Space's Deepest Secrets: Season 3
This season started on August 22, 2017. The table lists episodes with recorded air dates up to September 28, 2026.
| Ep | Title and air date | My place |
|---|---|---|
| 1 | Hunt for the Hidden Cosmos · 42 min | |
| 2 | When Meteors Attack · 42 min | |
| 3 | Inside the New Space Race · 42 min | |
| 4 | Search for Alien Earths · 42 min | |
| 5 | Cassini's Grand Finale · 42 min | |
| 6 | The Sun's Greatest Mysteries · 42 min | |
| 7 | Expedition Extraterrestrial · 42 min | |
| 8 | When Black Holes Collide · 42 min |
