### Episodes

Series | Episode | Title | First Broadcast | Repeated | Comments |
---|---|---|---|---|---|

02 | Pi | 20011002 | 20020312 | He looks at pi - the ratio of a circle's circumference to its diameter. | |

03 | The Golden Ratio | 20011009 | 20020313 | He explores the secrets of the golden ratio, 1 to 1.6, which turns up throughout science, maths and nature. | |

04 | I | 20011016 | 20020314 | He considers the mysterious imaginary number i, the square root of -1. | |

05 LAST | Infinity | 20011023 | 20020315 | He concludes his investigation with a look at infinity. | |

01 | 01 | Zero | 20010925 | 20020311 | He begins with zero, from the zeroes of the mathematicians to the void of the philosophers. |

01 | 02 | Pi | 20011002 | 20020312 | He looks at pi - the ratio of a circle's circumference to its diameter. |

01 | 03 | The Golden Ratio | 20011009 | 20020313 | He explores the secrets of the golden ratio, 1 to 1.6, which turns up throughout science, maths and nature. |

01 | 04 | I | 20011016 | 20020314 | He considers the mysterious imaginary number i, the square root of -1. |

01 | 05 LAST | Infinity | 20011023 | 20020315 | He concludes his investigation with a look at infinity. |