Horizon
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From 1964 to present
· TMDBDocumentary
Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Episode ratings
Season 1Specials111 episodes
- S00E01Horizon Christmas Special: Hand me my Sword, Humphrey1966-12-25✓
- S00E02The Case of the Ancient Astronauts 3.51977-11-25✓
- S00E03The Mind's Eye1980-01-28
- S00E0425 Years in Space1982-12-25
- S00E05Biology at War: The Mystery of Yellow Rain1984-05-15
- S00E06Beyond the Moon1984-07-21
- S00E07Biology at War: A Plague in the Wind 3.51984-10-29
- S00E08Twenty-First Birthday1985-05-20
- S00E09Halley's Comet - The Apparition1985-11-25
- S00E10Halley's Comet - The Encounter1986-03-13
- S00E11The Diary of Discovery1988-09-28
- S00E12Making an Honest Fiver1990-06-06
- S00E13Red Star in Orbit: The Invisible Spaceman1990-12-07
- S00E14Red Star in Orbit: The Dark Side of the Moon1990-12-14
- S00E15Red Star in Orbit: The Mission1990-12-21
- S00E16A Close Encouter of the Second Kind1992-07-10
- S00E17Hide and Seek in Iraq1992-08-23
- S00E18The Truth About Sex1992-10-12
- S00E19Assault on the Male1993-10-31
- S00E2030th Anniversary - The Far Side1994-05-23
- S00E21Twice Born1995-02-14
- S00E22Einstein: The Miracle Year 3.01996-03-17
- S00E23Einstein: Fame1996-03-18
- S00E24BSE: The Invisible Enemy1996-11-17
- S00E25BSE: The Human Experiment1996-11-18
- S00E26Molecules With Sunglasses (Update)1996-12-09
- S00E27Ice Mummies: The Ice Maiden1997-01-30
- S00E28Ice Mummies: A Life in Ice1997-02-06
- S00E29Ice Mummies: Frozen in Heaven 4.51997-02-13
- S00E30Computers Don't Bite, Inside the Internet1997-05-17
- S00E31Antarctica: The Ice Lives1997-10-30
- S00E32Antarctica: The Ice Forms1997-11-06
- S00E33Antarctica: The Ice Melts1997-11-13
- S00E34Crash1998-01-08
- S00E35Darwin: The Legacy1998-03-29
- S00E36Longitude1999-01-04
- S00E37Fat Files: Born to Be Fat1999-01-07
- S00E38Fat Files: Fixing Fat1999-01-14
- S00E39Fat Files: Living on Air1999-01-21
- S00E40Atlantis Uncovered1999-10-28
- S00E41Atlantis Reborn1999-11-04
- S00E42Life and Death in the 21st Century: Living Forever2000-01-04
- S00E43Life and Death in the 21st Century: Future Plagues2000-01-05
- S00E44Life and Death in the 21st Century: Designer Babies2000-01-06
- S00E45Inside the Internet2000-06-10
- S00E46Life on Mars2001-01-11
- S00E47Destination Mars2001-01-18
- S00E48What Sank the Kursk? 4.02001-08-08
- S00E49First Olympians: A Horizon Special2004-07-23
- S00E50Everest: Doctors in the Death Zone (1)2007-09-23
- S00E51Everest: Doctors in the Death Zone (2)2007-09-30
- S00E52Lost Horizons: The Big Bang2008-09-04
- S00E53How Mad Are You? (1)2008-11-11
- S00E54How Mad Are You? (2)2008-11-18
- S00E5540 Years on the Moon2009-07-09
- S00E56Pandemic: A Horizon Guide2009-08-09
- S00E57Mars: A Horizon Guide2009-11-15
- S00E58How Many People Can Live on Planet Earth? 3.52009-12-09
- S00E59Diet: A Horizon Guide2010-01-07
- S00E60The End of God? A Horizon Guide to Science and Religion2010-09-17
- S00E61What Makes Us Clever? A Horizon Guide to Intelligence2011-01-06
- S00E62Japan Earthquake: A Horizon Special2011-03-27
- S00E63The Space Shuttle: A Horizon Guide2011-04-10
- S00E64The End of the World? A Horizon Guide to Armageddon2011-05-12
