albert Szent-Györgyi M.D., Ph.D., D.h.c.

Ep 22 · 1965-11-21

S2E23

The Big Dishes / The Living Stream

Ep 23 · 1965-12-05

S2E24

Boys on Bubbles / Problems and Puzzles

Ep 24 · 1966-09-25

S3E1

Windows of the Soul / Elixir of Youth

Ep 1 · 1966-01-02

S3E2

The Troubled Mind / Triple-A. S.

Ep 2 · 1966-01-16

S3E3

A Man of Two Visions / The Scientist Applied

Ep 3 · 1966-01-30

S3E4

The Dolphins that Joined The Navy / A Theory of The Earth

Ep 4 · 1966-02-13

S3E5

Route 128

Ep 5 · 1966-02-27

S3E6

The Beginning of Life / Science Friction

Ep 6 · 1966-03-13

S3E7

So you want to be an Inventor? / The Severed Hand

Ep 7 · 1966-03-27

S3E8

Chance and Decay / Meteorite Mystery

Ep 8 · 1966-04-10

S3E9

Towers of Ilium / The Exploding City

Ep 9 · 1966-04-24

S3E10

Man in Space

Ep 10 · 1966-05-08

S3E11

Destination Mars / Editors in Conference"

Ep 11 · 1966-05-22

S3E12

Man meets Duck / The Picture Machines

Ep 12 · 1966-06-05

S3E13

Where must the Money Go? / Phantoms Incorporated

Ep 13 · 1966-06-19

S3E14

Genes in Action / Scientists and War

Ep 14 · 1966-07-03

S3E15

The Lonely Children

Ep 15 · 1966-07-17

S3E16

Man of Science / 'Nature' Tomorrow

Ep 16 · 1966-07-31

S3E17

M.I.T.'s ABC / The Disturbed Child

Ep 17 · 1966-09-25

S3E18

Ten Years in the Antarctic

Ep 18 · 1966-10-10

S3E19

The Athlete

Ep 19 · 1966-10-24

S3E20

From Peenemunde to the Moon

Ep 20 · 1966-11-07

S3E21

Sex-Change?

Ep 21 · 1966-11-21

S3E22

The Structure of Life

Ep 22 · 1966-12-05

S3E23

The Wages of Science

Ep 23 · 1966-12-19

S4E1

Sons of Cain

Ep 1 · 1967-01-17

S4E2

When Is a Body Dead? / How to Win Friends and Influence People

Ep 2 · 1967-01-31

S4E3

How Best to Make a Man / How Best to Make a Scientist

Ep 3 · 1967-02-14

S4E4

Dynamo - The Life of Michael Faraday

Ep 4 · 1967-02-28

S4E5

Migraine

Ep 5 · 1967-03-14

S4E6

How Safe Is Surgery?

Ep 6 · 1967-03-28

S4E7

Sleep and Dreams

Ep 7 · 1967-04-11

S4E8

The Shape of War to Come

Ep 8 · 1967-04-25

S4E9

Memory

Ep 9 · 1967-05-09

S4E10

Masters of the Desert

Ep 10 · 1967-05-23

S4E11

Cancer - The Search for the Virus

Ep 11 · 1967-06-06

S4E12

Cancer - The Smoker's Gamble

Ep 12 · 1967-06-20

S4E13

Science and the Supernatural

Ep 13 · 1967-07-04

S4E14

Hypnosis

Ep 14 · 1967-07-18

S4E15

The War of the Boffins

Ep 15 · 1967-09-12

S4E17

Aspects of Alcohol

Ep 17 · 1967-09-26

S4E18

Lords of the Sea

Ep 18 · 1967-10-10

S4E19

Will Art Last?

Ep 19 · 1967-10-24

S4E20

Air Safety: The Unknown Factor

Ep 20 · 1967-11-17

S4E21

The Life and Death of the Pine Processionary

Ep 21 · 1967-11-21

S4E22

Koestler on Creativity

Ep 22 · 1967-12-05

S4E23

The World of Ted Serios

Ep 23 · 1967-12-12

S4E24

Professor in Toyland

Ep 24 · 1967-12-24

S5E1

An Ingenious Man - Sir H. John Baker

Ep 1 · 1968-01-02

S5E2

Man's Best Friend

Ep 2 · 1968-01-30

S5E3

Once a Junkie

Ep 3 · 1968-02-13

S5E4

Towns, Traffic and Tomorrow

Ep 4 · 1968-02-27

S5E5

The Man Makers

Ep 5 · 1968-03-12

S5E6

Man in Search of Himself

Ep 6 · 1968-03-26

S5E7

Investigating Murder

Ep 7 · 1968-04-09

S5E8

The Equation of Murder

Ep 8 · 1968-05-07

S5E9

The Lindemann Enigma

Ep 9 · 1968-09-12

S5E10

From Field to Factory

Ep 10 · 1968-09-19

S5E11

Comfort on Aging

Ep 11 · 1968-09-26

S5E12

Experiments in War

Ep 12 · 1968-10-03

S5E13

Medecine in Russia

Ep 13 · 1968-10-10

S5E14

African Medicine

Ep 14 · 1968-10-17

S5E15

The Broken Bridge

Ep 15 · 1968-10-24

S5E16

Children Without Words

Ep 16 · 1968-10-31

S5E17

The Computer Revolution

Ep 17 · 1968-11-07

S5E18

Doctor's Dilemma

Ep 18 · 1968-11-14

S5E19

In the Matter of Dr. Alfred Nobel

Ep 19 · 1968-11-21

S5E20

Wheels Within Wheels

Ep 20 · 1968-11-28

S5E21

Black Man, White Science

Ep 21 · 1968-12-05

S5E22

The Hidden World

Ep 22 · 1968-12-12

S5E23

The Talgai Skull

Ep 23 · 1968-12-19

S5E24

Phantasmagoria or The Story of the Magic Lantern

Ep 24 · 1968-12-24

S6E1

Inside Every Fat Man

Ep 1 · 1969-01-02

S6E2

If Only They Could Speak

Ep 2 · 1969-01-09

S6E3

The Miraculous Wonder: The Human Eye

Ep 3 · 1969-01-16

S6E4

The Years of the Locust

Ep 4 · 1969-01-23

S6E5

The Gifted Child

Ep 5 · 1969-01-30

S6E6

The Last of the Polymaths

Ep 6 · 1969-02-06

S6E7

Music and the Mind

Ep 7 · 1969-02-13

S6E8

Report on V.D.

Ep 8 · 1969-02-20

S6E9

Extra-Sensory Perception

Ep 9 · 1969-02-27

S6E10

The Drift from Science

Ep 10 · 1969-03-06

S6E11

Powers of Persuasion

Ep 11 · 1969-03-13

S6E12

The View from Space

Ep 12 · 1969-03-20

S6E13

The Unborn Patient

Ep 13 · 1969-03-27

S6E14

The Physicist in the Kitchen

Ep 14 · 1969-04-03

S6E15

King Solomon's Garden

Ep 15 · 1969-04-10

S6E16

Muck Today, Poison Tomorrow

Ep 16 · 1969-04-24

S6E17

Shark

Ep 17 · 1969-05-01

S6E18

Technology and Self-Determination

Ep 18 · 1969-05-15

S6E19

After Apollo

Ep 19 · 1969-05-22

S6E20

Discovery

Ep 20 · 1969-05-29

S6E21

Machines and People

Ep 21 · 1969-06-05

S6E22

Science on Safari

Ep 22 · 1969-09-15

S6E23

A True Madness

Ep 23 · 1969-09-22

S6E24

Problems of Pain

Ep 24 · 1969-09-29

S6E25

Four Fast Legs and a Nose

Ep 25 · 1969-10-06

S6E26

Father of the Man

Ep 26 · 1969-10-13

S6E27

Master of the Microscope

Ep 27 · 1969-10-20

S6E28

C.E.R.N.

Ep 28 · 1969-10-27

S6E29

Snap, Crackle and Bang

Ep 29 · 1969-11-03

S6E30

Cancer Now

Ep 30 · 1969-11-10

S6E31

There's a Rhino in My Sugar

Ep 31 · 1969-11-17

S6E32

Fit to Live?

Ep 32 · 1969-11-24

S6E33

Don't Cackle, Lay Eggs

Ep 33 · 1969-12-01

S6E34

How Much Do You Drink?

Ep 34 · 1969-12-08

S6E35

A Game of War

Ep 35 · 1969-12-15

S6E36

Bread

Ep 36 · 1969-12-22

S6E37

For the Safety of Mankind

Ep 37 · 1969-12-29

S7E1

Just Another World

Ep 1 · 1970-01-05

S7E2

Henry Royce, Mechanic

Ep 2 · 1970-01-12

S7E3

A Disease of Our Time - Stress

Ep 3 · 1970-01-19

S7E4

A Disease of Our Time - Heart Attacks

Ep 4 · 1970-01-26

S7E5

Sex and Sexuality

Ep 5 · 1970-02-02

S7E6

Whose Coast?

