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Think of a Number

Think of a Number Season 5

Season 5 Episodes

1. In the Balance

January 4th, 198430 min

A 6 part series with Johnny Ball. Johnny bounces back with some lighthearted explorations into numbers and science. This week Johnny gets thrown off balance by two junior judo champions, but realising the gravity of the situation, recovers sufficiently to take a bicycle ride on a tightrope. Does he fall off ? Weight and see! Meanwhile - weigh this one up. A half is a third of it... what is it ?

2. Bounce and Stretch

January 11th, 198430 min

Watch Johnny spring through sand, cement and sponge cakes and discover new angles to pool playing.

3. Planes and Flights of Fancy

January 18th, 198430 min

This week Johnny Ball airs his views on Plain Planes and Flights of Fancy with the aid of paper darts, boomerangs, kites and the only model jet aircraft in the world.

4. The Maze of Ways from A to B

January 25th, 198430 min

Johnny takes off his waistcoat without removing his jacket and spins his way through maps and mazes, helped by a robot mouse. So if you're knot amused, at least you'll be amazed.

5. Say it with Numbers

February 1st, 198430 min

Johnny whistles for the thistle sifter, finds out how a turtle draws and even meets a computer that talks back. So, in a few words - sag a teat in front of the belly.

6. Beat It!

February 8th, 198430 min

This week, the last of the series, it's Think of a Number and Beat it! Johnny discovers that hitting things together goes down with a bang, crash, wobble and bonk - as well as a laugh. So if the mood strikes you-hit that button and watch out!

All Seasons

Season 5

Season 5

Jan 4, 1984
Season 4

Season 4

Sep 15, 1982
Season 3

Season 3

Sep 10, 1980
Season 2

Season 2

Sep 12, 1979
Season 1

Season 1

Apr 12, 1978
Specials

Specials

Apr 2, 1977