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Horizon

Countries: UK,
Release Date: May 02, 1964
Year: 1964
Runtime:50 mins
IMDb Rating:

Watch Horizon full online free without downloading, english subs, hd quality

Bernard Hill     , Jack Fortune    

Horizon Seasons/Episodes

► Season 1 - Click for episodes

Episode 1 The World of Buckminster Fuller - 1964-05-02
Episode 2 Pesticides and Posterity - 1964-05-30
Episode 3 A Candle to Nature - 1964-06-27
Episode 4 Strangeness Minus Three - 1964-07-25
Episode 5 Episode 5 - 1964-08-22
Episode 6 The Knowledge Explosion - 1964-09-21
Episode 7 The Amateur Scientist - 1964-10-19
Episode 8 Tots and Quots and Woodgerie - 1964-11-16
Episode 9 Episode 9 - 1964-12-01
Episode 10 Science, Toys and Magic - 1964-12-14
Episode 11 Learning from Machines - 1965-01-06
Episode 12 The Technique of Change - 1965-01-20
Episode 13 Star Gazers - 1965-02-03
Episode 14 Science and Art - 1965-02-17
Episode 15 The Great Computer Scandal - 1965-03-03

► Season 2 - Click for episodes

Episode 1 Learning From Machines - 1965-01-06
Episode 2 The Technique of Change - 1965-01-20
Episode 3 Star Gazers - 1965-02-03
Episode 4 Science and Art - 1965-02-17
Episode 5 The Great Computer Scandal - 1965-03-03
Episode 6 Unknown - 1965-12-19
Episode 7 Unknown - 1966-01-02
Episode 8 Unknown - 1966-01-16
Episode 9 A Man of Two Visions - 1966-01-30
Episode 10 Unknown - 1966-02-13
Episode 11 Unknown - 1966-02-27
Episode 12 Unknown - 1966-03-13
Episode 13 Unknown - 1966-03-27
Episode 14 Unknown - 1966-04-10
Episode 15 Unknown - 1966-04-24
Episode 16 Man In Space - 1966-05-08
Episode 17 Unknown - 1966-05-22
Episode 18 Unknown - 1966-06-05
Episode 19 Unknown - 1966-06-19
Episode 20 Unknown - 1966-07-03
Episode 21 The Lonely Children - 1966-07-17
Episode 22 Unknown - 1966-07-31
Episode 23 Unknown - 1966-09-11
Episode 24 Unknown - 1966-09-25

► Season 3 - Click for episodes

Episode 1 Ten Years in the Antarctic - 1966-10-10
Episode 2 The Athlete - 1966-10-24
Episode 3 From Peenemunde to the Moon - 1966-11-07
Episode 4 Unknown - 1966-11-21
Episode 5 The Structure of Life - 1966-12-05
Episode 6 Hand Me My Sword, Humphrey - 1966-12-25
Episode 7 Sons of Cain - 1967-01-17
Episode 8 How Best to Make a Man, How Best to Make a Scientist - 1967-02-14
Episode 9 Dynamo, The Life of Michael Faraday - 1967-02-14
Episode 10 Migraine - 1967-03-14
Episode 11 How Safe Is Surgery? - 1967-03-28
Episode 12 The Shape of War to Come - 1967-04-25
Episode 13 Memory - 1967-05-09
Episode 14 Masters of the Desert - 1967-05-23
Episode 15 Cancer, The Smoker's Gamble - 1967-06-20
Episode 16 Hypnosis - 1967-07-04
Episode 17 Hypnosis - 1967-07-18
Episode 18 25 September 1966 - 1966-09-25
Episode 19 Ten Years in the Antarctic - 1966-10-10
Episode 20 The Athlete - 1966-10-24
Episode 21 From Peenemunde to the Moon - 1966-11-07
Episode 22 21 November 1966 - 1966-11-21
Episode 23 The Structure of Life - 1966-12-05
Episode 24 Hand Me My Sword, Humphrey - 1966-12-25

► Season 4 - Click for episodes

Episode 1 The War of the Boffins - 1967-09-12
Episode 2 Aspects of Alcohol - 1967-09-26
Episode 3 Lords of the Sea - 1967-10-10
Episode 4 Lords of the Sea - 1967-10-24
Episode 5 Air Safety, The Unknown Factor - 1967-11-07
Episode 6 Unknown - 1967-11-21
Episode 7 Koestler on Creativity - 1967-12-05
Episode 8 The World of Ted Serios - 1967-12-12
Episode 9 Professor in Toyland - 1967-12-24
Episode 10 An Ingenious Man, Sir H. John Baker - 1968-01-02
Episode 11 Man's Best Friend - 1968-01-30
Episode 12 Once a Junkie - 1968-02-13
Episode 13 Town Traffic and Tomorrow - 1968-02-27
Episode 14 The Man Makers - 1968-03-12
Episode 15 Man in Search of Himself - 1968-03-26
Episode 16 Investigating Murder - 1968-04-09
Episode 17 The Equation of Murder - 1968-05-07
Episode 18 Koestler On Creativity - 1967-12-05
Episode 19 The World of Ted Serios - 1967-12-12
Episode 20 Professor in Toyland - 1967-12-24

► Season 5 - Click for episodes

Episode 1 Lindemann Enigma - 1968-09-12
Episode 2 From Field to Factory - 1968-09-19
Episode 3 Comfort on Ageing - 1968-09-26
Episode 4 Experiments in War - 1968-10-03
Episode 5 African Medicine - 1968-10-17
Episode 6 The Broken Bridge - 1968-10-24
Episode 7 Children Without Words - 1968-10-31
Episode 8 Computer Revolution - 1968-11-07
Episode 9 Episode 9 - 1968-11-14
Episode 10 In the Matter of Dr Alfred Nobel - 1968-11-21
Episode 11 Wheels Within Wheels - 1968-11-28
Episode 12 Black Man — White Science - 1968-12-05
Episode 13 Hidden World - 1968-12-12
Episode 14 The Talgai Skull - 1968-12-19
Episode 15 Phantasmagoria, The Magic Lantern - 1968-12-24
Episode 16 Inside Every Fat Man... - 1969-01-02
Episode 17 If Only They Could Speak - 1969-01-09
Episode 18 The Miraculous Wonder, The Human Eye - 1969-01-16
Episode 19 The Year of the Locusts - 1969-01-23
Episode 20 The Gifted Child - 1969-01-30
Episode 21 The Last of the Polymaths - 1969-02-06
Episode 22 Music and the Mind - 1969-02-13
Episode 23 Report on V.D. - 1969-02-20

► Season 6 - Click for episodes

Episode 1 Season 06, Episode 01 - 1969-09-15
Episode 2 Season 06, Episode 02 - 1969-09-22
Episode 3 Season 06, Episode 03 - 1969-09-29
Episode 4 Season 06, Episode 04 - 1969-10-06
Episode 5 Season 06, Episode 05 - 1969-10-13
Episode 6 Season 06, Episode 06 - 1969-10-20
Episode 7 Season 06, Episode 07 - 1969-10-27
Episode 8 Season 06, Episode 08 - 1969-11-10
Episode 9 Season 06, Episode 09 - 1969-11-17
Episode 10 Season 06, Episode 10 - 1969-11-24
Episode 11 Season 06, Episode 11 - 1969-12-01
Episode 12 Season 06, Episode 12 - 1969-12-08
Episode 13 A Game of War - 1969-12-15
Episode 14 Bread - 1969-12-22
Episode 15 For the Safety of Mankind - 1969-12-29
Episode 16 Just Another World - 1970-01-05
Episode 17 Henry Royce, Mechanic - 1970-01-12
Episode 18 A Disease of Our Time, Stress - 1970-01-19
Episode 19 A Disease of Our Time, Heart Attacks - 1970-01-26
Episode 20 Sex and Sexuality - 1970-02-02
Episode 21 Whose Coast - 1970-02-16
Episode 22 A Much Wanted Child - 1970-02-23
Episode 23 The Expert Witness - 1970-03-02
Episode 24 After the Iron Age - 1970-03-16
Episode 25 Let the Therapy Fit the Crime - 1970-03-16
Episode 26 The World Outside - 1970-03-23
Episode 27 In the Beginning Was the Word - 1970-03-30
Episode 28 Drifting of the Continents - 1970-04-13
Episode 29 A Case of Priority - 1970-04-20
Episode 30 The Fretful Elements - 1970-04-27
Episode 31 One Man's Meat - 1970-05-11
Episode 32 Only Skin Deep - 1970-07-06
Episode 33 Wolves and Wolfmen - 1970-07-13
Episode 34 A Measure of Uncertainty - 1970-08-10

► Season 7 - Click for episodes

Episode 1 Season 07, Episode 01 - 1970-01-05
Episode 2 Season 07, Episode 02 - 1970-01-12
Episode 3 Season 07, Episode 03 - 1970-01-19
Episode 4 Season 07, Episode 04 - 1970-01-26
Episode 5 Season 07, Episode 05 - 1970-02-02
Episode 6 Season 07, Episode 06 - 1970-02-16
Episode 7 Season 07, Episode 07 - 1970-02-23
Episode 8 Season 07, Episode 08 - 1970-03-02
Episode 9 Season 07, Episode 09 - 1970-03-09
Episode 10 Season 07, Episode 10 - 1970-03-16
Episode 11 Season 07, Episode 11 - 1970-03-23
Episode 12 Season 07, Episode 12 - 1970-03-30
Episode 13 Drifting of the Continents - 1970-04-13
Episode 14 A Case of Priority - 1970-04-20
Episode 15 The Fretful Elements - 1970-04-27
Episode 16 One Man's Meat - 1970-05-11
Episode 17 Only Skin Deep - 1970-07-06
Episode 18 Wolves and Wolfmen - 1970-07-13
Episode 19 A Measure of Uncertainty - 1970-08-10
Episode 20 The Manhunters - 1970-08-17
Episode 21 Don't Get Sick in America - 1970-08-17
Episode 22 Crown of Thorns - 1970-08-31
Episode 23 Noah's Ark in Kensington - 1970-09-07
Episode 24 Virus - 1970-09-14
Episode 25 Water, Water... - 1970-09-21
Episode 26 All Creatures Great and Small - 1970-09-28
Episode 27 Child for a Lifetime - 1970-10-05
Episode 28 Something for Our Children - 1970-10-12
Episode 29 Million Ton Tanker - 1970-11-02
Episode 30 The Insect War - 1970-11-09
Episode 31 The Savage Mind - 1970-11-16
Episode 32 Tanks - 1970-11-23
Episode 33 Mind the Machine - 1970-11-30
Episode 34 Square Pegs - 1970-12-07
Episode 35 Earthquakes - The City that Waits to Die - 1970-12-14
Episode 36 The Man Who Talks to Frogs - 1970-12-21
Episode 37 The Gargantuan Triumph of Science - 1970-12-28