Ep 6 · 1970-02-16

S7E7

A Much Wanted Child

Ep 7 · 1970-02-23

S7E8

The Expert Witness

Ep 8 · 1970-03-02

S7E9

After the Iron Age

Ep 9 · 1970-03-09

S7E10

Let the Therapy Fit the Crime

Ep 10 · 1970-03-16

S7E11

The World Outside

Ep 11 · 1970-03-23

S7E12

In the Beginning was the Word

Ep 12 · 1970-03-30

S7E13

The Drifting of the Continents

Ep 13 · 1970-04-13

S7E14

A Case of Priority

Ep 14 · 1970-04-20

S7E15

The Fretful Elements

Ep 15 · 1970-04-27

S7E16

One Man's Meat

Ep 16 · 1970-05-11

S7E17

Only Skin Deep

Ep 17 · 1970-07-06

S7E18

Wolves and Wolfmen

Ep 18 · 1970-07-13

S7E19

A Measure of Uncertainty

Ep 19 · 1970-08-10

S7E20

The Manhunters

Ep 20 · 1970-08-17

S7E21

Don't Get Sick in America

Ep 21 · 1970-08-24

S7E22

Crown of Thorns

Ep 22 · 1970-08-31

S7E23

Noah's Ark in Kensington

Ep 23 · 1970-09-07

S7E24

Virus

Ep 24 · 1970-09-14

S7E25

Water, Water

Ep 25 · 1970-09-21

S7E26

All Creatures Great and Small

Ep 26 · 1970-09-28

S7E27

A Child for a Lifetime

Ep 27 · 1970-10-05

S7E28

Something for Our Children

Ep 28 · 1970-10-12

S7E29

Million Ton Tanker

Ep 29 · 1970-11-02

S7E30

The Insect War

Ep 30 · 1970-11-09

S7E31

The Savage Mind

Ep 31 · 1970-11-16

S7E32

Tanks

Ep 32 · 1970-11-23

S7E33

Mind the Machine

Ep 33 · 1970-11-30

S7E34

Square Pegs

Ep 34 · 1970-12-07

S7E35

Earthquakes, The City that Waits to Die

Ep 35 · 1970-12-14

S7E36

The Man who Talks to Frogs

Ep 36 · 1970-12-21

S7E37

The Gargantuan Triumph of Science

Ep 37 · 1970-12-28

S8E1

Wildlife - The Last Great Battle

Ep 1 · 1971-01-04

S8E2

Great Ormond Street

Ep 2 · 1971-01-18

S8E3

A Bulldozer Through Heaven

Ep 3 · 1971-01-25

S8E4

Rumors of War

Ep 4 · 1971-02-01

S8E5

I'm Dependent - You're Addicted (I)

Ep 5 · 1971-02-15

S8E6

Kuru - To Tremble with Fear

Ep 6 · 1971-02-22

S8E7

Due to a Lack of Interest, Tomorrow Has Been Canceled

Ep 7 · 1971-03-08

S8E8

What Kind of Doctor?

Ep 8 · 1971-03-15

S8E9

A Nice Sort of Accident to Have

Ep 9 · 1971-03-22

S8E10

The Wood

Ep 10 · 1971-04-05

S8E11

The Measure of Man

Ep 11 · 1971-04-12

S8E12

Three Score Years and Then?

Ep 12 · 1971-04-26

S8E13

Darwin's Bulldog

Ep 13 · 1971-05-03

S8E14

The Secret

Ep 14 · 1971-05-10

S8E15

What Every Girl Should Know

Ep 15 · 1971-05-17

S8E16

Tastes of Foods to Come

Ep 16 · 1971-05-24

S8E17

Looking for a Happy Landing

Ep 17 · 1971-05-31

S8E18

A Case of Depression

Ep 18 · 1971-06-07

S8E19

The Total War Machine

Ep 19 · 1971-06-14

S8E20

The Dinosaur Hunters

Ep 20 · 1971-06-21

S8E21

Your Country Needs You?

Ep 21 · 1971-09-27

S8E22

Rheumatism

Ep 22 · 1971-10-04

S8E23

If at First You Don't Succeed... You Don't Succeed

Ep 23 · 1971-10-11

S8E24

One Liverpool or Two?

Ep 24 · 1971-10-18

S8E25

Rutherford / The Cavendish Today

Ep 25 · 1971-10-25

S8E26

The Fierce People

Ep 26 · 1971-11-01

S8E27

The Men Who Painted Caves

Ep 27 · 1971-11-15

S8E28

The Crab Nebula

Ep 28 · 1971-11-22

S8E29

Can Venice Survive?

Ep 29 · 1971-11-29

S8E30

Willingly to School?

Ep 30 · 1971-12-06

S8E31

The Periscope War

Ep 31 · 1971-12-20

S8E32

Patently Absurd

Ep 32 · 1971-12-27

S9E1

The Missing Link

Ep 1 · 1972-01-03

S9E2

Navajo - The Last Red Indians

Ep 2 · 1972-01-10

S9E3

How Much Do You Smell?

Ep 3 · 1972-01-17

S9E4

The Parasite of Paradise

Ep 4 · 1972-01-31

S9E5

The Day it Rained Periwinkles

Ep 5 · 1972-02-07

S9E6

Are You Doing This for Me Doctor, or Am I Doing It for You?

Ep 6 · 1972-02-14

S9E7

How They Sold Doomsday

Ep 7 · 1972-02-21

S9E8

For Love or Money?

Ep 8 · 1972-02-28

S9E9

Whales, Dolphins and Men

Ep 9 · 1972-03-06

S9E10

What Is Race?

Ep 10 · 1972-03-13

S9E11

The Man-Made Lakes in Africa

Ep 11 · 1972-03-20

S9E12

Survival in the Sahara

Ep 12 · 1972-03-27

S9E13

Mind Over Body

Ep 13 · 1972-04-10

S9E14

Out of Volcanoes

Ep 14 · 1972-04-17

S9E15

The Wizard Who Spat on the Floor

Ep 15 · 1972-05-01

S9E16

Rail Crash

Ep 16 · 1972-05-08

S9E17

Do You Dig National Parks?

Ep 17 · 1972-05-22

S9E18

Sorry I Opened My Mouth

Ep 18 · 1972-06-12

S9E19

The Way We Move

Ep 19 · 1972-07-03

S9E20

The Life that Lives on Man

Ep 20 · 1972-07-10

S9E21

Sex Can Be a Problem

Ep 21 · 1972-07-24

S9E22

The Surgery of Violence

Ep 22 · 1972-07-31

S9E23

Hospital, 1922

Ep 23 · 1972-10-12

S9E24

When Polar Bears Swam in the Thames

Ep 24 · 1972-10-19

S9E25

The Making of the English Landscape

Ep 25 · 1972-10-26

S9E26

Shadows of Bliss

Ep 26 · 1972-11-02

S9E27

The Billion-Dollar Marsh

Ep 27 · 1972-11-09

S9E28

Do You Sincerely Want a Long Life?

Ep 28 · 1972-11-16

S9E29

The Making of a Natural History Film

Ep 29 · 1972-11-23

S9E30

Fire

Ep 30 · 1972-11-30

S9E31

Alaskan Pipe-Dream

Ep 31 · 1972-12-07

S9E32

Their Life in Your Hands

Ep 32 · 1972-12-21

S9E33

Navigating Europe

Ep 33 · 1972-12-28

S10E1

Epidemic

Ep 1 · 1973-01-04

S10E2

Worlds in Collision

Ep 2 · 1973-01-11

S10E3

The Military Necessity

Ep 3 · 1973-01-18

S10E4

The Curtain of Silence

Ep 4 · 1973-01-25

S10E5

Crime Lab

Ep 5 · 1973-02-01

S10E6

When the Breeding Has to Stop

Ep 6 · 1973-02-08

S10E7

Science Is Dead, Long Live Science

Ep 7 · 1973-02-15

S10E8

...And Where Will the Children Play?

Ep 8 · 1973-03-01

S10E9

Acupuncture: A Chinese Puzzle

Ep 9 · 1973-03-08

S10E10

What Time Is Your Body?

Ep 10 · 1973-03-22

S10E11

Survival of the Weakest

Ep 11 · 1973-04-05

S10E12

Red Sea Coral and the Crown of Thorns

Ep 12 · 1973-04-12

S10E13

Lumbered... with Back-Ache!

Ep 13 · 1973-04-26

S10E14

Airport

Ep 14 · 1973-05-03

S10E15

Do You Remember the Memory Man?

Ep 15 · 1973-05-17

S10E16

What a Waste!

Ep 16 · 1973-05-24

S10E17

The Laws of the Land

Ep 17 · 1973-06-07

S10E18

Do We Really Need the Railways?

Ep 18 · 1973-06-14

S10E19

The Telly of Tomorrow?

Ep 19 · 1973-06-21

S10E20

How Does It Hurt?

Ep 20 · 1973-07-05

S10E21

A Scientist Looks at Religion

Ep 21 · 1973-08-09

S10E22

In Search of Konrad Lorenz

Ep 22 · 1973-09-24

S10E23

Stretch Up Tall

Ep 23 · 1973-10-01

S10E24

Gilding the Lily

Ep 24 · 1973-10-08

S10E25

The Black Holes of Gravity

Ep 25 · 1973-10-15

S10E26

What's so Big About Us?

Ep 26 · 1973-10-22

S10E27

The Steadfast Tin Soldier

Ep 27 · 1973-10-29

S10E28

Carry on Smoking

Ep 28 · 1973-11-05

S10E29

Air Crash Detective

Ep 29 · 1973-11-26

S10E30

An Element of Mystery

Ep 30 · 1973-12-03

S10E31

Digging Up the Future

Ep 31 · 1973-12-17

S10E32

Kula, a Reason for Giving

Ep 32 · 1973-12-24

S11E1

A Matter of Self-Defense

Ep 1 · 1974-01-07

S11E2

Bird Brain - The Mystery of Bird Navigation

Ep 2 · 1974-01-14

S11E3

Never Too Late to Learn

Ep 3 · 1974-01-21

S11E4

The Great Fish Hunt

Ep 4 · 1974-01-28

S11E5

Pedal Power

Ep 5 · 1974-02-04

S11E6

The Writing on the Wall

Ep 6 · 1974-02-11

S11E7

Where Did the Colorado Go?

Ep 7 · 1974-02-18

S11E8

The Future Goes Boom

Ep 8 · 1974-03-04

S11E9

Fusion: The Energy Promise

Ep 9 · 1974-03-11

S11E10

The First Ten Years

Ep 10 · 1974-04-22

S11E11

This Yankee Dodge Beats Mesmerism Hollow

Ep 11 · 1974-04-29

S11E12

The Hunting of the Quark

Ep 12 · 1974-05-06

S11E13

A Noah's Ark for Europe

Ep 13 · 1974-05-13

S11E14

Bridges: When It Comes to the Crunch

Ep 14 · 1974-06-03

S11E15

Search for Life

Ep 15 · 1974-06-10

S11E16

The Secrets of Sleep

Ep 16 · 1974-06-10

S11E17

Who Needs Skills?

Ep 17 · 1974-06-24

S11E18

Hills of Promise

Ep 18 · 1974-07-01

S11E19

The Race for the Double Helix

Ep 19 · 1974-07-08

S11E20

The Immigrant Doctors

Ep 20 · 1974-07-15

S11E21

Mines, Minerals and Men

Ep 21 · 1974-07-22

S11E22

What Price Steak?

Ep 22 · 1974-07-29

S11E23

Listen and Be Loyal

Ep 23 · 1974-08-05

S11E24

Adam or Eve?

Ep 24 · 1974-08-12

S11E25

An Unholy Scramble

Ep 25 · 1974-09-02

S11E26

Do as You Are Told

Ep 26 · 1974-10-28

S11E27

The First Signs of Washoe

Ep 27 · 1974-11-04

S11E28

The Other Way

Ep 28 · 1974-11-11

S11E29

The Greatest Advance Since the Wheel?