- S00E65Carrot or Stick? A Horizon Guide to Raising Kids2011-08-11
- S00E66Extinct: A Horizon Guide to Dinosaurs2011-09-21
- S00E67The Hunt for Higgs: A Horizon Special2012-01-09
- S00E68Woof! A Horizon Guide to Dogs2012-03-01
- S00E69The Hunt for AI2012-04-03
- S00E70Stuff: A Horizon Guide to Materials2012-04-19
- S00E71Blink: A Horizon Guide to the Senses2012-07-11
- S00E72Immortal? A Horizon Guide to Ageing2012-07-17
- S00E73Mission to Mars: A Horizon Special2012-07-31
- S00E74The Final Frontier: A Horizon Guide to the Universe2012-10-17
- S00E75The Truth About Meteors: A Horizon Special2013-03-03
- S00E76Mend Me: A Horizon Guide to Transplants2013-03-27
- S00E77Tomorrow's World: A Horizon Special 3.02013-04-11
- S00E78What's Killing Our Bees? A Horizon Special2013-08-02
- S00E79Comet of the Century: A Horizon Special2013-11-23
- S00E80The £10 Million Challenge2014-05-22
- S00E81The Transit of Venus: A Horizon Special2012-06-05
- S00E100The Great British Drought1976-05-26
- S00E101Festival 77: Horizon 20021977-08-26
- S00E102Darwin's Dream1977-09-23
- S00E103A Killer in the Village - Update1984-04-02
- S00E104Life Story1987-04-27
- S00E105Sex: A Horizon Guide 3.02013-09-11
- S00E106Climate Change: A Horizon Guide2015-03-04
- S00E107The Mystery of Murder: A Horizon Guide2015-03-09
- S00E108The Horizon Guide to AI2018-09-04
- S00E109Tim Peake Special - How to be an Astronaut2015-12-13
- S00E110Jimmy Carr and the Science of Laughter 3.02016-09-11
- S00E111Horizon Special: The Vaccine2021-06-16
- S00E112The Life and Times of El Niño2006-01-03
- S00E113Impact! A Horizon Guide to Plane Crashes2013-10-14
- S00E114Impact! A Horizon Guide to Car Crashes2013-10-21
- S00E115Cat Watch 2014 - A Cat's Eye View2014-10-07
- S00E116Cat Watch 2014 - The Lion in Your Lap2014-10-08
- S00E117Cat Watch 2014 - Cat Talk2014-10-09
- S00E118What's The Right Diet For You? Part 12015-01-12
- S00E119What's The Right Diet For You? Part 22015-01-13
- S00E120What's The Right Diet For You? Part 32015-01-14
- S00E121Journey to the Moon: A Horizon Special2019-07-17
- S00E122Alastair Campbell: Depression and Me2019-05-21
- S00E123Ice Station Antarctica: Part One2016-05-21
- S00E124Ice Station Antarctica: Part Two2016-05-28
- S00E125Coronavirus Special - Part 12020-04-09
- S00E126Coronavirus Special - Part 22020-05-19
- S00E127Coronavirus Special - What We Know Now2021-02-25
- S00E128Horizon Special: The Vaccine2021-06-16
- S00E129Tim Peake Special: How to Be an Astronaut2015-12-13
Season 19 episodes
- S01E01The World of Buckminster Fuller1964-02-04
- S01E02Pesticides and Posterity1964-05-30
- S01E03A Candle to Nature1964-06-27
- S01E04Strangeness Minus Three1964-07-25
- S01E05The Air of Science1964-08-22
- S01E06The Knowledge Explosion1964-09-21
- S01E07The Amateur Scientist1964-10-19
- S01E08Tots and Quods and Woodgeries1964-11-16
Season 224 episodes
- S02E01Learning from Machines1965-01-06
- S02E02The Technique of Change1965-01-20
- S02E03Star Gazers1965-02-03
- S02E04Science and Art1965-02-17
- S02E05The Great Computer Scandal / H-Bomb Detectors1965-03-03
- S02E06Forbidden Events / I am a Madman1965-03-17
- S02E07Restless Genius / Faster, Farther, Higher1965-03-31
- S02E08The Other Side of the Pill1965-04-14
