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The Best Episodes of Horizon Season 21

Every episode of Horizon Season 21 ranked from best to worst. Discover the Best Episodes of Horizon Season 21!

Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Genre:Documentary
Network:BBC Two

Season 21 Ratings Summary

"The Intelligence Man" is the best rated episode of "Horizon" season 21. It scored N/A/10 based on 0 votes. Directed by N/A and written by N/A, it aired on 1/9/1984. This episode is rated NaN points higher than the second-best, "Microworld!".

  • The Intelligence Man
    NaN/100 votes

    #1 - The Intelligence Man

    Season 21 Episode 1 - Aired 1/9/1984

    Sir Cyril Burt died in 1971, the most eminent psychologist of his age. Within two years the most bitter and disturbing scientific controversy since Piltdown Man saw Burt accused of lifelong faking and manipulation of phoney data. How and why was Burt allowed to get away with this?

    Director: N/A

    Writer: N/A

  • Microworld!
    NaN/100 votes

    #2 - Microworld!

    Season 21 Episode 2 - Aired 1/16/1984

    Horizon looks at the research advances in physics and technology of microelectronics.

    Director: N/A

    Writer: N/A

  • A New Green Revolution?
    NaN/100 votes

    #3 - A New Green Revolution?

    Season 21 Episode 3 - Aired 1/23/1984

    This episode of Horizon looks at the role of scientists in agriculture throughout the Third World countries.

    Director: N/A

    Writer: N/A

  • Spies in the Wires
    NaN/100 votes

    #4 - Spies in the Wires

    Season 21 Episode 4 - Aired 1/30/1984

    Horizon examines the various ways of committing computer fraud and at the efforts to prevent it and preserve our privacy.

    Director: N/A

    Writer: N/A

  • Valley of the Inca
    NaN/100 votes

    #5 - Valley of the Inca

    Season 21 Episode 5 - Aired 2/13/1984

    In this documentary, Horizon examines the work at an archaeological project in the Cusichaca Valley, Peru.

    Director: N/A

    Writer: N/A

  • The Conquest of Parasites
    NaN/100 votes

    #6 - The Conquest of Parasites

    Season 21 Episode 6 - Aired 2/27/1984

    Horizon presents this report on parasites, their life styles, and the diseases they cause in Third World countries.

    Director: N/A

    Writer: N/A

  • Reflections on a River
    8.1/1014 votes

    #7 - Reflections on a River

    Season 21 Episode 7 - Aired 3/5/1984

    Horizon investigates the life for various civilizations along the river Waveney in east Angola.

    Director: N/A

    Writer: N/A

  • A Normal Face
    NaN/100 votes

    #8 - A Normal Face

    Season 21 Episode 8 - Aired 3/12/1984

    Horizon presents a report on current research and trends in facial reconstructive surgery.

    Director: N/A

    Writer: N/A

  • Prisoners of Incest
    NaN/100 votes

    #9 - Prisoners of Incest

    Season 21 Episode 9 - Aired 3/19/1984

    In this documentary, Horizon reconstructs a therapy session where a man imprisoned for incest meets his family for first time in two and one half years.

    Director: N/A

    Writer: N/A

  • Signs of the Apes, Songs of the Whales
    NaN/100 votes

    #10 - Signs of the Apes, Songs of the Whales

    Season 21 Episode 10 - Aired 3/26/1984

    Horizon investigates the linguistic potential of non-human species.

    Director: N/A

    Writer: N/A

  • Professor Bonner and the Slime Moulds
    NaN/100 votes

    #11 - Professor Bonner and the Slime Moulds

    Season 21 Episode 11 - Aired 4/9/1984

    In the documentary, Horizon reports on the life of slime moulds and how they provides clues to cell differentiation.

    Director: N/A

    Writer: N/A

  • The Mind of a Murderer: The Case of the Hillside Strangler
    NaN/100 votes

    #12 - The Mind of a Murderer: The Case of the Hillside Strangler

    Season 21 Episode 12 - Aired 4/16/1984

    Horizon presents the first of a two-part documentary about Kenneth Bianchi, the Los Angeles Hillside Strangler, who was convicted of the murder of 12 women even though his defence was that he had no memory of the crimes.

    Director: N/A

    Writer: N/A

  • The Mind of a Murderer: The Mask of Madness
    NaN/100 votes

    #13 - The Mind of a Murderer: The Mask of Madness

    Season 21 Episode 13 - Aired 4/23/1984

    Horizon presents the second part of a two-part documentary about Kenneth Bianchi, the Los Angeles Hillside Strangler, who was convicted of the murder of 12 women even though his defence was that he had no memory of the crimes.

    Director: N/A

    Writer: N/A

  • A Cruel Inheritance
    NaN/100 votes

    #14 - A Cruel Inheritance

    Season 21 Episode 14 - Aired 4/30/1984

    Horizon reports on new medical techniques to diagnose the inherited diseases; sickle cell anaemia and cystic fibrosis.

    Director: N/A

    Writer: N/A

  • The Malvern Link
    NaN/100 votes

    #15 - The Malvern Link

    Season 21 Episode 15 - Aired 5/7/1984

    Horizon investigates the military bias of British scientific industries and the possible consequences if the bias continues.

    Director: N/A

    Writer: N/A

  • Contented Cows and Other Animals
    NaN/100 votes

    #16 - Contented Cows and Other Animals

    Season 21 Episode 16 - Aired 11/5/1984

    Horizon explores the behavioural patterns of sheep, cows, chickens, and pigs under both natural and intensive farming conditions.

    Director: N/A

    Writer: N/A

  • Picking Winners
    NaN/100 votes

    #17 - Picking Winners

    Season 21 Episode 17 - Aired 11/12/1984

    Horizon reports on the decline in the amount of gambling leading to a severe reductions in money to fund the scientific research in Britain.

    Director: N/A

    Writer: N/A

  • The Brain Puzzle
    NaN/100 votes

    #18 - The Brain Puzzle

    Season 21 Episode 18 - Aired 11/19/1984

    Horizon documents the current medical research into finding new ways of repairing damage to the brain and the central nervous system.

    Director: N/A

    Writer: N/A

  • Global Village
    8.1/1013 votes

    #19 - Global Village

    Season 21 Episode 19 - Aired 11/26/1984

    Horizon examines the concept and implications of a global village in Third World countries.

    Director: N/A

    Writer: N/A

  • Ivan
    NaN/100 votes

    #20 - Ivan

    Season 21 Episode 20 - Aired 12/3/1984

    In this documentary, Horizon spends a week with a victim of Parkinson's disease and how he has to use considerable muscular effort in order to cope with day-to-day life.

    Director: N/A

    Writer: N/A

  • A Mathematical Mystery Tour
    7.0/101 votes

    #21 - A Mathematical Mystery Tour

    Season 21 Episode 21 - Aired 12/10/1984

    Horizon attempts to explain some of the theories proposed by pure mathematicians over the ages.

    Director: N/A

    Writer: N/A

  • Supercharged
    NaN/100 votes

    #22 - Supercharged

    Season 21 Episode 22 - Aired 12/17/1984

    Horizon presents a chronological history of the development of the racing car during the 15 years prior to World War II.

    Director: N/A

    Writer: N/A