Ep 29 · 1974-11-25

S11E30

Joey

Ep 30 · 1974-12-09

S11E31

The Neglected Harvest

Ep 31 · 1974-12-16

S11E32

How on Earth Did They Do That?

Ep 32 · 1974-12-23

S11E33

The Lysenko Affair

Ep 33 · 1974-12-30

S12E1

The Killer Dust

Ep 1 · 1975-01-20

S12E2

A Time to Be Born

Ep 2 · 1975-01-27

S12E3

The Unsafe Sea

Ep 3 · 1975-02-10

S12E4

The Change of Life

Ep 4 · 1975-02-17

S12E5

Project Fido

Ep 5 · 1975-02-24

S12E6

The Planets

Ep 6 · 1975-03-10

S12E7

The Long, Long Walkabout

Ep 7 · 1975-04-07

S12E8

The Overworked Miracle

Ep 8 · 1975-04-14

S12E9

Not the Cheapest, But the Best

Ep 9 · 1975-04-21

S12E10

A Spoonful of Roughage

Ep 10 · 1975-04-28

S12E11

Brain Poison

Ep 11 · 1975-05-05

S12E12

The Bulldog's Last Bark?

Ep 12 · 1975-05-12

S12E13

Benjamin

Ep 13 · 1975-05-19

S12E14

The McMaster Experiment

Ep 14 · 1975-06-02

S12E15

The Glazed Outlook

Ep 15 · 1975-06-09

S12E16

The Three Chord Trick

Ep 16 · 1975-06-16

S12E17

The Cleanest Place in the World

Ep 17 · 1975-06-23

S12E18

Strange Sleep

Ep 18 · 1975-06-30

S12E19

The Greatest Advance Since the Wheel?

Ep 19 · 1975-07-07

S12E20

How Do You Read?

Ep 20 · 1975-07-14

S12E21

The Sickly Sea

Ep 21 · 1975-07-21

S12E22

Happy Catastrophe

Ep 22 · 1975-07-28

S12E23

To Die, to Live - The Survivors of Hiroshima

Ep 23 · 1975-08-04

S12E24

Cannabis

Ep 24 · 1975-08-11

S12E25

Meditation and the Mind

Ep 25 · 1975-08-18

S12E26

The Trobriand Experiment

Ep 26 · 1975-12-29

S13E1

The Transplant Experience

Ep 1 · 1976-01-05

S13E2

Intimate Strangers

Ep 2 · 1976-01-12

S13E3

A Fair Share of What Little We Have

Ep 3 · 1976-01-19

S13E4

The Incredible Machine

Ep 4 · 1976-01-26

S13E5

King Coal Revived

Ep 5 · 1976-02-02

S13E6

A Question of Trust

Ep 6 · 1976-02-09

S13E7

The Case of the Bermuda Triangle

Ep 7 · 1976-02-16

S13E8

The Lords of the Labyrinth

Ep 8 · 1976-02-23

S13E9

Inside the Shark

Ep 9 · 1976-03-01

S13E10

The Chemical Dream

Ep 10 · 1976-03-08

S13E11

The Edelin Affair

Ep 11 · 1976-03-15

S13E12

The World of Margaret Mead

Ep 12 · 1976-03-22

S13E13

The Pathway from Madness

Ep 13 · 1976-03-29

S13E14

Geronimo's Children

Ep 14 · 1976-04-05

S13E15

The Vision of the Blind

Ep 15 · 1976-04-12

S13E16

A Lesson for Teachers

Ep 16 · 1976-04-26

S13E17

Why Did Stuart Die?

Ep 17 · 1976-05-03

S13E18

The Children of Peru

Ep 18 · 1976-05-17

S13E19

Dying

Ep 19 · 1976-05-24

S13E20

A Home Like Ours... A Story of Four Children

Ep 20 · 1976-06-07

S13E21

What's Wrong with the Sun?

Ep 21 · 1976-06-14

S13E22

The Bull's Eye War

Ep 22 · 1976-10-25

S13E23

The Hot-Blooded Dinosaurs

Ep 23 · 1976-11-01

S13E24

Billion Dollar Bubble

Ep 24 · 1976-11-08

S13E25

The Selfish Gene

Ep 25 · 1976-11-15

S13E26

A Child of Our Own

Ep 26 · 1976-11-22

S13E27

Secrets of a Coral Island

Ep 27 · 1976-11-29

S13E28

The Long Valley

Ep 28 · 1976-12-06

S13E29

Half-Way to 1984

Ep 29 · 1976-12-13

S13E30

The Mystery of King Arthur and His Round Table

Ep 30 · 1976-12-20

S14E1

A Smile for a Crocodile

Ep 1 · 1977-01-07

S14E2

The Pill for the People

Ep 2 · 1977-01-14

S14E3

The Ape That Stood Up

Ep 3 · 1977-01-21

S14E4

The Human Animal

Ep 4 · 1977-02-04

S14E5

The Guinea Pig and the Law

Ep 5 · 1977-02-18

S14E6

Hunters of the Seal

Ep 6 · 1977-02-25

S14E7

The Red Planet

Ep 7 · 1977-03-04

S14E8

One of Nature's Hotels

Ep 8 · 1977-03-11

S14E9

Dawn of the Solar Age

Ep 9 · 1977-03-18

S14E10

Genetic Roulette

Ep 10 · 1977-04-01

S14E11

The Amazing Doctor Newton

Ep 11 · 1977-07-15

S14E12

The Trouble with Medicine

Ep 12 · 1977-07-22

S14E13

Silent Speech

Ep 13 · 1977-07-29

S14E14

The Green Machine

Ep 14 · 1977-08-05

S14E15

The River That Came Clean

Ep 15 · 1977-09-02

S14E16

Blueprints in the Bloodstream

Ep 16 · 1977-09-09

S14E17

40 Years of Murder

Ep 17 · 1977-09-16

S14E18

The Cry for Help

Ep 18 · 1977-09-30

S14E19

The Sunspot Mystery

Ep 19 · 1977-10-07

S14E20

The Rhine's Revenge

Ep 20 · 1977-10-21

S14E21

Icarus' Children

Ep 21 · 1977-12-02

S14E22

The Healing Nightmare

Ep 22 · 1977-12-09

S14E23

The Great Wine Revolution

Ep 23 · 1977-12-23

S15E1

Living Machines

Ep 1 · 1978-01-06

S15E2

A Land for All Reasons

Ep 2 · 1978-01-20

S15E3

I Don't Want to Be a Burden

Ep 3 · 1978-01-27

S15E4

Zero G

Ep 4 · 1978-02-03

S15E5

The Message in the Rocks

Ep 5 · 1978-02-17

S15E6

The Eddystone Lights

Ep 6 · 1978-02-24

S15E7

Light of the 21st Century

Ep 7 · 1978-03-10

S15E8

The New Breadline

Ep 8 · 1978-03-24

S15E9

Now the Chips Are Down

Ep 9 · 1978-03-31

S15E10

Explosions in the Mind

Ep 10 · 1978-07-14

S15E11

One Small Step

Ep 11 · 1978-07-21

S15E12

The Tsetse Trap

Ep 12 · 1978-07-28

S15E13

A Whisper From Space

Ep 13 · 1978-08-04

S15E14

Prisoners of Hope

Ep 14 · 1978-08-11

S15E15

On a Different Track

Ep 15 · 1978-08-18

S15E16

Careering into Science

Ep 16 · 1978-08-25

S15E17

Cashing in on the Ocean

Ep 17 · 1978-09-01

S15E18

Bags of Life

Ep 18 · 1978-09-08

S15E19

Innocent Slaughter?

Ep 19 · 1978-09-15

S15E20

The Beersheva Experiment

Ep 20 · 1978-11-03

S15E21

Divers Do It Deeper

Ep 21 · 1978-11-10

S15E22

The Big Sleep

Ep 22 · 1978-11-17

S15E23

The Vital Spark

Ep 23 · 1978-11-24

S15E24

The Red Deer of Rhum

Ep 24 · 1978-12-29

S16E1

The Forever Fuel

Ep 1 · 1979-02-26

S16E2

In Search of Pegasus

Ep 2 · 1979-03-05

S16E3

The Keys of Paradise

Ep 3 · 1979-03-12

S16E4

Sweet Solutions

Ep 4 · 1979-03-19

S16E5

Bronze Age Blast-Off

Ep 5 · 1979-03-26

S16E6

The Real Bionic Man

Ep 6 · 1979-04-02

S16E7

A Mediterranean Prospect

Ep 7 · 1979-04-09

S16E8

Elements of Risk

Ep 8 · 1979-04-23

S16E9

Mr. Ludwig's Tropical Dreamland

Ep 9 · 1979-04-30

S16E10

Where Nothing Happens Twice

Ep 10 · 1979-05-07

S16E11

Journey Through the Human Body

Ep 11 · 1979-05-14

S16E12

The Fight to Be Male

Ep 12 · 1979-05-21

S16E13

The Robots Are Coming

Ep 13 · 1979-05-28

S16E14

Mexican Oil Dance

Ep 14 · 1979-09-24

S16E15

Tracks on the Oregon Trail

Ep 15 · 1979-10-01

S16E16

The Race to Reshape Cars

Ep 16 · 1979-10-08

S16E17

Dragnet for Diabetes

Ep 17 · 1979-10-15

S16E18

The Lost Waters of the Nile

Ep 18 · 1979-10-22

S16E19

Survival of the Fastest

Ep 19 · 1979-10-29

S16E20

A Touch of Sensitivity

Ep 20 · 1979-11-05

S16E21

A Treasury of Trees

Ep 21 · 1979-11-12

S16E22

Darkness Visible

Ep 22 · 1979-11-19

S16E23

Uranium Goes Critical

Ep 23 · 1979-12-03

S16E24

The Fat in the Fire

Ep 24 · 1979-12-10

S16E25

Decade

Ep 25 · 1979-12-17

S17E1

The Ghost Of The Amoco Cadiz

Ep 1 · 1980-01-14

S17E2

You Are Old, Father William

Ep 2 · 1980-01-21

S17E3

Cleared for Take-Off

Ep 3 · 1980-02-04

S17E4

A Sporting Chance

Ep 4 · 1980-02-11

S17E5

The Cancer Detectives of Lin Xian

Ep 5 · 1980-02-18

S17E6

The Big If...

