| # | Episode Title | Description | People | Date | |
|---|---|---|---|---|---|
| 1 | "Origins" Part 2 - Origins of Earth and the Solar System | Professor Alex Halliday explains how planets form from nothing but an area of space full of dust. Tiny differences between the elements that make up meteorites can give you an idea of how old they are and which part of the solar system they came from. | Alex Halliday, Chris Lintott | 07 Oct 2014 |