Season 323 episodes
- S03E01Windows of the Soul / Elixir of Youth1966-01-02
- S03E02The Troubled Mind / Triple-A. S.1966-01-16
- S03E03A Man of Two Visions / The Scientist Applied1966-01-30
- S03E04The Dolphins that Joined The Navy / A Theory of The Earth1966-02-13
- S03E05Route 1281966-02-27
- S03E06The Beginning of Life / Science Friction1966-03-13
- S03E07So you want to be an Inventor? / The Severed Hand1966-03-27
- S03E08Chance and Decay / Meteorite Mystery1966-04-10
Season 423 episodes
- S04E01Sons of Cain1967-01-17
- S04E02When Is a Body Dead? / How to Win Friends and Influence People1967-01-31
- S04E03How Best to Make a Man / How Best to Make a Scientist1967-02-14
- S04E04Dynamo - The Life of Michael Faraday1967-02-28
- S04E05Migraine1967-03-14
- S04E06How Safe Is Surgery?1967-03-28
- S04E07Sleep and Dreams1967-04-11
- S04E08The Shape of War to Come1967-04-25
Season 524 episodes
- S05E01An Ingenious Man - Sir H. John Baker1968-01-02
- S05E02Man's Best Friend1968-01-30
- S05E03Once a Junkie1968-02-13
- S05E04Towns, Traffic and Tomorrow1968-02-27
- S05E05The Man Makers1968-03-12
- S05E06Man in Search of Himself1968-03-26
- S05E07Investigating Murder1968-04-09
- S05E08The Equation of Murder1968-05-07
Season 637 episodes
- S06E01Inside Every Fat Man1969-01-02
- S06E02If Only They Could Speak1969-01-09
- S06E03The Miraculous Wonder: The Human Eye1969-01-16
- S06E04The Years of the Locust1969-01-23
- S06E05The Gifted Child1969-01-30
- S06E06The Last of the Polymaths1969-02-06
- S06E07Music and the Mind1969-02-13
- S06E08Report on V.D.1969-02-20
Season 737 episodes
- S07E01Just Another World1970-01-05
- S07E02Henry Royce, Mechanic1970-01-12
- S07E03A Disease of Our Time - Stress1970-01-19
- S07E04A Disease of Our Time - Heart Attacks1970-01-26
- S07E05Sex and Sexuality1970-02-02
- S07E06Whose Coast?1970-02-16
- S07E07A Much Wanted Child1970-02-23
- S07E08The Expert Witness1970-03-02
Season 832 episodes
- S08E01Wildlife - The Last Great Battle1971-01-04
- S08E02Great Ormond Street1971-01-18
- S08E03A Bulldozer Through Heaven1971-01-25
- S08E04Rumors of War1971-02-01
- S08E05I'm Dependent - You're Addicted (I)1971-02-15
- S08E06Kuru - To Tremble with Fear1971-02-22
- S08E07Due to a Lack of Interest, Tomorrow Has Been Canceled1971-03-08
- S08E08What Kind of Doctor?1971-03-15
Season 933 episodes
- S09E01The Missing Link1972-01-03
- S09E02Navajo - The Last Red Indians1972-01-10
- S09E03How Much Do You Smell?1972-01-17
- S09E04The Parasite of Paradise1972-01-31
- S09E05The Day it Rained Periwinkles1972-02-07
- S09E06Are You Doing This for Me Doctor, or Am I Doing It for You?1972-02-14
- S09E07How They Sold Doomsday1972-02-21
- S09E08For Love or Money?1972-02-28
Season 1032 episodes
- S10E01Epidemic1973-01-04
- S10E02Worlds in Collision1973-01-11
- S10E03The Military Necessity1973-01-18
- S10E04The Curtain of Silence1973-01-25
- S10E05Crime Lab1973-02-01
- S10E06When the Breeding Has to Stop1973-02-08
- S10E07Science Is Dead, Long Live Science1973-02-15
- S10E08...And Where Will the Children Play?1973-03-01
Season 1133 episodes
- S11E01A Matter of Self-Defense1974-01-07
- S11E02Bird Brain - The Mystery of Bird Navigation1974-01-14
- S11E03Never Too Late to Learn1974-01-21
- S11E04The Great Fish Hunt1974-01-28