► Season 8 - Click for episodes

Episode 1 Season 08, Episode 01 - 1971-01-04
Episode 2 Season 08, Episode 02 - 1971-01-18
Episode 3 Season 08, Episode 03 - 1971-01-25
Episode 4 Season 08, Episode 04 - 1971-02-01
Episode 5 Season 08, Episode 05 - 1971-02-15
Episode 6 Season 08, Episode 06 - 1971-02-22
Episode 7 Season 08, Episode 07 - 1971-03-08
Episode 8 Season 08, Episode 08 - 1971-03-15
Episode 9 Season 08, Episode 09 - 1971-03-22
Episode 10 Season 08, Episode 10 - 1971-04-05
Episode 11 Season 08, Episode 11 - 1971-04-12
Episode 12 Season 08, Episode 12 - 1971-04-26
Episode 13 Darwin's Bulldog - 1971-05-03
Episode 14 The Secret - 1971-05-10
Episode 15 What Every Girl Should Know - 1971-05-17
Episode 16 Taste of Foods to Come - 1971-05-24
Episode 17 Looking for a Happy Landing - 1971-05-31
Episode 18 A Case of Depression - 1971-06-07
Episode 19 The Total War Machine - 1971-06-14
Episode 20 The Dinosaur Hunters - 1971-06-21
Episode 21 Your Country Needs You - 1971-09-27
Episode 22 Rheumatism - 1971-10-04
Episode 23 If at First You Don't Succeed...You Don't Succeed - 1971-10-11
Episode 24 One Liverpool or Two? - 1971-10-18
Episode 25 Mind Over Body - 1971-10-25
Episode 26 The Fierce People - 1971-11-01
Episode 27 The Wizard Who Spat On The Floor - 1971-11-15
Episode 28 Crab Nebula - 1971-11-22
Episode 29 Can Venice Survive? - 1971-11-29
Episode 30 Willingly to School - 1971-12-06
Episode 31 The Periscope War - 1971-12-20
Episode 32 Patently Absurd - 1971-12-27

► Season 9 - Click for episodes

Episode 1 Season 09, Episode 01 - 1972-01-03
Episode 2 Season 09, Episode 02 - 1972-01-10
Episode 3 Season 09, Episode 03 - 1972-01-17
Episode 4 Season 09, Episode 04 - 1972-01-31
Episode 5 Season 09, Episode 05 - 1972-02-07
Episode 6 Season 09, Episode 06 - 1972-02-14
Episode 7 Season 09, Episode 07 - 1972-02-21
Episode 8 Season 09, Episode 08 - 1972-02-28
Episode 9 Season 09, Episode 09 - 1972-03-06
Episode 10 Season 09, Episode 10 - 1972-03-13
Episode 11 Season 09, Episode 11 - 1972-03-20
Episode 12 Season 09, Episode 12 - 1972-03-27
Episode 13 Mind Over Body - 1972-04-10
Episode 14 Out of Volcanoes - 1972-04-17
Episode 15 The Wizard Who Spat on the Floor - 1972-04-17
Episode 16 Rail Crash - 1972-05-08
Episode 17 Do You Dig National Parks? - 1972-05-22
Episode 18 The Rat Man - Sigmund Freud - 1972-06-05
Episode 19 Sorry I Opened My Mouth - 1972-06-12
Episode 20 The Ways We Move - 1972-07-03
Episode 21 The Life that Lives on Man - 1972-07-10
Episode 22 Sex Can Be a Problem - 1972-07-24
Episode 23 The Surgery of Violence - 1972-07-31
Episode 24 Hospital - Episode 22 - 1972-10-12
Episode 25 When Polar Bears Swam the Thames - 1972-10-19
Episode 26 Making of an English Landscape - 1972-10-26
Episode 27 Shadows of Bliss - 1972-11-02
Episode 28 Billion Marsh - 1972-11-09
Episode 29 Do You Sincerly Want a Longer Life? - 1972-11-16
Episode 30 The Making of a Natural History Film - 1972-11-23
Episode 31 Fire - 1972-11-30
Episode 32 Alaskan Pipe Dream - 1972-12-07
Episode 33 Their Life in Your Hands - 1972-12-21
Episode 34 Navigating Europe - 1972-12-28

► Season 10 - Click for episodes

Episode 1 Season 10, Episode 01 - 1973-01-04
Episode 2 Season 10, Episode 02 - 1973-01-11
Episode 3 Season 10, Episode 03 - 1973-01-18
Episode 4 Season 10, Episode 04 - 1973-01-25
Episode 5 Season 10, Episode 05 - 1973-02-08
Episode 6 Season 10, Episode 06 - 1973-02-15
Episode 7 Season 10, Episode 07 - 1973-03-01
Episode 8 Season 10, Episode 08 - 1973-03-08
Episode 9 Season 10, Episode 09 - 1973-03-22
Episode 10 Season 10, Episode 10 - 1973-04-05
Episode 11 Season 10, Episode 11 - 1973-04-12
Episode 12 Season 10, Episode 12 - 1973-04-26
Episode 13 Airport - 1973-05-03
Episode 14 Do You Remember the Memory Man? - 1973-05-17
Episode 15 What a Waste! - 1973-05-24
Episode 16 The Laws of the Land - 1973-06-07
Episode 17 Do We Really Need the Railways? - 1973-06-14
Episode 18 The Telly of Tomorrow - 1973-06-21
Episode 19 How Does It Hurt? - 1973-07-05
Episode 20 A Scientist Looks at Religion - 1973-08-09
Episode 21 In Search of Konrad Lorenz - 1973-09-24
Episode 22 Stretch Up Tall - 1973-10-01
Episode 23 Gilding the Lily - 1973-10-08
Episode 24 Black Holes of Gravity - 1973-10-15
Episode 25 What's So Big About Us? - 1973-10-22
Episode 26 The Steadfast Tin Soldier - 1973-10-29
Episode 27 Carry on Smoking - 1973-11-05
Episode 28 Air Crash Detective - 1973-11-26
Episode 29 An Element of Mystery - 1973-12-03
Episode 30 Digging Up the Future - 1973-12-17
Episode 31 Kula, A Reason for Giving - 1973-12-24
Episode 32 Crime Lab - 1973-12-31

► Season 11 - Click for episodes

Episode 1 Season 11, Episode 01 - 1974-01-07
Episode 2 Season 11, Episode 02 - 1974-01-14
Episode 3 Season 11, Episode 03 - 1974-01-21
Episode 4 Season 11, Episode 04 - 1974-01-28
Episode 5 Season 11, Episode 05 - 1974-02-04
Episode 6 Season 11, Episode 06 - 1974-02-11
Episode 7 Season 11, Episode 07 - 1974-02-18
Episode 8 Season 11, Episode 08 - 1974-03-04
Episode 9 Season 11, Episode 09 - 1974-05-11
Episode 10 Season 11, Episode 10 - 1974-04-22
Episode 11 Season 11, Episode 11 - 1974-04-29
Episode 12 Season 11, Episode 12 - 1974-05-06
Episode 13 A Noah's Ark for Europe - 1974-05-13
Episode 14 Bridges - When It Comes to the Crunch - 1974-06-03
Episode 15 Search for Life - 1974-06-10
Episode 16 The Secrets of Sleep - 1974-06-17
Episode 17 Who Needs Skills? - 1974-06-24
Episode 18 Hills of Promise - 1974-07-01
Episode 19 The Race for the Double Helix - 1974-07-08
Episode 20 The Immigrant Doctor - 1974-07-18
Episode 21 Mines, Minerals, and Men - 1974-07-22
Episode 22 What Price Steak? - 1974-07-29
Episode 23 Listen and Be Loyal - 1974-08-05
Episode 24 Adam or Eve? - 1974-08-12
Episode 25 An Unholy Scramble - 1974-09-02
Episode 26 You Do as You are Told - 1974-10-28
Episode 27 The First Signs of Washoe - 1974-11-04
Episode 28 The Other Way - 1974-11-11
Episode 29 The Greatest Advance Since the Wheel - 1974-11-25
Episode 30 Joey - 1974-12-09
Episode 31 The Neglected Harvest - 1974-12-16
Episode 32 How on Earth Did They Do That? - 1974-12-23
Episode 33 The Lysenko Affair - 1974-12-30

► Season 12 - Click for episodes

Episode 1 Season 12, Episode 01 - 1975-01-08
Episode 2 Season 12, Episode 02 - 1975-01-20
Episode 3 Season 12, Episode 03 - 1975-01-27
Episode 4 Season 12, Episode 04 - 1975-02-10
Episode 5 Season 12, Episode 05 - 1975-02-17
Episode 6 Season 12, Episode 06 - 1975-02-24
Episode 7 Season 12, Episode 07 - 1975-03-10
Episode 8 Season 12, Episode 08 - 1975-04-07
Episode 9 Season 12, Episode 09 - 1975-04-14
Episode 10 Season 12, Episode 10 - 1975-04-21
Episode 11 Season 12, Episode 11 - 1975-04-28
Episode 12 Season 12, Episode 12 - 1975-05-05
Episode 13 The Bulldog's Last Bark - 1975-05-13
Episode 14 Benjamin - 1975-05-20
Episode 15 The McMaster Experiment - 1975-06-02
Episode 16 The Glazed Outlook - 1975-06-09
Episode 17 The Three Chord Trick - 1975-06-16
Episode 18 Strange Sleep - 1975-06-30
Episode 19 How Do You Read? - 1975-07-14
Episode 20 The Sickly Sea - 1975-07-21
Episode 21 Happy Atmosphere - 1975-07-28
Episode 22 To Die - To Live - The Survivors of Hiroshima - 1975-08-06
Episode 23 Cannabis - 1975-08-11
Episode 24 Mediation and the Mind - 1975-08-18
Episode 25 The Trobriand Experiment - 1975-12-29

► Season 13 - Click for episodes

Episode 1 Season 13, Episode 01 - 1976-01-05
Episode 2 Season 13, Episode 02 - 1976-01-12
Episode 3 Season 13, Episode 03 - 1976-01-19
Episode 4 Season 13, Episode 04 - 1976-01-26
Episode 5 Season 13, Episode 05 - 1976-02-02
Episode 6 Season 13, Episode 06 - 1976-02-09
Episode 7 Season 13, Episode 07 - 1976-02-16
Episode 8 Season 13, Episode 08 - 1976-02-23
Episode 9 Season 13, Episode 09 - 1976-03-01
Episode 10 Season 13, Episode 10 - 1976-03-08
Episode 11 Season 13, Episode 11 - 1976-03-15
Episode 12 Season 13, Episode 12 - 1976-03-22
Episode 13 The Pathway from Madness - 1976-03-29
Episode 14 Geronimo's Children - 1976-04-05
Episode 15 The Vision of the Blind - 1976-04-12
Episode 16 A Lesson for Teacher - 1976-04-26
Episode 17 Why Did Stuart Die? - 1976-05-03
Episode 18 The Children of Peru - 1976-05-17
Episode 19 Dying - 1976-05-24
Episode 20 The Great British Drought - 1976-05-26
Episode 21 Home Like Ours...A Story of Four Children - 1976-06-07
Episode 22 What's Wrong with the Sun? - 1976-06-14
Episode 23 The Bull's Eye War - 1976-10-25
Episode 24 The Hot-Blooded Dinosaurs - 1976-11-01
Episode 25 The Billion Dollar Bubble - 1976-11-08
Episode 26 The Selfish Gene - 1976-11-15
Episode 27 A Child of Our Own - 1976-11-22
Episode 28 Secrets of a Coral Island - 1976-11-29
Episode 29 The Long Valley - 1976-12-06
Episode 30 Half-way to 84 - 1976-12-13
Episode 31 The Mystery Surrounding King Arthur and His Round Table - 1976-12-20

