Ancient Discoveries: Season 4
This season started on January 28, 2008. The table lists episodes with recorded air dates up to September 28, 2026.
| Ep | Title and air date | My place |
|---|---|---|
| 1 | Lost Cities of the Deep | |
| 2 | Ancient Super Navies | |
| 3 | Ancient Super Ballistics · 60 min | |
| 4 | Ancient Death Machines | |
| 5 | Ancient Chinese Super Ships · 60 min | |
| 6 | Ancient New York |