Ep 6 · 1980-02-25

S17E7

Cash from Trash

Ep 7 · 1980-03-03

S17E8

Encounter with Jupiter

Ep 8 · 1980-03-10

S17E9

Portrait of a Poison

Ep 9 · 1980-03-17

S17E10

Magnet Earth

Ep 10 · 1980-03-24

S17E11

Goodbye Gutenberg

Ep 11 · 1980-09-01

S17E12

Invasion of the Virions

Ep 12 · 1980-09-08

S17E13

Beyond the Milky Way

Ep 13 · 1980-09-15

S17E14

Little Boxes

Ep 14 · 1980-09-22

S17E15

The Other Kenya

Ep 15 · 1980-09-29

S17E16

Moving Still

Ep 16 · 1980-10-06

S17E17

The Way Out

Ep 17 · 1980-10-13

S17E18

The Dead Sea Lives

Ep 18 · 1980-10-20

S17E19

Once in a Million Years

Ep 19 · 1980-10-27

S17E20

Smoker's Luck

Ep 20 · 1980-11-03

S17E21

Behind the Horoscope

Ep 21 · 1980-11-10

S17E22

The Mondragon Experiment

Ep 22 · 1980-11-17

S17E23

The Spike

Ep 23 · 1980-11-24

S17E24

The Slatemakers

Ep 24 · 1980-12-01

S17E25

Anatomy of a Volcano

Ep 25 · 1980-12-15

S18E1

Spend and Prosper

Ep 1 · 1981-01-05

S18E2

A Whole New Medicine

Ep 2 · 1981-01-12

S18E3

The Qualyub Project

Ep 3 · 1981-01-19

S18E4

No One Will Take Me Seriously

Ep 4 · 1981-01-26

S18E5

Living with Dying

Ep 5 · 1981-02-02

S18E6

A Is for Atom, B Is for Bomb

Ep 6 · 1981-02-09

S18E7

Who Will Deliver Your Baby?

Ep 7 · 1981-02-16

S18E8

West of Bangalore

Ep 8 · 1981-03-02

S18E9

Gentlemen, Lift Your Skirts

Ep 9 · 1981-03-09

S18E10

Hello Universe!

Ep 10 · 1981-03-16

S18E11

Voices from Silent Hands

Ep 11 · 1981-03-23

S18E12

Did Darwin Get It Wrong?

Ep 12 · 1981-03-30

S18E13

East of Bombay

Ep 13 · 1981-04-06

S18E14

Resolution on Saturn - The Rings

Ep 14 · 1981-04-11

S18E15

Resolution on Saturn - The Moons

Ep 15 · 1981-04-13

S18E16

Heads I Win, Tails You Lose

Ep 16 · 1981-09-28

S18E17

The Hunt for the Legion Killer

Ep 17 · 1981-10-05

S18E18

Breaking in Children

Ep 18 · 1981-10-12

S18E19

The Grid

Ep 19 · 1981-10-19

S18E20

Butterflies or Barley?

Ep 20 · 1981-10-26

S18E21

Science for the People

Ep 21 · 1981-11-02

S18E22

The Race to Ruin

Ep 22 · 1981-11-09

S18E23

Death of the Dinosaurs

Ep 23 · 1981-11-16

S18E24

The Pleasure of Finding Things Out

Ep 24 · 1981-11-23

S18E25

The Cornucopia

Ep 25 · 1981-11-30

S18E26

A Race Against Time

Ep 26 · 1981-12-07

S18E27

Painting by Numbers

Ep 27 · 1981-12-21

S19E1

The Secret of the Snake

Ep 1 · 1982-01-11

S19E2

Finding a Voice

Ep 2 · 1982-01-18

S19E3

The Sea Beyond the Dunes

Ep 3 · 1982-01-25

S19E4

Whatever Happened to the Energy Crisis?

Ep 4 · 1982-02-01

S19E5

Notes of a Biology Watcher

Ep 5 · 1982-02-08

S19E6

The Cline Affair

Ep 6 · 1982-02-15

S19E7

The Million Murdering Death

Ep 7 · 1982-02-22

S19E8

Shots in the Dark

Ep 8 · 1982-03-01

S19E9

The Victims

Ep 9 · 1982-03-08

S19E10

The Future - Made in Japan?

Ep 10 · 1982-03-15

S19E11

The Private Face of Medicine

Ep 11 · 1982-03-22

S19E12

The Fatal Bargain

Ep 12 · 1982-04-05

S19E13

The Miracle of Life

Ep 13 · 1982-10-11

S19E14

The Case of the UFOs

Ep 14 · 1982-10-18

S19E15

A Killing Rain

Ep 15 · 1982-10-25

S19E16

Intimate Relations

Ep 16 · 1982-11-01

S19E17

The Scientist and the Baby

Ep 17 · 1982-11-08

S19E18

Brave New Babies?

Ep 18 · 1982-11-15

S19E19

The Professor of Surgery

Ep 19 · 1982-11-29

S19E20

The Chopper

Ep 20 · 1982-12-06

S19E21

The State of the Planet

Ep 21 · 1982-12-13

S19E22

The Mysterious Mr. Tesla

Ep 22 · 1982-12-20

S20E1

Sizewell Under Pressure

Ep 1 · 1983-01-10

S20E2

The Tropical Time Machine

Ep 2 · 1983-01-17

S20E3

The Geneva Event

Ep 3 · 1983-01-24

S20E4

How Much Can You Drink?

Ep 4 · 1983-02-07

S20E5

Talking Turtle

Ep 5 · 1983-02-14

S20E6

What Little Girls are Made of

Ep 6 · 1983-02-21

S20E7

British Science - On the Wrong Track?

Ep 7 · 1983-02-28

S20E8

The Great Plains Massacre

Ep 8 · 1983-03-07

S20E9

Hard Rock

Ep 9 · 1983-03-14

S20E10

Better Mind the Computer

Ep 10 · 1983-03-21

S20E11

Madness on Trial

Ep 11 · 1983-04-11

S20E12

Sixty Minutes to Meltdown

Ep 12 · 1983-04-18

S20E13

Killer in the Village

Ep 13 · 1983-04-25

S20E14

The Case of ESP

Ep 14 · 1983-09-26

S20E15

The Artificial Heart

Ep 15 · 1983-10-03

S20E16

Dr. Priestley and the Breath of Life

Ep 16 · 1983-10-10

S20E17

Professor Hawking's Universe

Ep 17 · 1983-10-17

S20E18

The Cruel Choice

Ep 18 · 1983-10-24

S20E19

A Child's Guide to Languages

Ep 19 · 1983-10-31

S20E20

China's Child

Ep 20 · 1983-11-07

S20E21

The Earthquake Connection

Ep 21 · 1983-11-14

S20E22

Prisoner or Patient?

Ep 22 · 1983-11-28

S20E23

Cancer: The Pattern in the Genes

Ep 23 · 1983-12-05

S20E24

The Academy

Ep 24 · 1983-12-12

S21E1

The Intelligence Man

Ep 1 · 1984-01-09

S21E2

Microworld!

Ep 2 · 1984-01-16

S21E3

A New Green Revolution?

Ep 3 · 1984-01-23

S21E4

Spies in the Wires

Ep 4 · 1984-01-30

S21E5

Valley of the Inca

Ep 5 · 1984-02-13

S21E6

The Conquest of Parasites

Ep 6 · 1984-02-27

S21E7

Reflections on a River

Ep 7 · 1984-03-05

S21E8

A Normal Face

Ep 8 · 1984-03-12

S21E9

Prisoners of Incest

Ep 9 · 1984-03-19

S21E10

Signs of the Apes, Songs of the Whales

Ep 10 · 1984-03-26

S21E11

Professor Bonner and the Slime Moulds

Ep 11 · 1984-04-09

S21E12

The Mind of a Murderer: The Case of the Hillside Strangler

Ep 12 · 1984-04-16

S21E13

The Mind of a Murderer: The Mask of Madness

Ep 13 · 1984-04-23

S21E14

A Cruel Inheritance

Ep 14 · 1984-04-30

S21E15

The Malvern Link

Ep 15 · 1984-05-07

S21E16

Contented Cows and Other Animals

Ep 16 · 1984-11-05

S21E17

Picking Winners

Ep 17 · 1984-11-12

S21E18

The Brain Puzzle

Ep 18 · 1984-11-19

S21E19

Global Village

Ep 19 · 1984-11-26

S21E20

Ivan

Ep 20 · 1984-12-03

S21E21

A Mathematical Mystery Tour

Ep 21 · 1984-12-10

S21E22

Supercharged

Ep 22 · 1984-12-17

S22E1

Colourful Notions

Ep 1 · 1985-01-07

S22E2

A World of Their Own

Ep 2 · 1985-01-14

S22E3

Decoding Danebury

Ep 3 · 1985-01-21

S22E4

A Mission to Heal

Ep 4 · 1985-01-28

S22E5

Mystery of the Left Hand

Ep 5 · 1985-02-04

S22E6

The Theatre of War

Ep 6 · 1985-02-11

S22E7

The Careful Predator

Ep 7 · 1985-02-25

S22E8

What Einstein Never Knew

Ep 8 · 1985-03-04

S22E9

Eurekaaargh!

Ep 9 · 1985-03-11

S22E10

Careering On

Ep 10 · 1985-03-18

S22E11

How to Film the Impossible

Ep 11 · 1985-03-25

S22E12

The Food Allergy War

Ep 12 · 1985-04-01

S22E13

The Goddess of the Earth

Ep 13 · 1985-04-15

S22E14

IRAS - The Supercooled Eye

Ep 14 · 1985-04-22

S22E15

A Prize Discovery

Ep 15 · 1985-04-29

S22E16

The Wrong Stuff

Ep 16 · 1985-05-13

S23E1

Are You a Racist?

Ep 1 · 1986-01-06

S23E2

Genesis

Ep 2 · 1986-01-13

S23E3

Bitter Cold

Ep 3 · 1986-01-20

S23E4

The Mould, the Myth and the Microbe

Ep 4 · 1986-01-27

S23E5

Outbreak: The Microbe Masters the Mould

Ep 5 · 1986-02-03

S23E6

Science...Fiction?