► Season 14 - Click for episodes

Episode 1 Season 14, Episode 01 - 1977-01-07
Episode 2 Season 14, Episode 02 - 1977-01-14
Episode 3 Season 14, Episode 03 - 1977-01-21
Episode 4 Season 14, Episode 04 - 1977-02-04
Episode 5 Season 14, Episode 05 - 1977-02-18
Episode 6 Season 14, Episode 06 - 1977-02-25
Episode 7 Season 14, Episode 07 - 1977-03-04
Episode 8 Season 14, Episode 08 - 1977-03-11
Episode 9 Season 14, Episode 09 - 1977-03-18
Episode 10 Season 14, Episode 10 - 1977-04-01
Episode 11 Season 14, Episode 11 - 1977-07-15
Episode 12 Season 14, Episode 12 - 1977-07-22
Episode 13 Silent Speech - 1977-07-29
Episode 14 The Message in the Rocks - 1977-08-05
Episode 15 Horizon 2002 - 1977-08-26
Episode 16 The River that Came Clean - 1977-09-02
Episode 17 Blueprints in the Bloodstream - 1977-09-09
Episode 18 40 Years of Murder - 1977-09-16
Episode 19 Darwin's Dream - 1977-09-23
Episode 20 The Cry for Help - 1977-09-30
Episode 21 The Sunspot Mystery - 1977-10-07
Episode 22 The Rhine's Revenge - 1977-10-21
Episode 23 The Case of the Ancient Astronauts - 1977-11-25
Episode 24 Icarus' Children - 1977-12-02
Episode 25 The Healing Nightmare - 1977-12-09
Episode 26 The Great Wine Revolution - 1977-12-23

► Season 15 - Click for episodes

Episode 1 Season 15, Episode 01 - 1978-01-06
Episode 2 Season 15, Episode 02 - 1978-01-20
Episode 3 Season 15, Episode 03 - 1978-01-27
Episode 4 Season 15, Episode 04 - 1978-02-03
Episode 5 Season 15, Episode 05 - 1978-02-17
Episode 6 Season 15, Episode 06 - 1978-02-24
Episode 7 Season 15, Episode 07 - 1978-03-10
Episode 8 Season 15, Episode 08 - 1978-03-24
Episode 9 Now the Chips are Down - 1978-03-31
Episode 10 Season 15, Episode 10 - 1978-07-14
Episode 11 Season 15, Episode 11 - 1978-07-21
Episode 12 Season 15, Episode 12 - 1978-07-28
Episode 13 A Whisper from Space - 1978-08-04
Episode 14 Prisoners of Hope - 1978-08-11
Episode 15 On a Different Track - 1978-08-18
Episode 16 Careering into Science - 1978-08-25
Episode 17 Cashing in on the Ocean - 1978-09-01
Episode 18 Bags of Life - 1978-09-08
Episode 19 Innocent Slaughter - 1978-09-15
Episode 20 Beersheva Experiment - 1978-11-03
Episode 21 Divers Do It Deeper - 1978-11-10
Episode 22 The Big Sleep - 1978-11-17
Episode 23 The Vital Spark - 1978-11-24
Episode 24 The Red Deer of Rhum - 1978-12-29

► Season 16 - Click for episodes

Episode 1 Astrology - 1979-02-26
Episode 2 Unknown - 1979-03-05
Episode 3 Unknown - 1979-03-12
Episode 4 Unknown - 1979-03-19
Episode 5 Unknown - 1979-03-26
Episode 6 Unknown - 1979-04-02
Episode 7 Unknown - 1979-04-09
Episode 8 Unknown - 1979-04-23
Episode 9 Unknown - 1979-04-30
Episode 10 Unknown - 1979-05-07
Episode 11 Unknown - 1979-05-14
Episode 12 Unknown - 1979-05-21
Episode 13 Unknown - 1979-05-28
Episode 14 Unknown - 1979-09-24
Episode 15 Unknown - 1979-10-01
Episode 16 Unknown - 1979-10-08
Episode 17 Unknown - 1979-10-15
Episode 18 Unknown - 1979-10-22
Episode 19 Unknown - 1979-10-29
Episode 20 Unknown - 1979-11-05
Episode 21 Unknown - 1979-11-12
Episode 22 Unknown - 1979-11-19
Episode 23 Unknown - 1979-12-03
Episode 24 Unknown - 1979-12-10
Episode 25 Unknown - 1979-12-17

► Season 17 - Click for episodes

Episode 1 The Pleasure of Finding Things out - 1980-01-14
Episode 2 Unknown - 1980-01-21
Episode 3 Unknown - 1980-01-28
Episode 4 Unknown - 1980-02-04
Episode 5 Unknown - 1980-02-11
Episode 6 Unknown - 1980-02-18
Episode 7 Unknown - 1980-02-25
Episode 8 Unknown - 1980-03-03
Episode 9 Unknown - 1980-03-10
Episode 10 Unknown - 1980-03-17
Episode 11 Unknown - 1980-03-24
Episode 12 Unknown - 1980-09-01
Episode 13 Unknown - 1980-09-08
Episode 14 Unknown - 1980-09-15
Episode 15 Unknown - 1980-09-22
Episode 16 Unknown - 1980-09-29
Episode 17 Unknown - 1980-10-06
Episode 18 Unknown - 1980-10-13
Episode 19 Unknown - 1980-10-20
Episode 20 Unknown - 1980-10-27
Episode 21 Unknown - 1980-11-03
Episode 22 Unknown - 1980-11-10
Episode 23 Unknown - 1980-11-17
Episode 24 Unknown - 1980-11-24
Episode 25 Unknown - 1980-12-01
Episode 26 Unknown - 1980-12-15

► Season 18 - Click for episodes

Episode 1 Unknown - 1981-01-05
Episode 2 Unknown - 1981-01-12
Episode 3 Unknown - 1981-01-19
Episode 4 Unknown - 1981-01-26
Episode 5 Unknown - 1981-02-02
Episode 6 Unknown - 1981-02-09
Episode 7 Unknown - 1981-02-16
Episode 8 Unknown - 1981-03-02
Episode 9 Gentlemen, Lift Your Skirts - 1981-03-09
Episode 10 Unknown - 1981-03-16
Episode 11 Unknown - 1981-03-23
Episode 12 Unknown - 1981-03-30
Episode 13 Unknown - 1981-04-06
Episode 14 Unknown - 1981-04-11
Episode 15 Unknown - 1981-04-13
Episode 16 Unknown - 1981-09-20
Episode 17 Unknown - 1981-10-05
Episode 18 Unknown - 1981-10-12
Episode 19 Unknown - 1981-10-19
Episode 20 Unknown - 1981-10-26
Episode 21 Unknown - 1981-11-02
Episode 22 Unknown - 1981-11-09
Episode 23 Unknown - 1981-11-16
Episode 24 The Pleasure of Finding Things Out - 1981-11-23
Episode 25 Unknown - 1981-11-30
Episode 26 Unknown - 1981-11-30
Episode 27 Unknown - 1981-12-21

► Season 19 - Click for episodes

Episode 1 Unknown - 1982-01-11
Episode 2 Unknown - 1982-01-18
Episode 3 Unknown - 1982-01-25
Episode 4 Unknown - 1982-02-01
Episode 5 Unknown - 1982-02-08
Episode 6 Unknown - 1982-02-15
Episode 7 Unknown - 1982-02-22
Episode 8 Unknown - 1982-03-01
Episode 9 Unknown - 1982-03-08
Episode 10 Unknown - 1982-03-15
Episode 11 Unknown - 1982-03-22
Episode 12 Unknown - 1982-04-05
Episode 13 Unknown - 1982-10-11
Episode 14 Unknown - 1982-10-18
Episode 15 Unknown - 1982-10-25
Episode 16 Intimate Relations - 1982-11-01
Episode 17 Unknown - 1982-11-08
Episode 18 Unknown - 1982-11-15
Episode 19 Unknown - 1982-11-29
Episode 20 Unknown - 1982-12-06
Episode 21 Unknown - 1982-12-13
Episode 22 Unknown - 1982-12-20
Episode 23 Unknown - 1982-12-25

► Season 20 - Click for episodes

Episode 1 Unknown - 1983-01-10
Episode 2 Unknown - 1983-01-17
Episode 3 Unknown - 1983-01-24
Episode 4 Unknown - 1983-02-07
Episode 5 Unknown - 1983-02-14
Episode 6 Unknown - 1983-02-21
Episode 7 Unknown - 1983-02-28
Episode 8 Unknown - 1983-03-07
Episode 9 Unknown - 1983-03-14
Episode 10 Unknown - 1983-03-21
Episode 11 Unknown - 1983-04-11
Episode 12 Unknown - 1983-04-18
Episode 13 Unknown - 1983-04-25
Episode 14 Unknown - 1983-09-26
Episode 15 Unknown - 1983-10-03
Episode 16 Unknown - 1983-10-10
Episode 17 Unknown - 1983-10-17
Episode 18 The Cruel Choice - 1983-10-24
Episode 19 Unknown - 1983-10-31
Episode 20 Unknown - 1983-11-07
Episode 21 Unknown - 1983-11-14
Episode 22 Unknown - 1983-11-28
Episode 23 Unknown - 1983-12-05
Episode 24 Unknown - 1983-12-12

► Season 21 - Click for episodes

Episode 1 Season 21, Episode 01 - 1984-01-09
Episode 2 Season 21, Episode 02 - 1984-01-16
Episode 3 Season 21, Episode 03 - 1984-01-23
Episode 4 Season 21, Episode 04 - 1984-01-30
Episode 5 Season 21, Episode 05 - 1984-02-13
Episode 6 Season 21, Episode 06 - 1984-02-27
Episode 7 Season 21, Episode 07 - 1984-03-05
Episode 8 Season 21, Episode 08 - 1984-03-12
Episode 9 Season 21, Episode 09 - 1984-03-19
Episode 10 Season 21, Episode 10 - 1984-03-26
Episode 11 Season 21, Episode 11 - 1984-04-09
Episode 12 Season 21, Episode 12 - 1984-04-16
Episode 13 The Mind of a Murderer - The Mask of Madness - 1984-04-23
Episode 14 A Cruel Inheritance - 1984-04-30
Episode 15 The Malvern Link - 1984-05-07
Episode 16 Biology at War - The Mystery of Yellow Rain - 1984-05-15
Episode 17 Beyond the Moon - 1984-07-21
Episode 18 Biology at War - A Plague in the Wind - 1984-10-29
Episode 19 Contented Cows and Other Animals - 1984-11-05
Episode 20 Picking Winners - 1981-11-12
Episode 21 The Brain Puzzle - 1984-11-19
Episode 22 Global Village - 1984-11-26
Episode 23 Ivan - 1984-12-03
Episode 24 A Mathematical Mystery - 1984-12-10
Episode 25 Supercharged - The Grand Prix Car (1924 - 1939) - 1984-12-17

