Descending: Season 1
This season started on February 19, 2012. The table lists episodes with recorded air dates up to September 28, 2026.
| Ep | Title and air date | My place |
|---|
| 1 | The Rest of the Map | |
| 2 | The Poor Knights | |
| 3 | The Sea Less Travelled | |
| 4 | The Emerald Sea | |
| 5 | The Dive God | |
| 6 | The Deep | |
| 7 | The Big Six | |
| 8 | The Hunt for the Red Devil | |
| 9 | The Smoking Earth | |
| 10 | The Ghosts of the Pacific | |
| 11 | The Great Lakes · 60 min | |
| 12 | The Four Kings · 60 min | |
| 13 | The Underworld | |
