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The Best Episodes of Horizon Season 27

Every episode of Horizon Season 27 ranked from best to worst. Discover the Best Episodes of Horizon Season 27!

Binge this in 20h 0m•Peaking at 7.8/10

Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.

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Episode Rankings

  1. #1 Fan Favorite
    Horizon Season 27 Episode 18 - The Child Mothers
    7.8/10(32 votes)

    S27:E18

    Horizon investigates how teenage pregnancy is now posing massive health and social problems in many societies.

    Director:Unknown
    Writer:Unknown

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  2. Horizon Season 27 Episode 1 - Oil Spill
    0.0/10(0 votes)

    S27:E1

    After the Exxon Valdez oil spill in 1989, Horizon looks at tanker design and the technology used for dealing with major oil slicks.

    Director:Unknown
    Writer:Unknown

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  3. Horizon Season 27 Episode 2 - Medicine 2000
    0.0/10(0 votes)

    S27:E2

    Horizon reports on medical developments in Britain which could mean by the year 2000, health care will be very different.

    Director:Unknown
    Writer:Unknown

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  4. Horizon Season 27 Episode 3 - Food Irradiation: Would You Buy It?
    0.0/10(0 votes)

    S27:E3

    Horizon examines the history of research into irradiated food.

    Director:Unknown
    Writer:Unknown

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  5. Horizon Season 27 Episode 4 - From Earth to Miranda
    0.0/10(0 votes)

    S27:E4

    In this Horizon documentary, we look at how NASA launched the Voyager space probes to explore the planets of the outer solar system.

    Director:Unknown
    Writer:Unknown

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  6. Horizon Season 27 Episode 5 - Encounter With Neptune
    0.0/10(0 votes)

    S27:E5

    This report by Horizon presents the Voyager space probe close up encounter with the planet Neptune.

    Director:Unknown
    Writer:Unknown

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  7. Horizon Season 27 Episode 6 - Guess What's Coming to Dinner?
    0.0/10(0 votes)

    S27:E6

    Horizon looks at the potential implications of genetically engineering plants.

    Director:Unknown
    Writer:Unknown

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  8. Horizon Season 27 Episode 7 - The First 14 Days
    0.0/10(0 votes)

    S27:E7

    Horizon brings you a documentary on embryology - the branch of biology that studies the formation and early development of living organisms from the moment of conception.

    Director:Unknown
    Writer:Unknown

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  9. Horizon Season 27 Episode 8 - The 10,000 Year Test
    0.0/10(0 votes)

    S27:E8

    Horizon reports on how America has chosen to bury all of its most lethal radioactive waste under Yucca mountain in the state of Nevada.

    Director:Unknown
    Writer:Unknown

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  10. Horizon Season 27 Episode 9 - Hurricane!
    0.0/10(0 votes)

    S27:E9

    Horizon explores the inside of Hurricane Gilbert as it neared Jamaica on a direct course for the United States.

    Director:Unknown
    Writer:Unknown

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  11. Horizon Season 27 Episode 10 - The Britannic Greenhouse
    0.0/10(0 votes)

    S27:E10

    Horizon investigates how British scientists have begun to experiment to predict the effects of a changing climate from Greenhouse gases.

    Director:Unknown
    Writer:Unknown

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  12. Horizon Season 27 Episode 11 - Cold Fusion
    0.0/10(0 votes)

    S27:E11

    This story by Horizon investigates cold fusion

    Director:Unknown
    Writer:Unknown

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  13. Horizon Season 27 Episode 12 - The Quake of '89 - The Final Warning?
    0.0/10(0 votes)

    S27:E12

    Horizon presents the real story of seismic neglect and the failure of the San Francisco city government to protect its citizens.

    Director:Unknown
    Writer:Unknown

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  14. Horizon Season 27 Episode 13 - The Sharpest Shot of the Universe
    0.0/10(0 votes)

    S27:E13

    In this episode, Horizon looks at the Hubble space telescope, hailed as the greatest advance in astronomy since Galileo.

    Director:Unknown
    Writer:Unknown

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  15. Horizon Season 27 Episode 14 - The Company of Ants and Bees
    0.0/10(0 votes)

    S27:E14

    What can we learn from insects? Professor James Gould explains on Horizon that the human society may be able to predict their own future based on the society structure of ants and bees.

    Director:Unknown
    Writer:Unknown

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  16. Horizon Season 27 Episode 15 - The Intelligent Island
    0.0/10(0 votes)

    S27:E15

    This Horizon documentary looks at the radical transformations in the Singapore society as its technology extends into monitoring, logging, and linking up all businesses, information, and aspects of life on computer systems. The country's ultimate plan is to link the entire population electronically through the world's most advanced videotext system called Teleview. The report raises the question of what type of society this may create and also the political implications of such a system.

    Director:Unknown
    Writer:Unknown

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  17. Horizon Season 27 Episode 16 - Legacy of a Volcano
    0.0/10(0 votes)

    S27:E16

    Horizon looks at the area around Mt. St. Helens 10 years after the volcanic eruption that devastated more 500 square kilometres of forest land in just minutes.

    Director:Unknown
    Writer:Unknown

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  18. Horizon Season 27 Episode 17 - Do Cows Make You Mad?
    0.0/10(0 votes)

    S27:E17

    This episode of Horizon is about BSE transmitted in cattle feed and causing the fatal Creutzfeldt-Jakob syndrome in humans.

    Director:Unknown
    Writer:Unknown

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  19. Horizon Season 27 Episode 19 - Signs of Life
    0.0/10(0 votes)

    S27:E19

    Horizon examines the possibility of scientists, either intentionally or unintentionally, creating living forms which could enjoy an independent existence, initially confined to computers and telephone networks, and in the form of computer viruses.

    Director:Unknown
    Writer:Unknown

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  20. Horizon Season 27 Episode 20 - AIDS: A Quest for a Cure
    0.0/10(0 votes)

    S27:E20

    Horizon investigates new breakthroughs in the scientific study, analysis, and reproduction of cells and their compounds, which may lead to the development of a cure for the AIDS virus.

    Director:Unknown
    Writer:Unknown

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Season 27 Ratings Summary

"The Child Mothers" is the best rated episode of "Horizon" season 27. It scored 7.8/10 based on 32 votes. Directed by Unknown and written by Unknown, it aired on 6/4/1990. This episode is rated 7.8 points higher than the second-best, "Oil Spill".