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 ?
| Title | Think of a Number - Season 1 Episode 3 |
|---|---|
| Year | 1984 |
| Genre | Family, Kids |
| Country | United Kingdom |
| Studio | BBC One |
| Cast | Johnny Ball |
| Crew | Johnny Ball (Writer), Ann Reay (Producer), Cynthia Felgate (Producer) |
| Alternative Titles | |
| Keyword | |
| First Air Date | Apr 12, 1978 |
| Last Air date | Feb 08, 1984 |
| Season | 5 Season |
| Episode | 30 Episode |
| Runtime | 30:14 minutes |
| Quality | HD |
| IMDb: | 6.50/ 10 by 2.00 users |
| Popularity | 1.883 |
| Language | English |
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