- S11E05Pedal Power1974-02-04
- S11E06The Writing on the Wall1974-02-11
- S11E07Where Did the Colorado Go?1974-02-18
- S11E08The Future Goes Boom1974-03-04
Season 1226 episodes
- S12E01The Killer Dust1975-01-20
- S12E02A Time to Be Born1975-01-27
- S12E03The Unsafe Sea1975-02-10
- S12E04The Change of Life1975-02-17
- S12E05Project Fido1975-02-24
- S12E06The Planets1975-03-10
- S12E07The Long, Long Walkabout1975-04-07
- S12E08The Overworked Miracle1975-04-14
- S12E09
Season 1330 episodes
- S13E01The Transplant Experience1976-01-05
- S13E02Intimate Strangers1976-01-12
- S13E03A Fair Share of What Little We Have1976-01-19
- S13E04The Incredible Machine1976-01-26
- S13E05King Coal Revived1976-02-02
- S13E06A Question of Trust1976-02-09
- S13E07The Case of the Bermuda Triangle1976-02-16
- S13E08The Lords of the Labyrinth1976-02-23
Season 1423 episodes
- S14E01A Smile for a Crocodile1977-01-07
- S14E02The Pill for the People1977-01-14
- S14E03The Ape That Stood Up1977-01-21
- S14E04The Human Animal1977-02-04
- S14E05The Guinea Pig and the Law1977-02-18
- S14E06Hunters of the Seal1977-02-25
- S14E07The Red Planet1977-03-04
- S14E08One of Nature's Hotels1977-03-11
Season 1524 episodes
- S15E01Living Machines1978-01-06
- S15E02A Land for All Reasons1978-01-20
- S15E03I Don't Want to Be a Burden1978-01-27
- S15E04Zero G1978-02-03
- S15E05The Message in the Rocks1978-02-17
- S15E06The Eddystone Lights1978-02-24
- S15E07Light of the 21st Century1978-03-10
- S15E08The New Breadline1978-03-24
- S15E09
Season 1625 episodes
- S16E01The Forever Fuel1979-02-26
- S16E02In Search of Pegasus1979-03-05
- S16E03The Keys of Paradise1979-03-12
- S16E04Sweet Solutions1979-03-19
- S16E05Bronze Age Blast-Off1979-03-26
- S16E06The Real Bionic Man1979-04-02
- S16E07A Mediterranean Prospect1979-04-09
- S16E08Elements of Risk1979-04-23
- S16E09
Season 1725 episodes
- S17E01The Ghost Of The Amoco Cadiz1980-01-14
- S17E02You Are Old, Father William1980-01-21
- S17E03Cleared for Take-Off1980-02-04
- S17E04A Sporting Chance1980-02-11
- S17E05The Cancer Detectives of Lin Xian1980-02-18
- S17E06The Big If...1980-02-25
- S17E07Cash from Trash1980-03-03
- S17E08Encounter with Jupiter1980-03-10
Season 1827 episodes
- S18E01Spend and Prosper1981-01-05
- S18E02A Whole New Medicine1981-01-12
- S18E03The Qualyub Project1981-01-19
- S18E04No One Will Take Me Seriously1981-01-26
- S18E05Living with Dying1981-02-02
- S18E06A Is for Atom, B Is for Bomb1981-02-09
- S18E07Who Will Deliver Your Baby?1981-02-16
- S18E08West of Bangalore1981-03-02
Season 1922 episodes
- S19E01The Secret of the Snake1982-01-11
- S19E02Finding a Voice1982-01-18
- S19E03The Sea Beyond the Dunes1982-01-25
- S19E04Whatever Happened to the Energy Crisis? 3.01982-02-01
- S19E05Notes of a Biology Watcher1982-02-08
- S19E06The Cline Affair1982-02-15
- S19E07The Million Murdering Death1982-02-22
- S19E08Shots in the Dark1982-03-01
Season 2024 episodes
- S20E01Sizewell Under Pressure1983-01-10
- S20E02The Tropical Time Machine1983-01-17
- S20E03The Geneva Event1983-01-24
- S20E04How Much Can You Drink?1983-02-07
- S20E05Talking Turtle1983-02-14
- S20E06What Little Girls are Made of1983-02-21
- S20E07British Science - On the Wrong Track?1983-02-28