Ep 6 · 1986-02-17

S23E7

The Children of Eve

Ep 7 · 1986-02-24

S23E8

The New Face of Leprosy

Ep 8 · 1986-03-03

S23E9

Hi-Tech à la Française

Ep 9 · 1986-03-10

S23E10

In the Wake of HMS Sheffield

Ep 10 · 1986-03-17

S23E11

AIDS: A Strange and Deadly Virus

Ep 11 · 1986-03-24

S23E12

The Case of the Frozen Addict

Ep 12 · 1986-04-07

S23E13

Nice Guys Finish First

Ep 13 · 1986-04-14

S23E14

The Men Who Bottled a Cow

Ep 14 · 1986-04-21

S23E15

Twice Five Plus the Wings of a Bird

Ep 15 · 1986-04-28

S23E16

What Makes an Animal Smart?

Ep 16 · 1986-05-12

S23E17

A Handful of Sugar with a Pinch of Salt

Ep 17 · 1986-05-19

S23E18

Uranus Encounter

Ep 18 · 1986-05-26

S23E19

Who Built Stonehenge?

Ep 19 · 1986-06-09

S23E21

Battered Baby: From Generation to Generation

Ep 21 · 1986-06-16

S23E22

Battered Baby: Breaking the Chain

Ep 22 · 1986-06-23

S23E23

Doctors to Be

Ep 23 · 1986-06-30

S24E1

The Twenty-Five Hour Clock

Ep 1 · 1987-01-05

S24E2

The Search for the Disappeared

Ep 2 · 1987-01-12

S24E3

The Blind Watchmaker

Ep 3 · 1987-01-19

S24E4

Riding the Stack

Ep 4 · 1987-01-26

S24E5

Bruno Bettelheim: The Man Who Cared for Children

Ep 5 · 1987-02-02

S24E6

Bruno Bettelheim: A Sense of Surviving

Ep 6 · 1987-02-09

S24E7

Energy from Outer Space

Ep 7 · 1987-02-16

S24E8

The Return of the Osprey

Ep 8 · 1987-02-23

S24E9

Can AIDS Be Stopped?

Ep 9 · 1987-03-02

S24E10

Police Stress: The John Wayne Syndrome

Ep 10 · 1987-03-09

S24E11

To Engineer Is Human

Ep 11 · 1987-03-16

S24E12

The Magma Chamber

Ep 12 · 1987-03-23

S24E13

Broken Images

Ep 13 · 1987-03-30

S24E14

Trial Babies

Ep 14 · 1987-04-06

S24E15

After Chernobyl - Closer to Home

Ep 15 · 1987-04-13

S24E16

Making Sex Pay

Ep 16 · 1987-05-11

S24E17

The Anthropic Principle

Ep 17 · 1987-05-18

S24E19

Aircrash: The Burning Issue

Ep 19 · 1987-06-01

S24E20

The Riddle of the Joints

Ep 20 · 1987-06-08

S24E21

To Catch a Falling Star

Ep 21 · 1987-05-15

S24E22

In the Light of New Information

Ep 22 · 1987-06-22

S24E23

Janice's Choice

Ep 23 · 1987-06-29

S25E1

The Transpanted Brain

Ep 1 · 1988-01-04

S25E2

Death of a Star

Ep 2 · 1988-01-11

S25E3

Playing With Madness

Ep 3 · 1988-01-18

S25E4

The Canal in the Jungle

Ep 4 · 1988-01-25

S25E5

Death of the Working Classes

Ep 5 · 1988-02-01

S25E6

The Greenhouse Effect

Ep 6 · 1988-02-08

S25E7

Struggling for Control

Ep 7 · 1988-02-15

S25E8

Thinking

Ep 8 · 1988-02-22

S25E9

Patients on Trial

Ep 9 · 1988-02-29

S25E10

Purple Warrior - Rules of Engagement

Ep 10 · 1988-03-07

S25E11

Purple Warrior - Limited War

Ep 11 · 1988-03-14

S25E12

The Heart of Another

Ep 12 · 1988-03-28

S25E13

Easter Islands - The Secret

Ep 13 · 1988-04-11

S25E14

Easter Islands - The Story

Ep 14 · 1988-04-18

S25E15

Doctors to Be - Trial by Interview

Ep 15 · 1988-04-23

S25E16

Doctors to Be - The Knowledge

Ep 16 · 1988-04-24

S25E17

Doctors to Be - Welcome to the Real World

Ep 17 · 1988-04-25

S25E18

Cancer at Bay

Ep 18 · 1988-05-02

S25E19

Traces of Murder

Ep 19 · 1988-05-09

S25E20

The Hope of Progress

Ep 20 · 1988-05-16

S25E21

A Newsday Revolution

Ep 21 · 1988-05-23

S25E22

A Good Test?

Ep 22 · 1988-06-06

S25E23

Superconductor - The Race for the Prize

Ep 23 · 1988-06-13

S25E24

Believe Me

Ep 24 · 1988-06-27

S25E25

The Quest for Tannu Tuva

Ep 25 · 1988-07-04

S26E1

The Book of Man

Ep 1 · 1989-01-09

S26E2

The Poison that Waits

Ep 2 · 1989-01-16

S26E3

Perils of the Deep

Ep 3 · 1989-01-23

S26E4

Smart Weapons

Ep 4 · 1989-01-30

S26E5

Wasting the Alps

Ep 5 · 1989-02-06

S26E6

In the Last Resort

Ep 6 · 1989-02-13

S26E7

Gaze in Wonder

Ep 7 · 1989-02-20

S26E8

In My Lifetime?

Ep 8 · 1989-02-27

S26E9

Concerto

Ep 9 · 1989-03-06

S26E10

Black Schizophrenia

Ep 10 · 1989-03-13

S26E11

Trial in the Jungle

Ep 11 · 1989-03-20

S26E12

Who Will Make Me Better?

Ep 12 · 1989-04-03

S26E13

A Wonderful Life

Ep 13 · 1989-04-17

S26E14

Why Buildings Make You Sick

Ep 14 · 1989-04-24

S26E15

Jubilee

Ep 15 · 1989-05-08

S26E16

Crash

Ep 16 · 1989-05-15

S26E17

The New Sixth Sense

Ep 17 · 1989-05-22

S26E18

Clive Sinclair: The Anatomy of an Inventor

Ep 18 · 1989-06-12

S26E19

Newpin: A Lifetime

Ep 19 · 1989-06-19

S26E20

Time of Darkness

Ep 20 · 1989-06-26

S27E1

Oil Spill

Ep 1 · 1990-01-08

S27E2

Medicine 2000

Ep 2 · 1990-01-15

S27E3

Food Irradiation: Would You Buy It?

Ep 3 · 1990-01-22

S27E4

From Earth to Miranda

Ep 4 · 1990-01-29

S27E5

Encounter With Neptune

Ep 5 · 1990-02-05

S27E6

Guess What's Coming to Dinner?

Ep 6 · 1990-02-12

S27E7

The First 14 Days

Ep 7 · 1990-02-19

S27E8

The 10,000 Year Test

Ep 8 · 1990-03-05

S27E9

Hurricane!

Ep 9 · 1990-03-12

S27E10

The Britannic Greenhouse

Ep 10 · 1990-03-19

S27E11

Cold Fusion

Ep 11 · 1990-03-26

S27E12

The Quake of '89 - The Final Warning?

Ep 12 · 1990-04-02

S27E13

The Sharpest Shot of the Universe

Ep 13 · 1990-04-09

S27E14

The Company of Ants and Bees

Ep 14 · 1990-04-23

S27E15

The Intelligent Island

Ep 15 · 1990-04-30

S27E16

Legacy of a Volcano

Ep 16 · 1990-05-14

S27E17

Do Cows Make You Mad?

Ep 17 · 1990-05-21

S27E18

The Child Mothers

Ep 18 · 1990-06-04

S27E19

Signs of Life

Ep 19 · 1990-06-11

S27E20

AIDS: A Quest for a Cure

Ep 20 · 1990-06-25

S28E1

Sudden Death

Ep 1 · 1991-01-07

S28E2

Keen as Mustard

Ep 2 · 1991-01-14

S28E3

Smokers Can Harm Your Health

Ep 3 · 1991-01-21

S28E4

Coming In from the Cold

Ep 4 · 1991-01-28

S28E5

Small Problems with the Mirror

Ep 5 · 1991-02-04

S28E6

Two Weeks to Save the Earth

Ep 6 · 1991-02-10

S28E7

California Dreaming

Ep 7 · 1991-02-11

S28E8

The Day the Earth Melted

Ep 8 · 1991-02-25

S28E9

The Curse of Karash

Ep 9 · 1991-02-25

S28E10

Playing at Noah

Ep 10 · 1991-03-04

S28E11

Cashing in on Paradise

Ep 11 · 1991-03-11

S28E12

The Terracotta Time Machine

Ep 12 · 1991-03-18

S28E13

Measuring the Roof of the World

Ep 13 · 1991-03-25

S28E14

The First Americans

Ep 14 · 1991-04-15

S28E15

Inside Chernobyl's Sarcophagus

Ep 15 · 1991-04-22

S28E16

Colonising Cyberspace

Ep 16 · 1991-04-29

S28E17

Emerging Viruses

Ep 17 · 1991-05-13

S28E18

Camelford - A Bitter Aftertaste

Ep 18 · 1991-05-20

S28E19

Of Big Bangs, Stick Men and Galactic Holes

Ep 19 · 1991-06-03

S28E20

Food For Thought

Ep 20 · 1991-06-10

S28E21

The Long Road to the West

Ep 21 · 1991-06-17

S28E22

Half Hearted About Semi-Skimmed

Ep 22 · 1991-06-24

S28E23

T-Rex Exposed

Ep 23 · 1991-07-01

S29E1

The Shadow of Breast Cancer

Ep 1 · 1992-01-06

S29E2

Pest Wars

Ep 2 · 1992-01-13

S29E3

Molecules With Sunglasses

Ep 3 · 1992-01-20

S29E4

In Search of the Noble Savage

Ep 4 · 1992-01-27

S29E5

Malaria: Battle of the Merozoites

Ep 5 · 1992-02-03

S29E6

The Black Sun

Ep 6 · 1992-02-17

S29E7

Hitler's Bomb

Ep 7 · 1992-02-24

S29E8

An Expensive Theology

Ep 8 · 1992-03-02

S29E9

The Strange Life and Death of Dr. Turing

Ep 9 · 1992-03-09

S29E10

Hot Jam in the Doughnut

Ep 10 · 1992-03-16

S29E11

A Diet for a Lifetime

Ep 11 · 1992-03-30

S29E12

Before Babel

Ep 12 · 1992-04-06

S29E13

The Man Who Moved the Mountains

Ep 13 · 1992-04-13

S29E14

Iceman

Ep 14 · 1992-04-27

S29E15

Taking the Credit

Ep 15 · 1992-05-11

S29E16

Fast Life in the Food Chain

Ep 16 · 1992-05-18

S29E17

Dodging Doomsday

Ep 17 · 1992-06-01

S29E18

A Question of Sport...