► Season 22 - Click for episodes

Episode 1 Season 22, Episode 01 - 1985-01-07
Episode 2 Season 22, Episode 02 - 1985-01-14
Episode 3 Season 22, Episode 03 - 1985-01-21
Episode 4 Season 22, Episode 04 - 1985-01-28
Episode 5 Season 22, Episode 05 - 1985-02-04
Episode 6 Season 22, Episode 06 - 1985-02-11
Episode 7 Season 22, Episode 07 - 1985-02-25
Episode 8 Season 22, Episode 08 - 1985-03-04
Episode 9 Season 22, Episode 09 - 1985-03-11
Episode 10 Season 22, Episode 10 - 1985-03-18
Episode 11 Season 22, Episode 11 - 1985-03-25
Episode 12 Season 22, Episode 12 - 1985-04-01
Episode 13 The Goddess of the Earth - 1985-04-15
Episode 14 IRAS - The Supercooled Eye - 1985-04-22
Episode 15 A Prize Discovery - 1985-04-29
Episode 16 Twenty-First Birthday - 1985-05-20
Episode 17 Halley's Comet - The Apparition - 1985-05-20

► Season 23 - Click for episodes

Episode 1 Nice Guys Finish First by Richard Dawkins - 1986-01-06
Episode 2 Season 23, Episode 02 - 1986-01-13
Episode 3 Season 23, Episode 03 - 1986-01-20
Episode 4 Season 23, Episode 04 - 1986-01-27
Episode 5 Season 23, Episode 05 - 1986-02-03
Episode 6 Season 23, Episode 06 - 1986-02-10
Episode 7 Season 23, Episode 07 - 1986-02-17
Episode 8 Season 23, Episode 08 - 1986-02-24
Episode 9 Season 23, Episode 09 - 1986-03-03
Episode 10 Season 23, Episode 10 - 1986-03-10
Episode 11 Season 23, Episode 11 - 1986-03-17
Episode 12 Season 23, Episode 12 - 1986-03-24
Episode 13 The Case of the Frozen Addict - 1986-04-07
Episode 14 Nice Guys Finish First - 1984-04-14
Episode 15 The Men Who Bottled a Cow - 1986-04-21
Episode 16 Twice Five Plus the Wings of a Bird - 1986-04-28
Episode 17 What Makes Animals Smart? - 1986-05-12
Episode 18 A Handfull of Sugar with a Pinch of Salt - 1986-05-19
Episode 19 Uranus Encounter - 1986-05-26
Episode 20 Who Built Stonehenge? - 1986-06-09
Episode 21 Battered Baby - From Generation to Generation - 1986-06-16
Episode 22 Battered Baby - Breaking the Chain - 1986-06-23
Episode 23 Doctors to Be - 1986-06-30

► Season 24 - Click for episodes

Episode 1 Season 24, Episode 01 - 1987-01-05
Episode 2 Season 24, Episode 02 - 1987-01-12
Episode 3 Season 24, Episode 03 - 1987-01-19
Episode 4 Season 24, Episode 04 - 1987-01-26
Episode 5 Season 24, Episode 05 - 1987-02-02
Episode 6 Season 24, Episode 06 - 1987-02-09
Episode 7 The Quest for Tannu Tuva - 1987-02-16
Episode 8 Season 24, Episode 08 - 1987-02-23
Episode 9 Season 24, Episode 09 - 1987-03-02
Episode 10 Season 24, Episode 10 - 1987-03-09
Episode 11 Season 24, Episode 11 - 1987-03-16
Episode 12 Season 24, Episode 12 - 1987-03-23
Episode 13 Broken Images - 1987-03-30
Episode 14 Trial Babies - 1987-04-06
Episode 15 After Chernobyl - Closer to Home - 1987-04-13
Episode 16 Life Story - 1987-04-27
Episode 17 Making Sex Pay - 1987-05-11
Episode 18 The Anthropic Principle - 1987-05-18
Episode 19 Aircrash - The Burning Issue - 1987-06-01
Episode 20 Riddle of the Joints - 1987-06-08
Episode 21 To Catch a Falling Star - 1987-06-15
Episode 22 In the Light of New Information - 1987-06-22
Episode 23 Janice's Choice - 1987-06-29

► Season 25 - Click for episodes

Episode 1 Black Schizophrenia - 1988-01-04
Episode 2 Season 25, Episode 01 - 1988-01-11
Episode 3 Season 25, Episode 02 - 1988-01-18
Episode 4 Season 25, Episode 04 - 1988-01-25
Episode 5 Season 25, Episode 05 - 1988-02-01
Episode 6 Season 25, Episode 06 - 1988-02-08
Episode 7 Season 25, Episode 07 - 1988-02-15
Episode 8 Season 25, Episode 08 - 1988-02-22
Episode 9 Season 25, Episode 09 - 1988-02-29
Episode 10 Season 25, Episode 10 - 1988-03-07
Episode 11 Season 25, Episode 11 - 1988-03-14
Episode 12 Season 25, Episode 12 - 1988-03-28
Episode 13 Easter Island - The Secrets - 1988-04-11
Episode 14 Easter Island - The Story - 1988-04-18
Episode 15 Doctors to Be - Trial by Interview - 1988-04-23
Episode 16 Doctors to Be - The Knowledge - 1988-04-24
Episode 17 Doctors to Be - Welcome to the Real World - 1988-04-25
Episode 18 Cancer at Bay - 1988-05-02
Episode 19 Traces of Murder - 1988-05-09
Episode 20 The Hope of Progress - 1988-05-16
Episode 21 A Newsday Revolution - 1988-05-23
Episode 22 A Good Test? - 1988-06-06
Episode 23 Superconductor - The Race for the Prize - 1988-06-13
Episode 24 Believe Me - 1988-06-27
Episode 25 The Quest for Tannu Tuva - 1988-07-04
Episode 26 The Diary of Discovery - 1988-09-28

► Season 26 - Click for episodes

Episode 1 Season 26, Episode 01 - 1989-01-09
Episode 2 Season 26, Episode 02 - 1989-01-16
Episode 3 Season 26, Episode 03 - 1989-01-23
Episode 4 From Earth To Miranda - 1989-01-30
Episode 5 Season 26, Episode 05 - 1989-02-06
Episode 6 Season 26, Episode 06 - 1989-02-13
Episode 7 Season 26, Episode 07 - 1989-02-20
Episode 8 Season 26, Episode 08 - 1989-02-27
Episode 9 Season 26, Episode 09 - 1989-03-06
Episode 10 Season 26, Episode 10 - 1989-03-13
Episode 11 Season 26, Episode 11 - 1989-03-20
Episode 12 Season 26, Episode 12 - 1989-04-03
Episode 13 A Wonderful Life - 1989-04-17
Episode 14 The Company Of Ants And Bees - 1989-04-24
Episode 15 Jubilee - 1989-05-08
Episode 16 Crash - 1989-05-15
Episode 17 The New Sixth Sense - 1989-05-22
Episode 18 Clive Sinclair - The Anatomy of an Inventor - 1989-06-12
Episode 19 Newpin - A Lifetime - 1989-06-19
Episode 20 Time of Darkness - 1989-06-26

► Season 27 - Click for episodes

Episode 1 Of Big Bangs Stick Men and Galactic Holes - 1990-01-08
Episode 2 Red Star in Orbit: The Invisible Spaceman - 1990-01-15
Episode 3 Red Star in Orbit: The Dark Side of the Moon - 1990-01-22
Episode 4 Red Star in Orbit: The Mission - 1990-01-29
Episode 5 The Curse of Karash - 1990-02-05
Episode 6 Season 27, Episode 06 - 1990-02-12
Episode 7 Season 27, Episode 07 - 1990-02-19
Episode 8 Season 27, Episode 08 - 1990-03-05
Episode 9 Season 27, Episode 09 - 1990-03-12
Episode 10 Season 27, Episode 10 - 1990-03-19
Episode 11 Season 27, Episode 11 - 1990-03-26
Episode 12 Season 27, Episode 12 - 1990-04-02
Episode 13 The Sharpest Show of the Universe - 1990-04-09
Episode 14 The Company of Ants and Bees - 1990-04-23
Episode 15 The Intelligent Island - 1990-04-30
Episode 16 Legacy of a Volcano - 1990-05-14
Episode 17 Do Cows Make You Mad? - 1990-05-21
Episode 18 The Child Mothers - 1990-06-04
Episode 19 Making an Honest Fiver - 1990-06-06
Episode 20 Signs of Life - 1990-06-11
Episode 21 AIDS - A Quest for a Cure - 1990-06-25
Episode 22 Red Star in Orbit - The Invisible Spaceman - 1990-12-07
Episode 23 Red Star in Orbit - The Dark Side of the Moon - 1990-12-14
Episode 24 Red Star in Orbit - The Mission - 1990-12-21

► Season 28 - Click for episodes

Episode 1 Season 28, Episode 01 - 1991-01-07
Episode 2 Season 28, Episode 02 - 1991-01-14
Episode 3 Season 28, Episode 03 - 1991-01-21
Episode 4 Season 28, Episode 04 - 1991-01-28
Episode 5 Season 28, Episode 05 - 1991-02-04
Episode 6 Season 28, Episode 06 - 1991-02-11
Episode 7 Season 28, Episode 07 - 1991-02-18
Episode 8 Season 28, Episode 08 - 1991-02-25
Episode 9 Season 28, Episode 09 - 1991-03-04
Episode 10 Season 28, Episode 10 - 1991-03-11
Episode 11 Season 28, Episode 11 - 1991-03-18
Episode 12 Season 28, Episode 12 - 1991-03-25
Episode 13 The First Americans - 1991-04-15
Episode 14 Inside Chernobyl Sarcophagus - 1991-04-22
Episode 15 Colonizing Cyberspace - 1991-04-29
Episode 16 Emerging Viruses - 1991-05-13
Episode 17 Camelford - A Bitter Aftertaste - 1991-05-20
Episode 18 Of Big Bangs, Stick Men, and Galactic Holes - 1991-06-03
Episode 19 Food for Thought - 1991-06-10
Episode 20 The Long Road to the West - 1991-06-17
Episode 21 Half-Hearted About Semi-Skimmed - 1991-06-24
Episode 22 T-Rex Exposed - 1991-07-01

► Season 29 - Click for episodes

Episode 1 Season 29, Episode 01 - 1992-01-06
Episode 2 Season 29, Episode 02 - 1992-01-13
Episode 3 Here Be Monsters - 1992-01-20
Episode 4 Season 29, Episode 05 - 1992-01-27
Episode 5 Malaria - Battle of the Merozoites - 1992-02-03
Episode 6 Season 29, Episode 06 - 1992-02-17
Episode 7 Season 29, Episode 07 - 1992-02-24
Episode 8 Season 29, Episode 08 - 1992-03-02
Episode 9 Season 29, Episode 09 - 1992-03-09
Episode 10 Season 29, Episode 10 - 1992-03-16
Episode 11 Season 29, Episode 11 - 1992-03-30
Episode 12 Season 29, Episode 12 - 1992-04-06
Episode 13 The Man Who Moved Mountains - 1992-04-13
Episode 14 Iceman - 1992-04-27
Episode 15 Taking the Credit - 1992-05-11
Episode 16 Fast Food in the Food Chain - 1992-05-18
Episode 17 Dodging Doomsday - 1992-06-01
Episode 18 A Question of Sport... - 1992-06-08
Episode 19 Genes R Us - 1992-06-15
Episode 20 A Close Encounter of the Second Kind - 1992-07-10
Episode 21 Hide and Seek in Iraq - 1992-08-23
Episode 22 The Truth About Sex - 1992-12-03