- S20E08The Great Plains Massacre1983-03-07
Season 2122 episodes
- S21E01The Intelligence Man1984-01-09
- S21E02Microworld!1984-01-16
- S21E03A New Green Revolution?1984-01-23
- S21E04Spies in the Wires1984-01-30
- S21E05Valley of the Inca1984-02-13
- S21E06The Conquest of Parasites1984-02-27
- S21E07Reflections on a River1984-03-05
- S21E08A Normal Face1984-03-12
- S21E09
Season 2216 episodes
- S22E01Colourful Notions1985-01-07
- S22E02A World of Their Own1985-01-14
- S22E03Decoding Danebury1985-01-21
- S22E04A Mission to Heal1985-01-28
- S22E05Mystery of the Left Hand1985-02-04
- S22E06The Theatre of War1985-02-11
- S22E07The Careful Predator1985-02-25
- S22E08What Einstein Never Knew1985-03-04
Season 2322 episodes
- S23E01Are You a Racist?1986-01-06
- S23E02Genesis1986-01-13
- S23E03Bitter Cold1986-01-20
- S23E04The Mould, the Myth and the Microbe1986-01-27
- S23E05Outbreak: The Microbe Masters the Mould1986-02-03
- S23E06Science...Fiction?1986-02-17
- S23E07The Children of Eve1986-02-24
- S23E08The New Face of Leprosy1986-03-03
Season 2422 episodes
- S24E01The Twenty-Five Hour Clock1987-01-05
- S24E02The Search for the Disappeared1987-01-12
- S24E03The Blind Watchmaker1987-01-19
- S24E04Riding the Stack1987-01-26
- S24E05Bruno Bettelheim: The Man Who Cared for Children1987-02-02
- S24E06Bruno Bettelheim: A Sense of Surviving1987-02-09
- S24E07Energy from Outer Space1987-02-16
- S24E08The Return of the Osprey1987-02-23
Season 2525 episodes
- S25E01The Transpanted Brain1988-01-04
- S25E02Death of a Star1988-01-11
- S25E03Playing With Madness1988-01-18
- S25E04The Canal in the Jungle1988-01-25
- S25E05Death of the Working Classes1988-02-01
- S25E06The Greenhouse Effect1988-02-08
- S25E07Struggling for Control1988-02-15
- S25E08Thinking1988-02-22
Season 2620 episodes
- S26E01The Book of Man1989-01-09
- S26E02The Poison that Waits1989-01-16
- S26E03Perils of the Deep1989-01-23
- S26E04Smart Weapons1989-01-30
- S26E05Wasting the Alps1989-02-06
- S26E06In the Last Resort1989-02-13
- S26E07Gaze in Wonder1989-02-20
- S26E08In My Lifetime?1989-02-27
- S26E09
Season 2720 episodes
- S27E01Oil Spill1990-01-08
- S27E02Medicine 20001990-01-15
- S27E03Food Irradiation: Would You Buy It?1990-01-22
- S27E04From Earth to Miranda1990-01-29
- S27E05Encounter With Neptune1990-02-05
- S27E06Guess What's Coming to Dinner?1990-02-12
- S27E07The First 14 Days1990-02-19
- S27E08The 10,000 Year Test1990-03-05
Season 2823 episodes
- S28E01Sudden Death1991-01-07
- S28E02Keen as Mustard1991-01-14
- S28E03Smokers Can Harm Your Health1991-01-21
- S28E04Coming In from the Cold1991-01-28
- S28E05Small Problems with the Mirror1991-02-04
- S28E06Two Weeks to Save the Earth1991-02-10
- S28E07California Dreaming1991-02-11
- S28E08The Day the Earth Melted1991-02-25
Season 2919 episodes
- S29E01The Shadow of Breast Cancer1992-01-06
- S29E02Pest Wars1992-01-13
- S29E03Molecules With Sunglasses1992-01-20
- S29E04In Search of the Noble Savage1992-01-27
- S29E05Malaria: Battle of the Merozoites1992-02-03
- S29E06The Black Sun1992-02-17
- S29E07Hitler's Bomb1992-02-24
- S29E08An Expensive Theology1992-03-02
Season 3021 episodes
- S30E01Awakening the Frozen Addicts1993-01-04
- S30E02Cheating Time1993-01-11