Ep 18 · 1992-06-08

S29E19

Genes R Us

Ep 19 · 1992-06-15

S30E1

Awakening the Frozen Addicts

Ep 1 · 1993-01-04

S30E2

Cheating Time

Ep 2 · 1993-01-11

S30E3

TB - The Forgotten Plague

Ep 3 · 1993-01-18

S30E4

No Ordinary Genius (1)

Ep 4 · 1993-01-25

S30E5

No Ordinary Genius (2)

Ep 5 · 1993-02-01

S30E6

Mars Alive

Ep 6 · 1993-02-08

S30E7

Suggers, Fruggers and Data-Muggers

Ep 7 · 1993-02-15

S30E8

The Pyramid Builders

Ep 8 · 1993-02-22

S30E9

Here Be Monsters

Ep 9 · 1993-03-01

S30E10

Iceman (Update)

Ep 10 · 1993-03-08

S30E11

Whatever Happened to Star Wars

Ep 11 · 1993-03-15

S30E12

Resurrecting the Dead Sea Scrolls

Ep 12 · 1993-03-22

S30E13

Dante Goes to Hell

Ep 13 · 1993-03-29

S30E14

Ghosts in the Dinosaur Graveyard

Ep 14 · 1993-04-05

S30E15

The New Alchemists

Ep 15 · 1993-04-19

S30E16

Allergic to the 20th Century

Ep 16 · 1993-05-10

S30E17

Wot U Looking At?

Ep 17 · 1993-05-24

S30E18

The Electronic Frontier

Ep 18 · 1993-06-07

S30E19

A Vital Poison

Ep 19 · 1993-06-14

S30E20

Chimp Talk

Ep 20 · 1993-06-21

S30E21

Life is Impossible

Ep 21 · 1993-06-28

S31E1

Small Arms, Soft Targets

Ep 1 · 1994-01-10

S31E2

The Last Mammoth

Ep 2 · 1994-01-17

S31E3

The Man Who Made Up His Mind

Ep 3 · 1994-01-24

S31E4

Genie

Ep 4 · 1994-01-31

S31E5

Death Wish - The Untold Story

Ep 5 · 1994-02-07

S31E6

Air Crash - The Deadly Puzzle

Ep 6 · 1994-02-14

S31E7

Hunt for the Doomsday Asteroid

Ep 7 · 1994-02-28

S31E8

Hubble Vision

Ep 8 · 1994-03-07

S31E9

Some Like iit Hot

Ep 9 · 1994-03-14

S31E10

Too Close to the Sun

Ep 10 · 1994-03-21

S31E11

Sir Walter's Journey

Ep 11 · 1994-03-28

S31E12

After the Flood

Ep 12 · 1994-04-18

S31E13

Against The Clock

Ep 13 · 1994-04-25

S31E14

The Blueprints of Genocide

Ep 14 · 1994-05-09

S31E15

Ulcer Wars

Ep 15 · 1994-05-16

S31E16

Deaf Whale, Dead Whale

Ep 16 · 1994-11-07

S31E17

Whispers of Creation

Ep 17 · 1994-11-14

S31E18

The Predator

Ep 18 · 1994-11-21

S31E19

Close Encounters

Ep 19 · 1994-11-28

S31E20

Orange Sherbet Kisses

Ep 20 · 1994-12-12

S31E21

Designer Wines

Ep 21 · 1994-12-19

S32E1

Tibet - The Ice Mother

Ep 1 · 1995-01-09

S32E2

Russia's Deep Secrets

Ep 2 · 1995-01-16

S32E3

Bones of Contention

Ep 3 · 1995-01-23

S32E4

Siamese Twins

Ep 4 · 1995-01-30

S32E5

Too Big Too Soon?

Ep 5 · 1995-02-20

S32E6

Farewell Fantastic Venus

Ep 6 · 1995-02-27

S32E7

Exodus

Ep 7 · 1995-03-06

S32E8

The Betrayers

Ep 8 · 1995-03-13

S32E9

Icon Earth

Ep 9 · 1995-03-20

S32E10

The I-Bomb

Ep 10 · 1995-03-27

S32E11

Foetal Attraction

Ep 11 · 1995-04-03

S32E12

Cracks in the Crust

Ep 12 · 1995-04-10

S32E13

Hearing Voices

Ep 13 · 1995-04-24

S32E14

Liar

Ep 14 · 1995-10-30

S32E15

The Human Laboratory

Ep 15 · 1995-11-06

S32E16

Nanotopia

Ep 16 · 1995-11-13

S32E17

Hunt for the Doomsday Asteroid (Update)

Ep 17 · 1995-11-20

S32E18

A Code In The Nose

Ep 18 · 1995-11-27

S32E19

AIDS: Behind Closed Doors

Ep 19 · 1995-12-04

S32E20

The Runaway Mountain

Ep 20 · 1995-12-11

S33E1

The Butchers of Boxgrove

Ep 1 · 1996-01-08

S33E2

Fermat's Last Theorem

Ep 2 · 1996-01-15

S33E3

A Miracle for Cancer ?

Ep 3 · 1996-01-22

S33E4

Nature's Numbers

Ep 4 · 1996-01-29

S33E5

The Gene Race

Ep 5 · 1996-02-05

S33E6

Masters of the Ionosphere

Ep 6 · 1996-02-12

S33E7

Assault on the Male (revisited)

Ep 7 · 1996-02-26

S33E8

Death by Design

Ep 8 · 1996-03-04

S33E9

The Planet Hunters

Ep 9 · 1996-03-11

S33E10

Inside Chernobyl's Sarcophagus (Update)

Ep 10 · 1996-03-25

S33E11

Fallout from Chernobyl

Ep 11 · 1996-04-01

S33E12

TV is Dead, Long Live TV

Ep 12 · 1996-11-04

S33E13

Aliens from Mars

Ep 13 · 1996-11-11

S33E14

Living Death

Ep 14 · 1996-11-25

S33E15

The Time Lords

Ep 15 · 1996-12-02

S33E16

Noah's Flood

Ep 16 · 1996-12-16

S34E1

Psychedelic Science

Ep 1 · 1997-02-27

S34E2

Fat Cats, Thin Mice

Ep 2 · 1997-03-06

S34E3

Shipwreck

Ep 3 · 1997-03-13

S34E4

Genius of the Jet

Ep 4 · 1997-03-20

S34E5

Smallpox on Death Row

Ep 5 · 1997-03-27

S34E6

Silent Children, New Language

Ep 6 · 1997-04-03

S34E7

Turned On by Danger

Ep 7 · 1997-04-17

S34E8

A Perfect Oil Spill

Ep 8 · 1997-04-24

S34E9

The Great Balloon Race

Ep 9 · 1997-05-01

S34E10

Crater of Death

Ep 10 · 1997-09-11

S34E11

Mind Over Body

Ep 11 · 1997-09-18

S34E12

Out of Asia

Ep 12 · 1997-09-25

S34E13

The Virus that Cures

Ep 13 · 1997-10-09

S34E14

The Man Who Lost his Body

Ep 14 · 1997-10-16

S34E15

Dawn of the Clone Age

Ep 15 · 1997-10-23

S35E1

Saddam's Secrets

Ep 1 · 1998-02-19

S35E2

Dr Miller and the Islanders

Ep 2 · 1998-02-26

S35E3

The Rainmaker

Ep 3 · 1998-03-05

S35E4

Hopeful Monsters

Ep 4 · 1998-03-19

S35E5

The Limits to Birth

Ep 5 · 1998-03-26

S35E6

Overkill

Ep 6 · 1998-04-02

S35E7

The Curse of Vesuvius

Ep 7 · 1998-04-16

S35E8

Mir Mortals

Ep 8 · 1998-04-23

S35E9

The Computer that Ate Hollywood

Ep 9 · 1998-04-30

S35E10

Magic Bullet

Ep 10 · 1998-05-07

S35E11

The Gulf War Jigsaw

Ep 11 · 1998-05-14

S35E12

Sexual Chemistry

Ep 12 · 1998-09-10

S35E13

Chimps on Death Row

Ep 13 · 1998-10-01

S35E14

Dinosaurs in Your Garden

Ep 14 · 1998-10-08

S35E15

Mosquito!

Ep 15 · 1998-10-15

S35E16

The Life and Times of Life and Time

Ep 16 · 1998-10-22

S35E17

Thalidomide: A Necessary Evil

Ep 17 · 1998-10-29

S35E18

Beyond a Joke

Ep 18 · 1998-11-05

S36E1

From Here to Infinity

Ep 1 · 1999-01-28

S36E2

Pandemic

Ep 2 · 1999-02-04

S36E3

Elephants or Ivory

Ep 3 · 1999-02-11

S36E4

Electric Heart

Ep 4 · 1999-02-18

S36E5

Sudden Death

Ep 5 · 1999-02-25

S36E6

New Star in Orbit

Ep 6 · 1999-03-11

S36E7

New Asteroid Danger

Ep 7 · 1999-03-18

S36E8

Skeleton Key

Ep 8 · 1999-03-25

S36E9

Wings of Angels

Ep 9 · 1999-08-01

S36E10

Mistaken Identity

Ep 10 · 1999-11-11

S36E11

Volcanoes of the Deep

Ep 11 · 1999-11-18

S36E12

Anatomy of an Avalanche

Ep 12 · 1999-11-25

S36E13

The Midas Formula

Ep 13 · 1999-12-02

S36E14

Blood and Flowers: In Search of the Aztecs

Ep 14 · 1999-09-09

S37E1

Breath of Life

Ep 1 · 2000-01-12

S37E2

The Lost City of Nasca

Ep 2 · 2000-01-20

S37E3

The Diamond Makers

Ep 3 · 2000-01-27

S37E4

Supervolcanoes

Ep 4 · 2000-02-03

S37E5

Miracle In Orbit

Ep 5 · 2000-02-03

S37E6

Complete Obsession - Body Dysmorphia

Ep 6 · 2000-02-17

S37E7

Is GM Safe?

