Horizon backdrop
Documentary

The Best Episodes of Horizon Season 15

Every episode of Horizon Season 15 ranked from best to worst. Discover the Best Episodes of Horizon Season 15!

Binge this in 1d 0h•Peaking at 8.2/10

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

Airs on
BBC Two
BestEpisodes
WorstEpisodes
BestSeasons
AllEpisodes

Seasons61

All12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061

Episode Rankings

  1. #1 Fan Favorite
    Horizon Season 15 Episode 1 - Living Machines
    0.0/10(0 votes)

    #1 - Living Machines

    S15:E1

    Horizon investigates how biologists and engineers are pooling their ideas to understand how nature's machines work.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  2. Horizon Season 15 Episode 2 - A Land for All Reasons
    0.0/10(0 votes)

    #2 - A Land for All Reasons

    S15:E2

    In this episode, Horizon examines the need for an objective approach to land management in Britain.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  3. Horizon Season 15 Episode 3 - I Don't Want to Be a Burden
    0.0/10(0 votes)

    #3 - I Don't Want to Be a Burden

    S15:E3

    Horizon explores community and residential services available to the elderly in South Hampton, England.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  4. Horizon Season 15 Episode 4 - Zero G
    0.0/10(0 votes)

    #4 - Zero G

    S15:E4

    Horizon presents a report on zero gravity and the effects of weightlessness in spacecraft on humans.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  5. Horizon Season 15 Episode 5 - The Message in the Rocks
    0.0/10(0 votes)

    #5 - The Message in the Rocks

    S15:E5

    Develops the theory that four and a half thousand million years ago the earth was formed thanks to the explosion of a huge star which provided the rocks, the minerals and the radioactivity from which life developed. These theories are based partly on analysis of a meteorite which dropped near a village in Mexico at the beginning of the seventies.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  6. Horizon Season 15 Episode 6 - The Eddystone Lights
    0.0/10(0 votes)

    #6 - The Eddystone Lights

    S15:E6

    Horizon reports on last three attempts to build a lighthouse on the Eddystone Rocks, near Plymouth.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

    7. Trending NowTRENDING NOW

    The 20 BEST Episodes of Horizon

    READ
  7. Horizon Season 15 Episode 7 - Light of the 21st Century
    0.0/10(0 votes)

    #7 - Light of the 21st Century

    S15:E7

    Horizon presents a documentary on the development of the Light Amplification by Stimulated Emission of Radiation device, or more commonly know as the Laser.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  8. Horizon Season 15 Episode 8 - The New Breadline
    0.0/10(0 votes)

    #8 - The New Breadline

    S15:E8

    Horizon investigates the reasons for poverty in Britain today, now with seven million on at the poverty line.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  9. Horizon Season 15 Episode 9 - Now the Chips Are Down
    0.0/10(0 votes)

    #9 - Now the Chips Are Down

    S15:E9

    About the applications and implications for the future, particularly the effects on the labour market, of microprocessors.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  10. Horizon Season 15 Episode 10 - Explosions in the Mind
    0.0/10(0 votes)

    #10 - Explosions in the Mind

    S15:E10

    In this episode, Horizon explores the after effects of a stroke when there is a sudden stoppage of blood to the human brain.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  11. Horizon Season 15 Episode 11 - One Small Step
    0.0/10(0 votes)

    #11 - One Small Step

    S15:E11

    Horizon investigates the race to the moon between the USA and Russia and questions the motives behind the space race.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  12. Horizon Season 15 Episode 12 - The Tsetse Trap
    0.0/10(0 votes)

    #12 - The Tsetse Trap

    S15:E12

    This episode of Horizon is about the tsetse fly which rules most of Africa and why much of the fertile land can't in Africa can't be used because of the dangerous insect.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  13. Horizon Season 15 Episode 13 - A Whisper From Space
    0.0/10(0 votes)

    #13 - A Whisper From Space

    S15:E13

    Horizon explores the history of evidence used to support the Big Bang Theory of the creation of the universe.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  14. Horizon Season 15 Episode 14 - Prisoners of Hope
    0.0/10(0 votes)

    #14 - Prisoners of Hope

    S15:E14

    In this episode, Horizon explains some of the research in multiple sclerosis and how the lives of MS sufferers are affected.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  15. Horizon Season 15 Episode 15 - On a Different Track
    0.0/10(0 votes)

    #15 - On a Different Track

    S15:E15

    Horizon presents a brief history of the French railways and the policy behind their future direction.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  16. Horizon Season 15 Episode 16 - Careering into Science
    0.0/10(0 votes)

    #16 - Careering into Science

    S15:E16

    This documentary by Horizon is about six school children taking 'O' levels exams and inter science in Britain.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  17. Horizon Season 15 Episode 17 - Cashing in on the Ocean
    0.0/10(0 votes)

    #17 - Cashing in on the Ocean

    S15:E17

    Horizon looks at the implications of exploiting Manganese nodules which are scattered over the seabed.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  18. Horizon Season 15 Episode 18 - Bags of Life
    0.0/10(0 votes)

    #18 - Bags of Life

    S15:E18

    Horizon investigates the composition and structure of the membrane that surround individual cells.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  19. Horizon Season 15 Episode 19 - Innocent Slaughter?
    0.0/10(0 votes)

    #19 - Innocent Slaughter?

    S15:E19

    In this documentary, Horizon examines all sides of the Canadian Harpseal hunt issue and asks if it is really necessary.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  20. Horizon Season 15 Episode 20 - The Beersheva Experiment
    8.2/10(15 votes)

    #20 - The Beersheva Experiment

    S15:E20

    Horizon explores an experimental medical school in Israel where students are trained primarily to care for people.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  21. Horizon Season 15 Episode 21 - Divers Do It Deeper
    0.0/10(0 votes)

    #21 - Divers Do It Deeper

    S15:E21

    Horizon explores the years of research that have enabled divers to go to greater and greater ocean depth.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  22. Horizon Season 15 Episode 22 - The Big Sleep
    0.0/10(0 votes)

    #22 - The Big Sleep

    S15:E22

    In this story, Horizon takes a look at the world's leading hibernation research projects.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  23. Horizon Season 15 Episode 23 - The Vital Spark
    0.0/10(0 votes)

    #23 - The Vital Spark

    S15:E23

    In this episode, Horizon examines the current developments in electrotherapy.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  24. Horizon Season 15 Episode 24 - The Red Deer of Rhum
    0.0/10(0 votes)

    #24 - The Red Deer of Rhum

    S15:E24

    Horizon takes a look at the changing behaviour of individual animals in a herd of red deer on the Isle of Rhum.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

Season 15 Ratings Summary

"Living Machines" is the best rated episode of "Horizon" season 15. It scored /10 based on 0 votes. Directed by Unknown and written by Unknown, it aired on 1/6/1978. This episode is rated 0.0 points higher than the second-best, "A Land for All Reasons".