- S30E03TB - The Forgotten Plague1993-01-18
- S30E04No Ordinary Genius (1)1993-01-25
- S30E05No Ordinary Genius (2)1993-02-01
- S30E06Mars Alive1993-02-08
- S30E07Suggers, Fruggers and Data-Muggers1993-02-15
- S30E08The Pyramid Builders1993-02-22
Season 3121 episodes
- S31E01Small Arms, Soft Targets1994-01-10
- S31E02The Last Mammoth1994-01-17
- S31E03The Man Who Made Up His Mind1994-01-24
- S31E04Genie1994-01-31
- S31E05Death Wish - The Untold Story1994-02-07
- S31E06Air Crash - The Deadly Puzzle1994-02-14
- S31E07Hunt for the Doomsday Asteroid1994-02-28
- S31E08Hubble Vision1994-03-07
Season 3220 episodes
- S32E01Tibet - The Ice Mother1995-01-09
- S32E02Russia's Deep Secrets1995-01-16
- S32E03Bones of Contention1995-01-23
- S32E04Siamese Twins1995-01-30
- S32E05Too Big Too Soon?1995-02-20
- S32E06Farewell Fantastic Venus1995-02-27
- S32E07Exodus1995-03-06
- S32E08The Betrayers1995-03-13
- S32E09
Season 3316 episodes
- S33E01The Butchers of Boxgrove1996-01-08
- S33E02Fermat's Last Theorem 3.51996-01-15
- S33E03A Miracle for Cancer ?1996-01-22
- S33E04Nature's Numbers1996-01-29
- S33E05The Gene Race1996-02-05
- S33E06Masters of the Ionosphere1996-02-12
- S33E07Assault on the Male (revisited)1996-02-26
- S33E08Death by Design1996-03-04
Season 3415 episodes
- S34E01Psychedelic Science1997-02-27
- S34E02Fat Cats, Thin Mice1997-03-06
- S34E03Shipwreck1997-03-13
- S34E04Genius of the Jet1997-03-20
- S34E05Smallpox on Death Row1997-03-27
- S34E06Silent Children, New Language1997-04-03
- S34E07Turned On by Danger1997-04-17
- S34E08A Perfect Oil Spill1997-04-24
- S34E09
Season 3518 episodes
- S35E01Saddam's Secrets1998-02-19
- S35E02Dr Miller and the Islanders1998-02-26
- S35E03The Rainmaker1998-03-05
- S35E04Hopeful Monsters1998-03-19
- S35E05The Limits to Birth1998-03-26
- S35E06Overkill1998-04-02
- S35E07The Curse of Vesuvius1998-04-16
- S35E08Mir Mortals1998-04-23
- S35E09
Season 3614 episodes
- S36E01From Here to Infinity 4.01999-01-28
- S36E02Pandemic1999-02-04
- S36E03Elephants or Ivory1999-02-11
- S36E04Electric Heart1999-02-18
- S36E05Sudden Death1999-02-25
- S36E06New Star in Orbit1999-03-11
- S36E07New Asteroid Danger1999-03-18
- S36E08Skeleton Key1999-03-25
Season 3719 episodes
- S37E01Breath of Life2000-01-12
- S37E02The Lost City of Nasca2000-01-20
- S37E03The Diamond Makers2000-01-27
- S37E04Supervolcanoes2000-02-03
- S37E05Miracle In Orbit2000-02-03
- S37E06Complete Obsession - Body Dysmorphia2000-02-17
- S37E07Is GM Safe?2000-03-09
- S37E08Planet Hunters2000-03-16
- S37E09
Season 3811 episodes
- S38E01The Mystery of the Miami Circle2001-01-25
- S38E02The Missing Link2001-02-01
- S38E03Killer Algae2001-02-08
- S38E04Ecstasy and Agony2001-02-15
- S38E05Snowball Earth2001-02-22
- S38E06Taming the Problem Child2001-03-06
- S38E07The Mystery of the Persian Mummy2001-09-20
- S38E08The Ape that Took Over the World2001-10-04
Season 3918 episodes
- S39E01Helike - The Real Atlantis 2.52002-01-10
- S39E02Volcano Hell2002-01-17
- S39E03Fatbusters2002-01-24
- S39E04The Lost Pyramids of Caral2002-01-31
- S39E05Death of the Iceman 3.52002-02-07
- S39E06Parallel Universes2002-02-14
- S39E07The Dinosaur that Fooled the World2002-02-21
- S39E08The Fall of the World Trade Center
Season 4019 episodes