Ep 7 · 2000-03-09

S37E8

Planet Hunters

Ep 8 · 2000-03-16

S37E9

Moon Children

Ep 9 · 2000-04-04

S37E10

Mega-tsunami: Wave of Destruction

Ep 10 · 2000-10-12

S37E11

Conjoined Twins

Ep 11 · 2000-10-19

S37E12

The Lost World of Lake Vostok

Ep 12 · 2000-10-26

S37E13

Vanished: The Plane that Disappeared

Ep 13 · 2000-11-02

S37E14

The Secret Treasures of Zeugma

Ep 14 · 2000-11-09

S37E15

Valley of Life or Death

Ep 15 · 2000-11-16

S37E16

Extreme Dinosaurs

Ep 16 · 2000-11-23

S37E17

Supermassive Black Holes

Ep 17 · 2000-11-30

S37E18

The Boy who was Turned into a Girl

Ep 18 · 2000-12-07

S37E19

Atlantis Reborn Again

Ep 19 · 2000-12-14

S38E1

The Mystery of the Miami Circle

Ep 1 · 2001-01-25

S38E2

The Missing Link

Ep 2 · 2001-02-01

S38E3

Killer Algae

Ep 3 · 2001-02-08

S38E4

Ecstasy and Agony

Ep 4 · 2001-02-15

S38E5

Snowball Earth

Ep 5 · 2001-02-22

S38E6

Taming the Problem Child

Ep 6 · 2001-03-06

S38E7

The Mystery of the Persian Mummy

Ep 7 · 2001-09-20

S38E8

The Ape that Took Over the World

Ep 8 · 2001-10-04

S38E9

Life Blood

Ep 9 · 2001-10-11

S38E10

The Death Star

Ep 10 · 2001-10-18

S38E11

Cloning the First Human

Ep 11 · 2001-10-25

S39E1

Helike - The Real Atlantis

Ep 1 · 2002-01-10

S39E2

Volcano Hell

Ep 2 · 2002-01-17

S39E3

Fatbusters

Ep 3 · 2002-01-24

S39E4

The Lost Pyramids of Caral

Ep 4 · 2002-01-31

S39E5

Death of the Iceman

Ep 5 · 2002-02-07

S39E6

Parallel Universes

Ep 6 · 2002-02-14

S39E7

The Dinosaur that Fooled the World

Ep 7 · 2002-02-21

S39E8

The Fall of the World Trade Center

Ep 8 · 2002-03-07

S39E9

Archimedes' Secret

Ep 9 · 2002-03-14

S39E10

The Mystery of the Jurassic

Ep 10 · 2002-03-28

S39E11

Killer Lakes

Ep 11 · 2002-04-04

S39E12

The A6 Murder

Ep 12 · 2002-05-16

S39E13

The England Patient

Ep 13 · 2002-05-23

S39E14

Freak Wave

Ep 14 · 2002-11-14

S39E15

Stone Age Columbus

Ep 15 · 2002-11-21

S39E16

Homeopathy: The Test

Ep 16 · 2002-11-26

S39E17

The Day the Earth Nearly Died

Ep 17 · 2002-12-05

S39E18

The Secret of El Dorado

Ep 18 · 2002-12-19

S40E1

The Mystery Of Easter Island

Ep 1 · 2003-01-09

S40E2

Living Nightmare

Ep 2 · 2003-01-16

S40E3

Averting Armageddon

Ep 3 · 2003-01-23

S40E4

Dirty Bomb

Ep 4 · 2003-01-30

S40E5

Sexual Chemistry (Update)

Ep 5 · 2003-02-13

S40E6

The Day We Learned To Think

Ep 6 · 2003-02-20

S40E7

Trial and Error

Ep 7 · 2003-02-27

S40E8

Earthquake Storms

Ep 8 · 2003-03-06

S40E9

Life On Mars (Update)

Ep 9 · 2003-03-27

S40E10

The Secret Life Of Caves

Ep 10 · 2003-04-03

S40E11

God On The Brain

Ep 11 · 2003-04-17

S40E12

Flight 587

Ep 12 · 2003-05-08

S40E13

SARS: The True Story

Ep 13 · 2003-05-29

S40E14

The Big Chill

Ep 14 · 2003-11-13

S40E15

The Bible Code

Ep 15 · 2003-11-20

S40E16

Last Flight of the Columbia

Ep 16 · 2003-11-27

S40E17

The Hunt for an AIDS Vaccine

Ep 17 · 2003-12-04

S40E18

Percy Pilcher's Flying Machine

Ep 18 · 2003-12-11

S40E19

Time Trip

Ep 19 · 2003-12-18

S41E1

The Demonic Ape

Ep 1 · 2004-01-08

S41E2

The Moscow Theatre Siege

Ep 2 · 2004-01-15

S41E3

The Atkins Diet

Ep 3 · 2004-01-22

S41E4

Secrets of the Star Disc

Ep 4 · 2004-01-29

S41E5

The Dark Secret of Hendrik Schön

Ep 5 · 2004-02-05

S41E6

Thalidomide - A Second Chance?

Ep 6 · 2004-02-12

S41E7

Diamond Labs

Ep 7 · 2004-03-04

S41E8

T-Rex - Warrior or Wimp?

Ep 8 · 2004-03-11

S41E9

Project Poltergeist

Ep 9 · 2004-03-18

S41E10

The Truth of Troy

Ep 10 · 2004-03-25

S41E11

The Truth About Vitamins

Ep 11 · 2004-09-16

S41E12

King Solomon's Tablet of Stone

Ep 12 · 2004-09-23

S41E13

Derek Tastes of Earwax

Ep 13 · 2004-09-30

S41E14

What Really Killed the Dinosaurs?

Ep 14 · 2004-10-07

S41E15

Making Millions the Easy Way

Ep 15 · 2004-10-14

S41E16

Saturn - Lord of the Rings

Ep 16 · 2004-10-21

S41E17

The Hunt for the Supertwister

Ep 17 · 2004-10-28

S41E18

Dr Money and the Boy with No Penis

Ep 18 · 2004-11-04

S42E1

Global Dimming

Ep 1 · 2005-01-13

S42E2

Einstein's Unfinished Symphony

Ep 2 · 2005-01-20

S42E3

Einstein's Equation of Life and Death

Ep 3 · 2005-01-27

S42E4

Living with ADHD

Ep 4 · 2005-03-03

S42E5

Neanderthal

Ep 5 · 2005-02-10

S42E6

An Experiment to Save the World

Ep 6 · 2005-02-17

S42E7

Who's Afraid of Designer Babies?

Ep 7 · 2005-02-24

S42E8

The Lost Civilisation of Peru

Ep 8 · 2005-03-03

S42E9

The Next Megaquake

Ep 9 · 2005-05-22

S42E10

Does the MMR Jab Cause Autism?

Ep 10 · 2005-05-29

S42E11

Malaria: Defeating the Curse

Ep 11 · 2005-06-05

S42E12

Tsunami: Naming the Dead

Ep 12 · 2005-09-01

S42E13

The Hawking Paradox

Ep 13 · 2005-09-08

S42E14

The Mystery of the Human Hobbit

Ep 14 · 2005-09-15

S42E15

The Doctor Who Makes People Walk Again?

Ep 15 · 2005-10-06

S42E16

Can Fish Make My Child Smart?

Ep 16 · 2005-10-06

S42E17

Madagascar - A Treetop Odyssey

Ep 17 · 2005-10-13

S42E18

Titan. A Place Like Home?

Ep 18 · 2005-11-10

S42E19

The 7/7 Bombers: A Psychological Investigation

Ep 19 · 2005-12-08

S42E20

The Ghost in Your Genes

Ep 20 · 2005-12-15

S43E1

Space Tourists

Ep 1 · 2006-01-12

S43E2

Waiting for a Heartbeat

Ep 2 · 2006-01-19

S43E3

A War on Science

Ep 3 · 2006-01-26

S43E4

The Lost City of New Orleans

Ep 4 · 2006-02-02

S43E5

Most of Our Universe Is Missing

Ep 5 · 2006-02-09

S43E6

Winning Gold in 2012

Ep 6 · 2006-03-18

S43E7

The Woman Who Thinks Like a Cow

Ep 7 · 2006-06-08

S43E8

The Genius Sperm Bank

Ep 8 · 2006-06-15

S43E9

Bye Bye Planet Pluto

Ep 9 · 2006-06-22

S43E10

We Love Cigarettes

Ep 10 · 2006-06-29

S43E11

Nuclear Nightmares

Ep 11 · 2006-07-13

S43E12

Tutankhamun's Fireball

Ep 12 · 2006-07-20

S43E13

Survivors Guide to Plane Crashes

Ep 13 · 2006-10-03

S43E14

Chimps are People Too

Ep 14 · 2006-10-10

S43E15

The Worlds First Face Transplant

Ep 15 · 2006-10-17

S43E16

Human v2.0

Ep 16 · 2006-10-24

S43E17

The Great Robot Race

Ep 17 · 2006-10-31

S43E18

Pandemic

Ep 18 · 2006-11-07

S43E19

We are the Aliens

Ep 19 · 2006-11-14

S44E1

My Pet Dinosaur

Ep 1 · 2007-03-13

S44E2

The Elephant's Guide to Sex

Ep 2 · 2007-03-20

S44E3

Prof Regan's Beauty Parlour

Ep 3 · 2007-03-27

S44E4

Mad but Glad

Ep 4 · 2007-04-03

S44E5

Moon for Sale

Ep 5 · 2007-04-10

S44E6

Battle of the Brains

Ep 6 · 2007-04-17

S44E7

Skyscraper Fire Fighters

Ep 7 · 2007-04-24

S44E8

The Six Billion Dollar Experiment

Ep 8 · 2007-05-01

S44E9

How to Commit the Perfect Murder

Ep 9 · 2007-05-08

S45E1

How to Kill a Human Being

Ep 1 · 2008-01-15

S45E2

Total Isolation

Ep 2 · 2008-01-22

S45E3

What on Earth is Wrong With Gravity?

Ep 3 · 2008-01-29

S45E4

Is Alcohol Worse than Ecstasy?

Ep 4 · 2008-02-05

S45E5

How to Make Better Decisions

Ep 5 · 2008-02-12

S45E6

How to Live to be 101

Ep 6 · 2008-02-19

S45E7

Prof. Regan's Supermarket Secrets

Ep 7 · 2008-02-26

S45E8

Are we Alone in the Universe?

