| TV-Episode Title | Release date | us | uk | aus | ger | can | fra |
|---|---|---|---|---|---|---|---|
| A Sky Full of Ghosts | 66 | ||||||
| Au commencement | 65 | ||||||
| Caché dans la lumière | 59 | ||||||
| La connaissance contre la peur | 88 | ||||||
| La Voie Lactée | 03 Nov 14 | 52 | 4 | ||||
| Ladder to the Stars | 20 | 22 | 44 | ||||
| Le premier génie | 40 | ||||||
| Les molécules en action | 03 Nov 14 | 5 | |||||
| Les mondes perdus de la planète Terre | 63 | ||||||
| Les prémices de la connaissance | 61 | ||||||
| Lost City of Life | 53 | ||||||
| Neues aus der Milchstraße | 30 Nov 14 | 68 | |||||
| Shadows of Forgotten Ancestors | 67 | ||||||
| Some of the Things Molecules Do | 16 Mar 14 | 82 | 46 | ||||
| Standing Up in the Milky Way | 09 Mar 14 | 38 | 11 | 42 | 16 | ||
| The Cosmic Connectome | 86 | ||||||
| The Electric Boy | 65 | ||||||
| The Fleeting Grace of the Habitable Zone | 87 | 61 | |||||
| The Immortals | 55 | ||||||
| Vavilov | 63 |