- S40E01The Mystery Of Easter Island2003-01-09
- S40E02Living Nightmare2003-01-16
- S40E03Averting Armageddon2003-01-23
- S40E04Dirty Bomb2003-01-30
- S40E05Sexual Chemistry (Update)2003-02-13
- S40E06The Day We Learned To Think2003-02-20
- S40E07Trial and Error2003-02-27
- S40E08Earthquake Storms2003-03-06
Season 4118 episodes
- S41E01The Demonic Ape2004-01-08
- S41E02The Moscow Theatre Siege2004-01-15
- S41E03The Atkins Diet2004-01-22
- S41E04Secrets of the Star Disc2004-01-29
- S41E05The Dark Secret of Hendrik Schön2004-02-05
- S41E06Thalidomide - A Second Chance?2004-02-12
- S41E07Diamond Labs2004-03-04
- S41E08T-Rex - Warrior or Wimp?2004-03-11
Season 4220 episodes
- S42E01Global Dimming2005-01-13
- S42E02Einstein's Unfinished Symphony 4.52005-01-20
- S42E03Einstein's Equation of Life and Death 4.52005-01-27
- S42E04Living with ADHD2005-03-03
- S42E05Neanderthal2005-02-10
- S42E06An Experiment to Save the World2005-02-17
- S42E07Who's Afraid of Designer Babies?2005-02-24
- S42E08The Lost Civilisation of Peru
Season 4319 episodes
- S43E01Space Tourists2006-01-12
- S43E02Waiting for a Heartbeat2006-01-19
- S43E03A War on Science2006-01-26
- S43E04The Lost City of New Orleans2006-02-02
- S43E05Most of Our Universe Is Missing 3.02006-02-09
- S43E06Winning Gold in 20122006-03-18
- S43E07The Woman Who Thinks Like a Cow2006-06-08
- S43E08The Genius Sperm Bank2006-06-15
Season 449 episodes
- S44E01My Pet Dinosaur2007-03-13
- S44E02The Elephant's Guide to Sex2007-03-20
- S44E03Prof Regan's Beauty Parlour2007-03-27
- S44E04Mad but Glad2007-04-03
- S44E05Moon for Sale2007-04-10
- S44E06Battle of the Brains2007-04-17
- S44E07Skyscraper Fire Fighters2007-04-24
- S44E08The Six Billion Dollar Experiment2007-05-01
Season 4517 episodes
- S45E01How to Kill a Human Being2008-01-15
- S45E02Total Isolation2008-01-22
- S45E03What on Earth is Wrong With Gravity? 4.52008-01-29
- S45E04Is Alcohol Worse than Ecstasy?2008-02-05
- S45E05How to Make Better Decisions2008-02-12
- S45E06How to Live to be 1012008-02-19
- S45E07Prof. Regan's Supermarket Secrets2008-02-26
- S45E08Are we Alone in the Universe?
Season 4618 episodes
- S46E01Why Are Thin People Not Fat?2009-01-26
- S46E02Cannabis: The Evil Weed?2009-02-03
- S46E03Why Do We Dream?2009-02-10
- S46E04Can We Make a Star on Earth?2009-02-17
- S46E05The Secret Life of Your Bodyclock2009-02-24
- S46E06What's the Problem with Nudity? 1.02009-03-03
- S46E07How to Survive a Disaster2009-03-10
- S46E08Who Do You Want Your Child to Be?
Season 4714 episodes
- S47E01Do I Drink Too Much?2009-10-13
- S47E02The Secret You2009-10-20
- S47E03Fix Me2009-10-27
- S47E04Who's Afraid of a Big Black Hole?2009-11-03
- S47E05Why Do We Talk?2009-11-10
- S47E06How Long is a Piece of String?2009-11-17
- S47E07The Secret Life of the Dog 4.32010-01-06
- S47E08Why Do Viruses Kill?2010-01-13
Season 4815 episodes
- S48E01Back from the Dead2010-09-27
- S48E02The Death of the Oceans?2010-10-04
- S48E03What Happened Before the Big Bang? 4.02011-10-11
- S48E04Is Seeing Believing?2010-10-18
- S48E05Miracle Cure? A Decade of the Human Genome2010-10-25
- S48E06Asteroids - The Good, the Bad and the Ugly2010-11-03
- S48E07Deepwater Disaster - The Untold Story2010-11-16
- S48E08What Is One Degree?