► Season 30 - Click for episodes

Episode 1 Season 30, Episode 01 - 1993-01-04
Episode 2 Season 30, Episode 02 - 1993-01-11
Episode 3 Season 30, Episode 03 - 1993-01-18
Episode 4 Season 30, Episode 04 - 1993-01-25
Episode 5 Season 30, Episode 05 - 1993-02-01
Episode 6 Season 30, Episode 06 - 1993-02-08
Episode 7 Season 30, Episode 07 - 1993-02-15
Episode 8 Season 30, Episode 08 - 1993-02-22
Episode 9 Season 30, Episode 09 - 1993-03-01
Episode 10 Season 30, Episode 10 - 1993-03-08
Episode 11 Season 30, Episode 11 - 1993-03-15
Episode 12 Season 30, Episode 12 - 1993-03-22
Episode 13 Dante Goes to Hell - 1993-03-29
Episode 14 Ghosts in the Dinosaur Graveyard - 1993-04-05
Episode 15 The New Alchemists - 1993-04-19
Episode 16 Allergic to the Twentieth Century - 1993-05-10
Episode 17 Wot U Looking At? - 1993-05-24
Episode 18 The Electronic Frontier - 1993-06-07
Episode 19 A Vital Poison - 1993-06-14
Episode 20 Chimp Talk - 1993-06-21
Episode 21 Life is Impossible - 1993-06-28
Episode 22 Assault on the Male - 1993-10-31

► Season 31 - Click for episodes

Episode 1 Season 31, Episode 01 - 1994-01-10
Episode 2 Season 31, Episode 02 - 1994-01-17
Episode 3 Season 31, Episode 03 - 1994-01-24
Episode 4 Season 31, Episode 04 - 1994-01-31
Episode 5 Season 31, Episode 05 - 1994-02-07
Episode 6 Season 31, Episode 06 - 1994-02-14
Episode 7 Season 31, Episode 07 - 1994-02-28
Episode 8 Season 31, Episode 08 - 1994-03-07
Episode 9 Season 31, Episode 09 - 1994-03-14
Episode 10 Season 31, Episode 10 - 1994-03-21
Episode 11 Season 31, Episode 11 - 1994-03-28
Episode 12 Farewell Fantastic Venus - 1994-04-18
Episode 13 Against the Clock - 1994-04-25
Episode 14 Auschwitz - The Blueprint of Genocide - 1994-05-09
Episode 15 Ulcer Wars - 1994-05-16
Episode 16 30th Anniversary - The Far Side - 1994-05-23
Episode 17 Foetal Attraction - 1994-11-07
Episode 18 Whispers of Creation - 1994-11-14
Episode 19 The Predator - 1994-11-21
Episode 20 Close Encounters - 1994-11-28
Episode 21 Orange Sherbert Kisses - 1994-12-12
Episode 22 Designer Wines - 1994-12-19

► Season 32 - Click for episodes

Episode 1 Fallout From Chernobyl - 1995-01-09
Episode 2 Einstein: Miracle Year - 1995-01-16
Episode 3 Noah's Flood - 1995-01-23
Episode 4 Molecules with Sunglasses - 1995-01-30
Episode 5 The Time Lords - 1995-02-14
Episode 6 Ice Mummies Part 1 - 1995-02-20
Episode 7 Ice Mummies Part 2 - 1995-02-27
Episode 8 Ice Mummies Part 3 - 1995-03-06
Episode 9 Fermat's Last Theorem - 1995-03-13
Episode 10 Season 32, Episode 10 - 1995-03-20
Episode 11 Season 32, Episode 11 - 1995-03-27
Episode 12 Season 32, Episode 12 - 1995-04-03
Episode 13 Cracks in the Crust - 1995-04-10
Episode 14 Hearing Voices - 1995-04-24
Episode 15 Liar - 1995-10-30
Episode 16 The Human Laboratory - 1995-11-06
Episode 17 Nanotopia - 1995-11-13
Episode 18 Hunt for the Doomsday Asteroid (Update) - 1995-11-20
Episode 19 A Code in the Nose - 1995-11-27
Episode 20 AIDS - Behind Closed Doors - 1995-12-04
Episode 21 The Runaway Mountain - 1995-12-11

► Season 33 - Click for episodes

Episode 1 Antarctica - 1996-01-08
Episode 2 Dawn of The Clone Age - 1996-01-15
Episode 3 Fermat's Last Theorem - 1996-01-22
Episode 4 The Man Who Lost His Body - 1996-01-29
Episode 5 Out of Asia - 1996-02-05
Episode 6 Season 33, Episode 06 - 1996-02-12
Episode 7 Season 33, Episode 07 - 1996-02-26
Episode 8 Season 33, Episode 08 - 1996-03-04
Episode 9 Season 33, Episode 09 - 1996-03-11
Episode 10 Season 33, Episode 10 - 1996-03-17
Episode 11 Season 33, Episode 11 - 1996-03-18
Episode 12 Season 33, Episode 12 - 1996-03-25
Episode 13 Psychedelic Science By Bill Eagles - 1996-04-01
Episode 14 The Science of Star Trek - 1996-08-26
Episode 15 TV is Dead, Long Live TV - 1996-11-02
Episode 16 Aliens from Mars - 1996-11-11
Episode 17 BSE - The Invisible Enemy - 1996-11-17
Episode 18 BSE - The Human Experiment - 1996-11-18
Episode 19 Living Death - 1996-11-25
Episode 20 The Time Lords - 1996-12-02
Episode 21 Noah's Flood - 1996-12-16

► Season 34 - Click for episodes

Episode 1 The Gulf War Jigsaw - 1997-01-30
Episode 2 Season 34, Episode 02 - 1997-02-06
Episode 3 Season 34, Episode 03 - 1997-02-13
Episode 4 Psychedelic Science - 1997-02-27
Episode 5 Season 34, Episode 05 - 1997-03-06
Episode 6 Season 34, Episode 06 - 1997-03-13
Episode 7 Season 34, Episode 07 - 1997-03-20
Episode 8 Season 34, Episode 08 - 1997-03-27
Episode 9 Season 34, Episode 09 - 1997-04-03
Episode 10 Season 34, Episode 10 - 1997-04-17
Episode 11 Season 34, Episode 11 - 1997-04-24
Episode 12 Season 34, Episode 12 - 1997-05-01
Episode 13 Computers Don't Bite - Inside the Internet - 1997-05-17
Episode 14 Destination Mars - 1997-07-04
Episode 15 Mars - Death or Glory? - 1997-07-05
Episode 16 Crater of Death - 1997-09-11
Episode 17 Mind Over Body - 1997-09-18
Episode 18 Out of Asia - 1997-09-25
Episode 19 The Virus That Cures - 1997-10-09
Episode 20 The Man Who Lost His Body - 1997-10-16
Episode 21 Dawn of the Clone Age - 1997-10-23
Episode 22 Antarctica - The Ice Lives - 1997-10-30
Episode 23 Antarctica - The Ice Forms - 1997-11-06
Episode 24 Antarctica - The Ice Melts - 1997-11-13

► Season 35 - Click for episodes

Episode 1 Atlantis Uncovered - 1998-01-08
Episode 2 Atlantis Reborn - 1998-02-19
Episode 3 Mistaken Identity - 1998-02-26
Episode 4 Volcanoes of the Deep - 1998-03-05
Episode 5 Anatomy of an Avalanche - 1998-03-19
Episode 6 The Midas Formula - 1998-03-26
Episode 7 Season 35, Episode 07 - 1998-04-02
Episode 8 The Curse of Vesuvius - 1998-04-16
Episode 9 Mir Mortals - 1998-04-23
Episode 10 The Computer that Ate Hollywood - 1998-04-30
Episode 11 Magic Bullet - 1998-05-07
Episode 12 The Gulf War Jigsaw - 1998-05-14
Episode 13 Sexual Chemistry - 1998-09-10
Episode 14 Chimps on Death Row - 1998-10-01
Episode 15 Dinosaurs in Your Garden - 1998-10-08
Episode 16 Mosquito! - 1998-10-15
Episode 17 The Life and Times of Life and Time - 1998-10-22
Episode 18 Thalidomide: A Necessary Evil - 1998-10-29
Episode 19 Beyond a Joke - 1998-11-05

► Season 36 - Click for episodes

Episode 1 Longitude - 1999-01-04
Episode 2 The Fat Files - Born to be Fat - 1999-01-07
Episode 3 The Lost World of Lake Vostok - 1999-01-14
Episode 4 The Fat Files - Living on Air - 1999-01-21
Episode 5 Breath of Life - 1999-01-28
Episode 6 The Lost City of Nasca - 1999-02-04
Episode 7 The Diamond Makers - 1999-02-11
Episode 8 Supervolcanoes - 1999-02-18
Episode 9 Miracle in Orbit - 1998-02-25
Episode 10 Complete Obsession - 1999-03-11
Episode 11 Is GM Safe? - 1999-03-18
Episode 12 Is GM Safe? - 1999-03-25
Episode 13 Planet Hunters Part I - 1999-08-01
Episode 14 Moon Children - 1999-10-28
Episode 15 Atlantis Reborn Again - 1999-11-04
Episode 16 Mistaken Identity - 1999-11-11
Episode 17 Volcanoes of the Deep - 1999-11-18
Episode 18 Anatomy of an Avalanche - 1999-11-25
Episode 19 The Midas Formula - 1999-12-02
Episode 20
Episode 21

► Season 37 - Click for episodes

Episode 1 Life and Death in the 21st Century - Living Forever - 2000-01-04
Episode 2 Conjoined Twins - 2000-01-05
Episode 3 Life and Death in the 21st Century - Designer Babies - 2000-01-06
Episode 4 Vanished: The Plane That Disappeared - 2000-01-13
Episode 5 Secret Treasures of Zeugma - 2000-01-20
Episode 6 The Valley of Life or Death - 2000-01-27
Episode 7 Extreme Dinosaurs - 2000-02-03
Episode 8 Supermassive Black Holes - 2000-02-10
Episode 9 Boy Who Was Turned Into a Girl - 2000-02-17
Episode 10 Is GM Safe? - 2000-03-09
Episode 11 Life on Mars - 2000-03-16
Episode 12 Destination Mars - 2000-03-30
Episode 13 The Mystery of the Miami Circle - 2000-04-04
Episode 14 The Missing Link - 2000-06-10
Episode 15 Killer Algae - 2000-06-27
Episode 16 Ecstasy and Agony - 2000-10-12
Episode 17 Snowball Earth - 2000-10-19
Episode 18 Taming the Problem Child - 2000-10-26
Episode 19 What Sank the Kursk? - 2000-11-02
Episode 20 The Secret Treasures of Zeugma - 2000-11-09
Episode 21 The Valley of Life or Death - 2000-11-16
Episode 22 Extreme Dinosaurs - The Science of Giants - 2000-11-23
Episode 23 Supermassive Black Holes - 2000-11-30
Episode 24 The Boy who was Turned into a Girl - 2000-12-07

