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All Episodes of Think of a Number

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Browse all episodes of Think of a Number

All Episodes of Think of a Number

A light-hearted exploration of maths and science, presented by Johnny Ball.
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Season 1

  • Episode 1
    N/A/100 votes

    Episode 1

    Season 1 Episode 1 - Aired 4/12/1978

    Johnny Ball, with the help of a studio audience, will show some mind-stretching models, blistering ballistics, lightning calculations and some shocking ways to store your energy - and let it go.

    Director: Unknown

    Writer: Unknown

  • Episode 2
    N/A/100 votes

    Episode 2

    Season 1 Episode 2 - Aired 4/19/1978

    This week Johnny discovers why hands are so handy, how to make sense of your senses, automate an automaton and how bionic a bionic man can be. Meanwhile - Think of a Number - How many times can you take 3 from 24 ?

    Director: Unknown

    Writer: Unknown

  • Materials
    N/A/100 votes

    Materials

    Season 1 Episode 3 - Aired 4/26/1978

    This week Johnny looks at family trees, works out how to get rid of a boomerang, puts nylon in an endless spin and turns a fossil back into a dinosaur with the aid of an element that never forgets. Meanwhile - Think of a Number - a half is a third of it - what's the number ?

    Director: Unknown

    Writer: Unknown

  • Water
    N/A/100 votes

    Water

    Season 1 Episode 4 - Aired 5/3/1978

    Lots of giggles and quite a few gurgles as Johnny explores water from H to O. Meanwhile - Think of a Number. At a quick guess, which set of numbers has the larger total ?

    Director: Unknown

    Writer: Unknown

  • The Shape of Wealth
    N/A/100 votes

    The Shape of Wealth

    Season 1 Episode 5 - Aired 5/10/1978

    This week Johnny discovers some dicey things about dice and a number over a thousand miles long; also something heavy about gold and cutting about diamonds. Meanwhile - Think of a Number. By using two minus and one plus signs make this all add up! 123456789 = 10

    Director: Unknown

    Writer: Unknown

  • Episode 6
    N/A/100 votes

    Episode 6

    Season 1 Episode 6 - Aired 5/17/1978

    This time Johnny considers why the Earth is in a flat spin; talks about what makes tocks tick and how to gain on the swings and roundabouts. So meanwhile - Think of a Number - Divide 50 by a half and add three. What's the answer ?

    Director: Unknown

    Writer: Unknown