Season 4913 episodes
- S49E01Do You See What I See?2011-08-08
- S49E02Seeing Stars2011-08-15
- S49E03The Nine Months That Made You2011-08-22
- S49E04The Core2011-08-31
- S49E05Are You Good or Evil?2011-09-07
- S49E06Fukushima: Is Nuclear Power Safe?2011-09-14
- S49E07Playing God 5.02012-01-17
- S49E08The Truth About Exercise 5.0
Season 5016 episodes
- S50E01The Truth About Looking Young 3.52012-07-23
- S50E02Mission to Mars2012-07-30
- S50E03Eat, Fast and Live Longer 5.02012-08-06
- S50E04How Big Is the Universe? 5.02012-08-27
- S50E05How Small Is the Universe? 4.02012-09-03
- S50E06Defeating the Superbugs2012-09-10
- S50E07The Creative Brain: How Insight Works 3.0
Season 5111 episodes
- S51E01Monitor Me 3.52013-08-12
- S51E02Defeating the Hackers 4.52013-08-19
- S51E03Dinosaurs: The Hunt for Life2013-08-26
- S51E04Sugar v Fat 3.52014-01-29
- S51E05Swallowed by a Sink Hole2014-02-03
- S51E06Man on Mars - Mission to the Red Planet 4.02014-02-10
- S51E07The Power of the Placebo2014-02-17
Season 5218 episodes
- S52E01Should I Eat Meat? The Big Health Dilemma2014-08-18
- S52E02Should I Eat Meat? How to Feed the Planet2014-08-20
- S52E03Allergies: Modern Life and Me 4.52014-08-27
- S52E04Inside the Dark Web2014-09-03
- S52E05Ebola - The search for a cure2014-09-10
- S52E06Is your Brain Male or Female?2014-09-29
- S52E07Secrets of the Solar System2015-03-03
- S52E08Aftershock: The Hunt for Gravitational Waves
Season 5316 episodes
- S53E01The Immortalist2016-03-16
- S53E02Project Greenglow - The Quest for Gravity Control2016-03-23
- S53E03The Mystery of Dark Energy 4.02016-03-30
- S53E04Oceans of the Solar System 3.82016-04-06
- S53E05The End of the Solar System 3.32016-04-13
- S53E06Should We Close Our Zoos? 3.52016-04-17
- S53E07How to Find Love Online 3.5
Season 5415 episodes
- S54E01Clean Eating: The Dirty Truth 3.82017-01-19
- S54E02Hair Care Secrets 3.52017-01-23
- S54E03ADHD and Me with Rory Bremner2017-04-25
- S54E04Why Did I Go Mad? 3.52017-05-02
- S54E05Strange Signals from Outer Space! 4.02017-05-16
- S54E06Space Volcanoes 4.52017-05-23
- S54E07Antarctica - Ice Station Rescue
Season 5513 episodes
- S55E01My Amazing Brain: Richard's War 3.52018-02-05
- S55E02Teenagers vs Cancer: A User's Guide2018-06-26
- S55E03How to Build a Time Machine 3.02018-07-10
- S55E04Spina Bifida & Me2018-07-26
- S55E05Jupiter Revealed 3.82018-08-07
- S55E06Stopping Male Suicide 3.52018-08-22
- S55E07A Week Without Lying - The Honesty Experiment 3.5
Season 566 episodes
- S56E01We Need to Talk about Death 3.52019-01-23
- S56E02Britain's Next Air Disaster? Drones2019-07-01
- S56E03The Honest Supermarket: What’s Really in Our Food? 3.52019-07-08
- S56E04Inside the Social Network: Facebook's Difficult Year 4.02019-07-16
- S56E05The 250 Million Pound Cancer Cure 3.52019-07-22
- S56E06Cannabis: Miracle Medicine or Dangerous Drug? 4.02019-08-28
Season 578 episodes
- S57E01Addicted to Painkillers? Britain's Opioid Crisis2020-01-16
- S57E02Chris Packham: 7.7 Billion People And Counting 4.22020-01-23
- S57E03Toxic Town: The Corby Poisonings2020-03-23
- S57E04The Restaurant that Burns Off Calories2020-04-20
- S57E05Hubble: The Wonders of Space Revealed2020-04-24
- S57E06The Great British Intelligence Test2020-05-04
- S57E07What's the Matter with Tony Slattery2020-05-21
- S57E08Pluto: Back From the Dead
Season 584 episodes
- S58E01Feast to Save the Planet2021-01-04
- S58E02The Secret Science of Sewage2021-03-18
- S58E03Dolly: The Sheep That Changed the World2021-11-23
- S58E04The Vaccine2021-07-08
Season 594 episodes
- S59E01How to Sleep Well with Michael Mosley2022-03-31
- S59E02Fergal Keane: Living with PTSD2022-05-09
- S59E03Making Sense of Cancer with Hannah Fry 3.52022-06-02
- S59E04Super Telescope: Mission to the Edge of the Universe2022-07-14
Season 601 episodes
- S60E01The Battle to Beat Malaria 4.52024-07-22
Season 614 episodes
- S61E01Confessions of a Brain Surgeon2025-08-18
- S61E02Disease X: Hunting the Next Pandemic2025-09-22
- S61E03Secrets of The Brain (1)2025-09-29
- S61E04Secrets of the Brain (2)2025-10-06
Season 621 episodes
- S62E01Artemis: To the Moon and Back 3.82026-04-15