► Season 38 - Click for episodes

Episode 1 The Mystery of the Persian Mummy - 2001-01-11
Episode 2 The Ape That Took Over the World - 2001-01-18
Episode 3 Life Blood - 2001-01-25
Episode 4 The Lost Pyramids of Caral - 2001-02-01
Episode 5 Cloning the First Human - 2001-02-08
Episode 6 Helike - The Real Atlantis - 2001-02-15
Episode 7 Volcano Hell - 2001-02-22
Episode 8 Fatbusters - 2001-03-08
Episode 9 The Lost Pyramids of Caral - 2001-08-08
Episode 10 Death of the Iceman - 2001-09-20
Episode 11
Episode 12 The Dinosaur that Fooled the World - 2001-10-11
Episode 13 Fall of the World Trade Centre - 2001-10-18
Episode 14 Archimedes' Secret - 2001-10-25
Episode 16 Homeopathy The Test - 2002-11-26
Episode 17
Episode 18
Episode 22
Episode 23
Episode 24
Episode 28
Episode 29 Flight 587 - 2003-05-08
Episode 36

► Season 39 - Click for episodes

Episode 1 Freak Wave - 2002-01-10
Episode 2 Stone Age Columbus - 2004-01-15
Episode 3 Homeopathy: The Test - 2002-01-24
Episode 4 The Day the Earth Nearly Died - 2002-01-31
Episode 5 Secret of El Dorado - 2002-02-07
Episode 6 The Mystery of Easter Island - 2002-02-14
Episode 7 Living Nightmare - 2002-02-21
Episode 8 Averting Armageddon - 2002-03-07
Episode 9 Dirty Bomb - 2002-03-14
Episode 10 Sexual Chemistry - 2002-03-21
Episode 11 The Day We Learned to Think - 2002-04-04
Episode 12 Trial and Error - 2002-05-16
Episode 13 Earthquake Storms - 2002-05-23
Episode 14 Horizon Revisited: A Tale of Two Feathers - 2002-10-18
Episode 15 The Secret Lives of Caves - 2002-10-25
Episode 16 God on the Brain - 2002-11-14
Episode 17 Flight 587 - 2002-11-21
Episode 18 SARS: The True Story - 2002-11-28
Episode 19 Horizon Revisited: Back to the Dark Ages - 2002-11-29
Episode 20 The Day the Earth Nearly Died - 2002-12-05
Episode 21 Horizon Revisited: Dawn of the Dinosaurs - 2002-12-12
Episode 22 The Secret of El Dorado - 2002-12-19

► Season 40 - Click for episodes

Episode 1 The Big Chill - 2003-01-09
Episode 2 The Bible Code - 2003-01-16
Episode 3 Last Flight of the Columbia - 2003-01-23
Episode 4 The Hunt for the AIDS Vaccine - 2003-01-30
Episode 5 Perry Pilcher's Flying Machine - 2003-02-13
Episode 6 Time Trip - 2003-02-20
Episode 7 Demonic Ape - 2003-02-27
Episode 8 The Moscow Theatre Siege - 2003-02-27
Episode 9 The Atkins Diet - 2003-03-06
Episode 10 Secrets of the Star Disc - 2003-03-13
Episode 11 The Dark Secret of Hendrik Schön - 2003-03-20
Episode 12 Thalidomide: A Second Chance? - 2003-03-27
Episode 13 The Diamond Labs - 2003-04-03
Episode 14 T-Rex: Warrior or Wimp? - 2003-04-17
Episode 15 Project Poltergeist - 2003-05-08
Episode 16 The Truth of Troy - 2003-05-29
Episode 17 The Big Chill - 2003-11-13
Episode 18 The Bible Code - 2003-11-20
Episode 19 Last Flight of the Columbia - 2003-11-27
Episode 20 The Hunt for the AIDS Vaccine - 2003-12-04
Episode 21 Percy Pilcher's Flying Machine - 2003-12-11
Episode 22 Time Trip - 2003-12-18

► Season 41 - Click for episodes

Episode 1 The Truth About Vitamins - 2004-01-08
Episode 2 King Solomon's Tablet Of Stone - 2004-01-15
Episode 3 Derek Tastes of Earwax - 2004-01-22
Episode 4 What Really Killed the Dinosaurs? - 2004-01-29
Episode 5 Making Millions the Easy Way - 2004-02-05
Episode 6 Saturn: Lord of the Rings - 2004-02-12
Episode 7 The Hunt for the Supertwister - 2004-03-04
Episode 8 Dr Money and the Boy with No Penis - 2004-03-11
Episode 9 Global Dimming - 2004-03-18
Episode 10 Einstein's Unfinished Symphony - 2004-03-25
Episode 11 Einstein's Equation of Life and Death - 2004-07-23
Episode 12 Living with ADHD - 2004-09-16
Episode 13 Neanderthal - 2004-09-22
Episode 14 An Experiment to Save The World - 2004-09-30
Episode 15 Who's Afraid of Designer Babies - 2004-10-07
Episode 16 The Lost Civilisation of Peru - 2004-10-14
Episode 17 The Next Megaquake - 2004-10-21
Episode 18 Does The MMR Jab Cause Autism - 2004-10-28
Episode 19 Malaria: Defeating The Curse - 2004-11-04

► Season 42 - Click for episodes

Episode 1 Tsunami: Naming The Dead - 2005-01-13
Episode 2 The Hawking Paradox - 2005-01-20
Episode 3 The Mystery of the Human Hobbit - 2005-01-27
Episode 4 The Doctor Who Makes People Walk Again? - 2005-03-03
Episode 5 Could Fish Make My Child Smart? - 2005-02-10
Episode 6 Madagascar: A Treetop Odyssey - 2005-02-17
Episode 7 Titan: A Place Like Home - 2005-02-24
Episode 8 The 7-7 Bombers: A Psychological Investigation - 2005-03-03
Episode 9 The Ghost in Your Genes - 2005-05-22
Episode 10 The Life and Times of El Nino - 2005-05-29
Episode 11 Space Tourists - 2005-06-05
Episode 12 Waiting for a Heartbeat - 2005-09-08
Episode 13 The Hawking Paradox - 2005-09-15
Episode 14 The Lost City of New Orleans - 2005-09-22
Episode 15 Most of Our Universe Is Missing - 2005-09-29
Episode 16 The Woman Who Thinks Like a Cow - 2005-10-06
Episode 17 The Genius Sperm Bank - 2005-10-13
Episode 18 Bye Bye Planet Pluto - 2005-10-20
Episode 19 We Love Cigarettes - 2005-10-27
Episode 20 Nuclear Nightmares - 2005-11-03

► Season 43 - Click for episodes

Episode 0 Placeholder - 1969-12-31
Episode 1 Survivors Guide to Plane Crashes - 2006-10-03
Episode 2 Chimps are People too - 2006-01-12
Episode 3 The World's first Face Transplant - 2006-01-19
Episode 4 Human Version 2.0 - 2006-01-26
Episode 5 The Great Robot Race - 2006-02-02
Episode 6 Pandemic - 2006-02-09
Episode 7 We Are the Aliens - 2006-03-18
Episode 8 The Woman Who Thinks Like a Cow - 2006-06-08
Episode 9 The Genius Sperm Bank - 2006-06-15
Episode 10 Bye Bye Planet Pluto - 2006-06-22
Episode 11 We Love Cigarettes - 2006-06-29
Episode 12 Nuclear Nightmares - 2006-07-13
Episode 13 Tutankhamun's Fireball - 2006-07-20
Episode 14 Survivers Guide to Plane Crashes - 2006-10-03
Episode 15 Chimps Are People Too - 2007-05-01
Episode 16 The World's First Face Transplant - 2006-10-17
Episode 17 Human v2.0 - 2006-10-24
Episode 18 The Great Robot Race - 2006-10-31
Episode 19 Pandemic - 2006-11-07
Episode 20 We are the Aliens - 2006-11-14

► Season 44 - Click for episodes

Episode 1 My Pet Dinosaur - 2007-03-13
Episode 2 The Elephant's Guide To Sex - 2007-03-20
Episode 3 Prof Regan's Beauty Palour - 2008-01-15
Episode 4 Mad But Glad - 2008-01-22
Episode 5 Moon For Sale - 2008-01-29
Episode 6 Battle Of The Brains - 2008-02-05
Episode 7 Skyscraper Fire Fighters - 2007-04-24
Episode 8 The Six Billion Dollar Experiment - 2008-02-19
Episode 9 How To Commit The Perfect Murder - 2008-02-26
Episode 10 Professor Regan's Supermarket Secrets - 2007-09-23
Episode 11 Everest: - Doctors in the Death Zone (Part 2) - 2007-09-30
Episode 12 How Does Your Memory work? - 2008-03-25
Episode 13 Episode 13 - 2008-09-16
Episode 14 How to Make Better Decisions - 2008-02-20

► Season 45 - Click for episodes

Episode 0 Episode Placeholder - 1969-12-31
Episode 1 How to Kill a Human Being - 2008-01-15
Episode 2 Total Isolation - 2008-01-22
Episode 3 What On Earth Is Wrong With Gravity? - 2008-11-25
Episode 4 Is Alcohol Worse than Ecstasy? - 2008-12-02
Episode 5 How to Make Better Decisions - 2008-12-09
Episode 6 How to Live to 101 - 2008-12-16
Episode 7 Are we Alone in the Universe? - 2008-02-26
Episode 8 How Much is Your Dead Body Worth? - 2008-03-04
Episode 9 How Does Your Memory Work? - 2008-03-18
Episode 10 How Does your Memory Work?
Episode 12 How Mad Are You? (Part 1) - 2008-11-11
Episode 13 How Mad Are You? (Part 2) - 2008-11-18
Episode 14 How To Survive A Disaster - 2012-08-12

► Season 46 - Click for episodes

Episode 0
Episode 1 The President's Guide To Science - 2008-09-16
Episode 2 How Mad Are You? (Part 1) - 2008-11-11
Episode 3 How Mad Are You? (Part 2) - 2008-11-18
Episode 4 Jimmy's GM Food Fight - 2008-11-25
Episode 5 Do You Know What Time It Is? - 2008-12-02
Episode 6 Allergy Planet - 2008-12-09
Episode 7 Where's My Robot? - 2008-12-16
Episode 12 To Infinity and Beyond
Episode 14 Did Cooking Make Us Human - 2010-03-02
Episode 100 Lost Horizons: The Big Bang - 2008-09-04
Episode 101 The Big Bang Machine - 2008-09-04