Ep 8 · 2008-03-04

S45E9

How Much is Your Dead Body Worth?

Ep 9 · 2008-03-18

S45E10

How Does Your Memory Work?

Ep 10 · 2008-03-25

S45E11

The President's Guide to Science

Ep 11 · 2008-09-16

S45E12

How Mad Are You? (1 of 2)

Ep 12 · 2008-11-11

S45E13

How Mad Are You? (2 of 2)

Ep 13 · 2008-11-18

S45E14

Jimmy's GM Food Fight

Ep 14 · 2008-11-25

S45E15

Do You Know What Time It Is?

Ep 15 · 2008-12-02

S45E16

Allergy Planet

Ep 16 · 2008-12-09

S45E17

Where's My Robot?

Ep 17 · 2008-12-16

S46E1

Why Are Thin People Not Fat?

Ep 1 · 2009-01-26

S46E2

Cannabis: The Evil Weed?

Ep 2 · 2009-02-03

S46E3

Why Do We Dream?

Ep 3 · 2009-02-10

S46E4

Can We Make a Star on Earth?

Ep 4 · 2009-02-17

S46E5

The Secret Life of Your Bodyclock

Ep 5 · 2009-02-24

S46E6

What's the Problem with Nudity?

Ep 6 · 2009-03-03

S46E7

How to Survive a Disaster

Ep 7 · 2009-03-10

S46E8

Who Do You Want Your Child to Be?

Ep 8 · 2009-03-17

S46E9

Why Can't We Predict Earthquakes?

Ep 9 · 2009-03-24

S46E10

Alan and Marcus Go Forth and Multiply

Ep 10 · 2009-03-31

S46E11

How Violent Are You?

Ep 11 · 2009-05-12

S46E12

Do I Drink Too Much?

Ep 12 · 2009-12-22

S46E13

The Secret You

Ep 13 · 2009-12-22

S46E14

Fix Me

Ep 14 · 2009-12-22

S46E15

Who's Afraid of a Big Black Hole?

Ep 15 · 2009-12-22

S46E16

Why Do We Talk?

Ep 16 · 2009-12-22

S46E17

How Long is a Piece of String?

Ep 17 · 2009-12-22

S46E18

How Many People Can Live on Planet Earth?

Ep 18 · 2009-12-09

S47E1

Do I Drink Too Much?

Ep 1 · 2009-10-13

S47E2

The Secret You

Ep 2 · 2009-10-20

S47E3

Fix Me

Ep 3 · 2009-10-27

S47E4

Who's Afraid of a Big Black Hole?

Ep 4 · 2009-11-03

S47E5

Why Do We Talk?

Ep 5 · 2009-11-10

S47E6

How Long is a Piece of String?

Ep 6 · 2009-11-17

S47E7

The Secret Life of the Dog

Ep 7 · 2010-01-06

S47E8

Why Do Viruses Kill?

Ep 8 · 2010-01-13

S47E9

Pill Poppers

Ep 9 · 2010-01-20

S47E10

Don't Grow Old

Ep 10 · 2010-02-03

S47E11

To Infinity and Beyond

Ep 11 · 2010-02-10

S47E12

What Makes a Genius?

Ep 12 · 2010-02-17

S47E13

Did Cooking Make Us Human?

Ep 13 · 2010-03-02

S47E14

Is Everything We Know About the Universe Wrong?

Ep 14 · 2010-03-09

S48E1

Back from the Dead

Ep 1 · 2010-09-27

S48E2

The Death of the Oceans?

Ep 2 · 2010-10-04

S48E3

What Happened Before the Big Bang?

Ep 3 · 2011-10-11

S48E4

Is Seeing Believing?

Ep 4 · 2010-10-18

S48E5

Miracle Cure? A Decade of the Human Genome

Ep 5 · 2010-10-25

S48E6

Asteroids - The Good, the Bad and the Ugly

Ep 6 · 2010-11-03

S48E7

Deepwater Disaster - The Untold Story

Ep 7 · 2010-11-16

S48E8

What Is One Degree?

Ep 8 · 2011-01-10

S48E9

What Is Reality?

Ep 9 · 2011-01-17

S48E10

Science Under Attack

Ep 10 · 2011-01-24

S48E11

The Secret World of Pain

Ep 11 · 2011-01-31

S48E12

Surviving a Car Crash

Ep 12 · 2011-02-07

S48E13

How to Mend a Broken Heart

Ep 13 · 2011-02-14

S48E14

Are We Still Evolving?

Ep 14 · 2011-03-01

S48E15

Predators in Your Backyard

Ep 15 · 2011-03-08

S49E1

Do You See What I See?

Ep 1 · 2011-08-08

S49E2

Seeing Stars

Ep 2 · 2011-08-15

S49E3

The Nine Months That Made You

Ep 3 · 2011-08-22

S49E4

The Core

Ep 4 · 2011-08-31

S49E5

Are You Good or Evil?

Ep 5 · 2011-09-07

S49E6

Fukushima: Is Nuclear Power Safe?

Ep 6 · 2011-09-14

S49E7

Playing God

Ep 7 · 2012-01-17

S49E8

The Truth About Exercise

Ep 8 · 2012-02-28

S49E9

Solar Storms: The Threat to Planet Earth

Ep 9 · 2012-03-06

S49E10

Out of Control?

Ep 10 · 2012-03-13

S49E11

Global Weirding

Ep 11 · 2012-03-27

S49E12

The Truth about Fat

Ep 12 · 2012-03-20

S49E13

Defeating Cancer

Ep 13 · 2012-04-10

S50E1

The Truth About Looking Young

Ep 1 · 2012-07-23

S50E2

Mission to Mars

Ep 2 · 2012-07-30

S50E3

Eat, Fast and Live Longer

Ep 3 · 2012-08-06

S50E4

How Big Is the Universe?

Ep 4 · 2012-08-27

S50E5

How Small Is the Universe?

Ep 5 · 2012-09-03

S50E6

Defeating the Superbugs

Ep 6 · 2012-09-10

S50E7

The Creative Brain: How Insight Works

Ep 7 · 2013-03-14

S50E8

How to Avoid Mistakes in Surgery

Ep 8 · 2013-03-21

S50E9

The Truth about Taste

Ep 9 · 2013-03-28

S50E10

The Age of Big Data

Ep 10 · 2013-04-04

S50E11

The Secret Life of the Cat

Ep 11 · 2013-06-13

S50E12

Little Cat Diaries

Ep 12 · 2013-06-14

S50E13

Fracking: The New Energy Rush

Ep 13 · 2013-06-19

S50E14

Swallowed by a Black Hole

Ep 14 · 2013-06-26

S50E15

What Makes us Human?

Ep 15 · 2013-07-03

S50E16

The Truth About Personality

Ep 16 · 2013-07-10

S51E1

Monitor Me

Ep 1 · 2013-08-12

S51E2

Defeating the Hackers

Ep 2 · 2013-08-19

S51E3

Dinosaurs: The Hunt for Life

Ep 3 · 2013-08-26

S51E4

Sugar v Fat

Ep 4 · 2014-01-29

S51E5

Swallowed by a Sink Hole

Ep 5 · 2014-02-03

S51E6

Man on Mars - Mission to the Red Planet

Ep 6 · 2014-02-10

S51E7

The Power of the Placebo

Ep 7 · 2014-02-17

S51E8

How You Really Make Decisions

Ep 8 · 2014-02-24

S51E9

Living with Autism

Ep 9 · 2014-04-01

S51E10

Where is Flight MH370?

Ep 10 · 2014-06-17

S51E12

What's Wrong with Our Weather?

Ep 12 · 2014-07-17

S52E1

Should I Eat Meat? The Big Health Dilemma

Ep 1 · 2014-08-18

S52E2

Should I Eat Meat? How to Feed the Planet

Ep 2 · 2014-08-20

S52E3

Allergies: Modern Life and Me

Ep 3 · 2014-08-27

S52E4

Inside the Dark Web

Ep 4 · 2014-09-03

S52E5

Ebola - The search for a cure

Ep 5 · 2014-09-10

S52E6

Is your Brain Male or Female?

Ep 6 · 2014-09-29

S52E7

Secrets of the Solar System

Ep 7 · 2015-03-03

S52E8

Aftershock: The Hunt for Gravitational Waves

Ep 8 · 2015-03-10

S52E9

Dancing in the Dark - The End of Physics?

Ep 9 · 2015-03-17

S52E10

70 Million Animal Mummies: Egypt's Dark Secret

Ep 10 · 2015-05-11

S52E11

Is Binge Drinking Really That Bad?

Ep 11 · 2015-05-20

S52E12

The Trouble with Space Junk

Ep 12 · 2015-08-05

S52E13

Are Health Tests Really A Good Idea?

Ep 13 · 2015-08-12

S52E14

First Britons

Ep 14 · 2015-08-19

S52E15

OCD: A Monster In My Mind

Ep 15 · 2015-08-26

S52E16

Which Universe Are We In?

Ep 16 · 2015-09-02

S52E17

Cosmic Dawn: The Real Moment of Creation

Ep 17 · 2015-09-09

S52E18

Are Video Games Really That Bad?

Ep 18 · 2015-09-16

S53E1

The Immortalist

Ep 1 · 2016-03-16

S53E2

Project Greenglow - The Quest for Gravity Control

Ep 2 · 2016-03-23

S53E3

The Mystery of Dark Energy

Ep 3 · 2016-03-30

S53E4

Oceans of the Solar System

Ep 4 · 2016-04-06

S53E5

The End of the Solar System

Ep 5 · 2016-04-13

S53E6

Should We Close Our Zoos?

Ep 6 · 2016-04-17

S53E7

How to Find Love Online

Ep 7 · 2016-04-25

S53E8

Ice Station Antarctica

Ep 8 · 2016-05-04

S53E9

Curing Alzheimer's

Ep 9 · 2016-05-11

S53E10

E-Cigarettes: Miracle or Menace?

Ep 10 · 2016-05-22

S53E11

Why Are We Getting So Fat?

Ep 11 · 2016-06-07

S53E12

Sports Doping - Winning At Any Cost?

Ep 12 · 2016-07-19

S53E13

Inside CERN

Ep 13 · 2016-08-10

S53E14

My Amazing Twin

Ep 14 · 2016-08-25

S53E15

The Lost Tribes of Humanity

Ep 15 · 2016-10-12

S53E16

The Wildest Weather in the Universe

Ep 16 · 2016-10-23