Episodes
| Series | Episode | First Broadcast | Comments |
|---|---|---|---|
| 01 | 01 | 20070730 | One is the root of all counting and the most frequent first digit of any number. Simon Singh investigates the history of the most special numbers in maths |
| 01 | 02 | 20070731 | The idea of doubling that has established two as one of the most important tools in maths. Simon Singh investigates the history of the most special numbers in maths |
| 01 | 03 | 20070801 | Six is a rare perfect number, once revered by ancient civilisations. Simon Singh investigates the history of the most special numbers in maths |
| 01 | 04 | 20070802 | Newton's Gravitational Constant G has enormous significance for the entire universe. Simon Singh investigates the history of the most special numbers in maths |
| 01 | 05 | 20070803 | 1,729 can be expressed as the sum of two perfect cubes in two different ways. Simon Singh investigates the history of the most special numbers in maths |