► Season 47 - Click for episodes

Episode 1 Why Are Thin People Not Fat? - 2009-01-26
Episode 2 Cannabis: The Evil Weed? - 2009-02-03
Episode 3 Why Do We Dream? - 2009-02-10
Episode 4 Can We Make a Star on Earth? - 2009-02-17
Episode 5 The Secret Life of Your Bodyclock - 2009-02-24
Episode 6 What's the Problem with Nudity? - 2009-03-03
Episode 7 How to Survive a Disaster - 2009-03-10
Episode 8 Who Do You Want Your Child to Be? - 2009-03-17
Episode 9 Why Can't We Predict Earthquakes? - 2009-03-24
Episode 10 Alan and Marcus Go Forth and Multiply - 2009-03-31
Episode 11 How Violent Are You? - 2009-05-12
Episode 12 Mars: A horizon Guide
Episode 13 Battle of the Brains - 2007-04-17
Episode 15 Predators in Your Backyard - 2011-03-08

► Season 48 - Click for episodes

Episode 1 Do I Drink too Much? - 2009-10-13
Episode 2 The Secret You - 2009-10-20
Episode 3 Fix Me - 2009-10-27
Episode 4 Who's Afraid of a Big Black Hole? - 2009-11-03
Episode 5 Why Do We Talk? - 2009-11-10
Episode 6 How Long is a Piece of String? - 2009-11-17
Episode 7 How Many People Can Live on Planet Earth? - 2009-12-09
Episode 8 The Secret Life of the Dog - 2010-01-06
Episode 9 Why Do Viruses Kill? - 2010-01-13
Episode 10 Pill Poppers - 2010-01-20
Episode 11 Don't Grow Old - 2010-02-03
Episode 12 To Infiity and Beyond - 2010-02-10
Episode 13 What Makes a Genius? - 2010-02-17
Episode 14 Did Cooking Make Us Human? - 2010-03-02
Episode 15 Is Everything We Know About The Universe Wrong? - 2010-03-09
Episode 100 40 Years on the Moon - 2009-07-09
Episode 101 Pandemic: A Horizon Guide - 2009-08-09
Episode 102 Mars: A Horizon Guide - 2009-11-15
Episode 103 Diet: A Horizon Guide - 2010-01-07

► Season 49 - Click for episodes

Episode 1 Back from the Dead - 2010-09-27
Episode 2 The Death of the Oceans? - 2010-10-04
Episode 3 What Happened Before the Big Bang? - 2010-10-11
Episode 4 Is Seeing Believing? - 2010-10-18
Episode 5 A Miracle Cure? A Decade of the Human Genome - 2010-10-25
Episode 6 Asteroids - The Good, the Bad and the Ugly - 2010-11-03
Episode 7 Deepwater Disaster: The Untold Story - 2010-11-16
Episode 8 What is One Degree? - 2011-01-17
Episode 9 What Is Reality? - 2011-01-10
Episode 10 Science Under Attack - 2011-01-24
Episode 11 The Secret World of Pain - 2011-01-31
Episode 12 Surviving a Car Crash - 2011-02-07
Episode 13 How to Mend a Broken Heart - 2011-02-14
Episode 14 Are We Still Evolving? - 2011-03-01
Episode 15 Predators in the Backyard - 2011-03-08
Episode 16 Swallowed by a Black - 2013-06-26
Episode 100 The End of God? A Horizon Guide to Science & Religion - 2010-09-21
Episode 101 What Makes Us Clever? A Horizon Guide to Intelligence - 2011-01-06
Episode 102 Japan Earthquake; A Horizon Special - 2011-03-27
Episode 103 The Space Shuttle: A Horizon Guide - 2011-04-10
Episode 104 The End of the World? A Horizon Guide to Armageddon - 2011-04-17

► Season 50 - Click for episodes

Episode 1 What Is One Degree? - 2011-01-10
Episode 2 Stars & Telescopes - 2011-08-15
Episode 3 The Nine Months that Made You - 2011-08-23
Episode 4 The Core
Episode 5 Are You Good or Evil?
Episode 6
Episode 7
Episode 8 The Truth About Exercise - 2012-02-28
Episode 9 Solar Storms - The Threat to Planet Earth - 2012-03-06
Episode 10 s10 - 2012-03-13
Episode 11 The Truth About Fat - 2012-03-22
Episode 12 Global Weirding - 2012-03-27
Episode 13 The Hunt for AI - 2012-04-03
Episode 14 Beating Cancer - 2012-04-10
Episode 20 Special - The Transit Of Venus

► Season 51 - Click for episodes

Episode 1 The Truth About Looking Young - 2012-07-23
Episode 2 Mission to Mars - 2012-07-31
Episode 3 Eat, Fast and Live Longer - 2012-08-06
Episode 4 How Big Is the Universe? - 2012-08-27
Episode 5 How Small Is the Universe? - 2012-09-03
Episode 6 Antibiotics - 2012-09-10
Episode 30 Special Mission To Mars
Episode 100 The Final Frontier? A Horizon Guide to the Universe - 2012-10-17

► Season 52 - Click for episodes

Episode 1 The Truth About Meteors: A Horizon Special - 2013-03-16
Episode 2 The Creative Brain: How Insight Works - 2013-03-14
Episode 3 Mend Me: A Horizon Guide to Transplants - 2013-03-21
Episode 4 The Truth About Taste - 2013-03-28
Episode 5 Mend Me: A Horizon Guide to Transplants - 2013-03-27
Episode 6 The Age of Big Data - 2013-04-04
Episode 7 Tomorrow's World - 2013-04-11
Episode 8 The Secret Life of the Cat - 2013-06-13
Episode 9 Little Cat Diaries - 2013-06-13
Episode 10 Fracking - The New Energy Rush - 2013-06-19
Episode 11 Swallowed by a Black Hole - 2013-06-26
Episode 12 What Makes Us Human? - 2013-07-03
Episode 13 The Truth About Personality - 2013-07-10
Episode 14 What's Killing Our Bees - 2013-08-02
Episode 15 Monitor Me - 2013-08-12
Episode 16 Defeating the Hackers - 2013-08-19
Episode 17 Dinosaurs - The Hunt for Life - 2013-08-26
Episode 18 Comet of the Century - 2013-11-23
Episode 100 Sex: A Horizon Guide - 2013-09-11
Episode 101 Impact! A Horizon Guide to Car Crashes - 2013-10-21
Episode 102 Impact! A Horizon Guide to Plane Crashes

► Season 53 - Click for episodes

Episode 1 Sugar v Fat - 2014-01-29
Episode 2 Swallowed by a Sink Hole - 2014-02-03
Episode 3 Man on Mars: Mission to the Red Planet - 2014-02-10
Episode 4 The Power of the Placebo - 2014-02-17
Episode 5 How You Really Make Decisions - 2014-02-24
Episode 6 Living with Autism - 2014-04-01
Episode 7 The £10 Million Challenge - 2014-05-22
Episode 8 Where Is Flight MH370? - 2014-06-17
Episode 9 What's Wrong with Our Weather? - 2014-07-18
Episode 10 Should I Eat Meat? - The Big Health Dilemma - 2014-08-18
Episode 11 Should I Eat Meat? - How To Feed the Planet - 2014-08-20
Episode 12 Allergies: Modern Life and Me - 2014-08-27
Episode 13 Inside the Dark Web - 2014-09-03
Episode 14 Ebola: The Search for a Cure - 2014-09-09
Episode 15 Is Your Brain Male or Female? - 2014-09-29
Episode 16 coming soon !!!

► Season 55 - Click for episodes

Episode 16 S55E16
Episode 17 S55E17

► Season 2000 - Click for episodes

Episode 5 Miracle In Orbit - 2000-02-10
Episode 13 The Lost World of Lake Vostok - 2000-10-26
Episode 15 The Secret Treasures of Zeugma - 2000-11-09
Episode 18 Supermassive Black Holes - 2000-11-30

► Season 2001 - Click for episodes

Episode 1 The Mystery of the Miami Circle - 2001-01-25
Episode 2 The Missing Link - 2001-02-01
Episode 3 Killer Algae - 2001-02-08
Episode 5 Snowball Earth - 2001-02-22
Episode 8 The Ape that Took Over the World - 2001-10-04
Episode 10 The Death Star - 2001-10-18
Episode 11 Cloning the First Human - 2001-10-25

► Season 2002 - Click for episodes

Episode 1 Helike - The Real Atlantis - 2002-01-10
Episode 2 Volcano Hell - 2002-01-17
Episode 4 The Lost Pyramids of Caral - 2002-01-31
Episode 5 Death of the Iceman - 2002-02-07
Episode 6 Parallel Universes - 2002-02-14
Episode 7 The Dinosaur that Fooled the World - 2002-02-21
Episode 8 The Fall of the World Trade Center - 2002-03-07
Episode 9 Archimedes' Secret - 2002-03-14
Episode 10 The Mystery of the Jurassic - 2002-03-28
Episode 11 Killer Lakes - 2002-04-04
Episode 12 The A6 Murder - 2002-05-16
Episode 14 Freak Wave - 2002-11-14
Episode 15 Stone Age Columbus - 2002-11-21
Episode 16 Homeopathy: The Test - 2002-11-26
Episode 17 The Day the Earth Nearly Died - 2002-12-05
Episode 18 The Secret of El Dorado - 2002-12-19

► Season 2003 - Click for episodes

Episode 1 The Mystery Of Easter Island - 2003-01-09
Episode 3 Averting Armageddon - 2003-01-23
Episode 4 Dirty Bomb - 2003-01-30
Episode 6 The Day We Learned To Think - 2003-02-20
Episode 7 Trial and Error - 2003-02-27
Episode 8 Earthquake Storms - 2003-03-06
Episode 9 Life On Mars (Update) - 2003-03-27
Episode 10 The Secret Life Of Caves - 2003-04-03
Episode 11 God On The Brain - 2003-04-17
Episode 12 Flight 587 - 2003-05-08
Episode 13 SARS: The True Story - 2003-05-29
Episode 14 The Big Chill - 2003-11-13
Episode 15 The Bible Code - 2003-11-20
Episode 16 Last Flight of the Columbia - 2003-11-27
Episode 18 Percy Pilcher's Flying Machine - 2003-12-11
Episode 19 Time Trip - 2003-12-18

► Season 2004 - Click for episodes

Episode 2 The Moscow Theatre Siege - 2004-01-15
Episode 3 The Atkins Diet - 2004-01-22
Episode 4 Secrets of the Star Disc - 2004-01-29
Episode 5 The Dark Secret of Hendrik Schön - 2004-02-05
Episode 6 Thalidomide - A Second Chance? - 2004-02-12
Episode 7 Diamond Labs - 2004-03-04
Episode 8 T-Rex - Warrior or Wimp? - 2004-03-11
Episode 9 Project Poltergeist - 2004-03-18
Episode 10 The Truth of Troy - 2004-03-25
Episode 11 The Truth About Vitamins - 2004-09-16
Episode 12 King Solomon's Tablet of Stone - 2004-09-23
Episode 14 What Really Killed the Dinosaurs? - 2004-10-07
Episode 15 Making Millions the Easy Way - 2004-10-14
Episode 16 Saturn - Lord of the Rings - 2004-10-21
Episode 17 The Hunt for the Supertwister - 2004-10-28
Episode 18 Dr Money and the Boy with No Penis - 2004-11-04

