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| Aflevering | Eerste uitzending |
|---|---|
| S04E01 - How the Universe Built Your Car | 14/07/2015 |
| S04E02 - Earth, Venus's Evil Twin | 21/07/2015 |
| S04E03 - Monster Black Hole | 28/07/2015 |
| S04E04 - Edge of the Solar System | 04/08/2015 |
| S04E05 - Dawn of Life | 11/08/2015 |
| S04E06 - Secret History of the Moon | 18/08/2015 |
| S04E07 - The First Oceans | 25/08/2015 |
| S04E08 - Forces of Mass Construction | 01/09/2015 |