► Season 2005 - Click for episodes

Episode 1 Global Dimming - 2005-01-13
Episode 2 Einstein's Unfinished Symphony - 2005-01-20
Episode 3 Einstein's Equation of Life and Death - 2005-01-27
Episode 4 Living with ADHD - 2005-03-03
Episode 5 Neanderthal - 2005-02-10
Episode 7 Who's Afraid of Designer Babies? - 2005-02-24
Episode 8 The Lost Civilisation of Peru - 2005-03-03
Episode 9 The Next Megaquake - 2005-05-22
Episode 10 Does the MMR Jab Cause Autism? - 2005-05-29
Episode 11 Malaria: Defeating the Curse - 2005-06-05
Episode 12 Tsunami: Naming the Dead - 2005-09-01
Episode 13 The Hawking Paradox - 2005-09-08
Episode 14 The Mystery of the Human Hobbit - 2005-09-15
Episode 15 The Doctor Who Makes People Walk Again? - 2005-10-06
Episode 16 Can Fish Make My Child Smart? - 2005-10-06
Episode 17 Madagascar - A Treetop Odyssey - 2005-10-13
Episode 18 Titan. A Place Like Home? - 2005-11-10
Episode 19 The 7/7 Bombers: A Psychological Investigation - 2005-12-08
Episode 20 The Ghost in Your Genes - 2005-12-15

► Season 2006 - Click for episodes

Episode 1 The Life and Times of El Niño - 2006-01-03
Episode 2 Space Tourists - 2006-01-12
Episode 3 Waiting for a Heartbeat - 2006-01-19
Episode 4 A War on Science - 2006-01-26
Episode 5 The Lost City of New Orleans - 2006-02-02
Episode 6 Most of Our Universe Is Missing - 2006-02-09
Episode 7 Winning Gold in 2012 - 2006-03-18
Episode 8 The Woman Who Thinks Like a Cow - 2006-06-08
Episode 9 The Genius Sperm Bank - 2006-06-15
Episode 10 Bye Bye Planet Pluto - 2006-06-22
Episode 11 We Love Cigarettes - 2006-06-29
Episode 12 Nuclear Nightmares - 2006-07-13
Episode 17 Human v2.0 - 2006-10-24
Episode 18 The Great Robot Race - 2006-10-31
Episode 19 Pandemic - 2006-11-07

► Season 2007 - Click for episodes

Episode 1 My Pet Dinosaur - 2007-03-13
Episode 2 The Elephant's Guide to Sex - 2007-03-20
Episode 3 Prof Regan's Beauty Parlour - 2007-03-27
Episode 4 Mad but Glad - 2007-04-03

► Season 2010 - Click for episodes

Episode 1 The Secret Life of the Dog - 2010-01-06
Episode 2 Why Do Viruses Kill? - 2010-01-13
Episode 3 Pill Poppers - 2010-01-20
Episode 4 Don't Grow Old - 2010-02-03
Episode 5 To Infinity and Beyond - 2010-02-10
Episode 6 What Makes a Genius? - 2010-02-17
Episode 7 Did Cooking Make Us Human? - 2010-03-02
Episode 8 Is Everything We Know About the Universe Wrong? - 2010-03-09
Episode 10 The Death of the Oceans - 2010-10-04
Episode 11 What Happened Before the Big Bang? - 2010-10-11
Episode 12 Is Seeing Believing? - 2010-10-18
Episode 13 Miracle Cure? A Decade of the Human Genome - 2010-10-25
Episode 14 Asteroids - The Good, the Bad and the Ugly - 2010-11-03
Episode 15 Deepwater Disaster - The Untold Story - 2010-11-16

► Season 2011 - Click for episodes

Episode 1 What is One Degree? - 2011-01-10
Episode 2 What is Reality? - 2011-01-17
Episode 3 Science Under Attack - 2011-01-24
Episode 4 The Secret World of Pain - 2011-01-31
Episode 5 Surviving a Car Crash - 2011-02-07
Episode 6 How to Mend a Broken Heart - 2011-02-14
Episode 7 Are We Still Evolving? - 2011-03-01
Episode 8 Predators in Your Backyard - 2011-03-08
Episode 9 Do You See What I See - 2011-08-08
Episode 10 Seeing Stars - 2011-08-15
Episode 11 The Nine Months That Made You - 2011-08-22
Episode 12 The Core - 2011-08-31
Episode 13 Are You Good or Evil? - 2011-09-07
Episode 14 Fukushima: Is Nuclear Power Safe? - 2011-09-14

► Season 2012 - Click for episodes

Episode 1 Playing God - 2012-01-17
Episode 2 The Truth About Exercise - 2012-02-28
Episode 3 Solar Storms: The Threat to Planet Earth - 2012-03-06
Episode 4 Out of Control? - 2012-03-13
Episode 5 The Truth about Fat - 2012-03-20
Episode 6 Global Weirding - 2012-03-27
Episode 7 Defeating Cancer - 2012-04-10
Episode 8 Defeating Cancer - 2012-07-23
Episode 9 Eat, Fast and Live Longer - 2012-08-06
Episode 10 How Big Is the Universe? - 2012-08-27
Episode 11 How Small is the Universe? - 2012-09-03
Episode 12 Eat, Fast and Live Longer - 2012-09-10

► Season 2013 - Click for episodes

Episode 1 The Creative Brain: How Insight Works - 2013-03-14
Episode 2 How to Avoid Mistakes in Surgery - 2013-03-21
Episode 3 The Truth about Taste - 2013-03-28
Episode 4 The Age of Big Data - 2013-04-04
Episode 5 The Secret Life of the Cat - 2013-06-13
Episode 6 Little Cat Diaries - 2013-06-14
Episode 7 Fracking: The New Energy Rush - 2013-06-19
Episode 8 Swallowed by a Black Hole - 2013-06-26
Episode 9 What Makes us Human? - 2013-07-03
Episode 10 The Truth About Personality - 2013-07-10
Episode 11 Monitor Me - 2013-08-12
Episode 12 Defeating the Hackers - 2013-08-19
Episode 13 Dinosaurs: The Hunt for Life - 2013-08-26

► Season 2014 - Click for episodes

Episode 1 Sugar vs. Fat - 2014-01-29
Episode 2 Swallowed by a Sink Hole - 2014-02-03
Episode 3 Man on Mars - Mission to the Red Planet - 2014-02-10
Episode 4 The Power of the Placebo - 2014-02-17
Episode 5 How You Really Make Decisions - 2014-02-24
Episode 6 Living with Autism - 2014-04-01
Episode 7 The £10 Million Challenge - 2014-05-22
Episode 8 Where is Flight MH370? - 2014-06-17
Episode 9 What's Wrong with Our Weather? - 2014-07-17
Episode 10 Should I Eat Meat? - The Big Health Dilemma - 2014-08-18
Episode 11 Should I Eat Meat? - How to Feed the Planet - 2014-08-20
Episode 12 Allergies: Modern Life and Me - 2014-08-27
Episode 13 Inside the Dark Web - 2014-09-03
Episode 14 Ebola - The Search for a Cure - 2014-09-10
Episode 15 Is Your Brain Male or Female? - 2014-09-29

► Season 2015 - Click for episodes

Episode 1 Secrets of the Solar System - 2015-03-03
Episode 2 Aftershock: The Hunt for Gravitational Waves - 2015-03-10
Episode 3 Dancing in the Dark - The End of Physics? - 2015-03-17
Episode 4 70 Million Animal Mummies: Egypt's Dark Secret - 2015-05-11
Episode 5 Is Binge Drinking Really That Bad? - 2015-05-20
Episode 6 The Trouble with Space Junk - 2015-08-05
Episode 7 Are Health Tests Really a Good Idea? - 2015-08-12
Episode 8 First Britons - 2015-08-19
Episode 9 OCD: A Monster in My Mind - 2015-08-26
Episode 10 Which Universe Are We In? - 2015-09-02
Episode 11 Cosmic Dawn: The Real Moment of Creation - 2015-09-09
Episode 12 Are Video Games Really That Bad? - 2015-09-16

► Season 2016 - Click for episodes

Episode 1 The Immortalist - 2016-03-16
Episode 2 Project Greenglow - The Quest for Gravity Control - 2016-03-23
Episode 3 The Mystery of Dark Energy - 2016-03-30
Episode 4 Oceans of the Solar System - 2016-04-06
Episode 5 The End of the Solar System - 2016-04-13
Episode 6 Closing Time for Zoos - 2016-04-17
Episode 7 How to Find Love Online - 2016-04-25
Episode 8 Ice Station Antarctica - 2016-05-04
Episode 9 Curing Alzheimer's - 2016-05-11
Episode 10 E-Cigarettes: Miracle or Menace? - 2016-05-22
Episode 11 Why Are We Getting So Fat - 2016-06-07
Episode 12 Sports Doping - Winning at Any Cost? - 2016-07-19
Episode 13 Special - Inside Cern - 2016-08-10
Episode 14 My Amazing Twin - 2016-08-25

► Season 2017 - Click for episodes

Episode 1 Clean Eating - The Dirty Truth - 2017-01-19
Episode 2 Hair Care Secrets - 2017-01-23
Episode 3 ADHD and Me with Rory Bremner - 2017-04-25
Episode 4 Why Did I Go Mad? - 2017-05-02
Episode 5 Strange Signals From Outer Space! - 2017-05-16
Episode 6 Space Volcanoes - 2017-05-23
Episode 7 Antarctica - Ice Station Rescue - 2017-06-07
Episode 8 Cyber Attack - The Day the NHS Stopped - 2017-06-12
Episode 9 10 Things You Need to Know About the Future - 2017-06-19
Episode 10 Dawn of the Driverless Car - 2017-06-29
Episode 11 Dippy and the Whale - 2017-07-13
Episode 12 What Makes a Psychopath? - 2017-08-29
Episode 13 Mars - A Traveller's Guide - 2017-09-12
Episode 14 Goodbye Cassini - Hello Saturn - 2017-09-18
Episode 15 Being Transgender - 2017-09-26

► Season 2018 - Click for episodes

Episode 1 My Amazing Brain: Richard's War - 2018-02-05

► Season 2020 - Click for episodes

Episode 1 Addicted to Painkillers? Britain's Opioid Crisis - 2020-01-16
Episode 2 Chris Packham: 7.7 Billion People and Counting - 2020-01-21
Episode 3 Toxic Town: The Corby Poisonings - 2020-03-23
Episode 4 Coronavirus Special - Part 1 - 2020-04-09
Episode 5 The Restaurant that Burns Off Calories - 2020-04-20
Episode 6 Hubble: The Wonders of Space Revealed - 2020-04-24
Episode 7 The Great British Intelligence Test - 2020-05-04
Episode 8 Coronavirus Special - Part 2 - 2020-05-19
Episode 9 What's the Matter with Tony Slattery? - 2020-05-21
Episode 10 Pluto: Back From the Dead - 2020-07-06

► Season 2021 - Click for episodes

Episode 1 Feast to Save the Planet - 2021-01-04
Episode 2 Coronavirus Special - What We Know Now - 2021-02-25
Episode 3 Horizon Special: The Vaccine - 2021-06-16

► Season 2022 - Click for episodes

Episode 1 How to Sleep Well with Michael Mosley - 2022-03-31
Episode 2 Making Sense of Cancer with Hannah Fry - 2022-06-02
Episode 3 Super Telescope: Mission to the Edge of the Universe - 2022-07-14