Mysteries of the Abandoned: Hidden America: Season 4
This season started on April 23, 2025. The table lists episodes with recorded air dates up to September 28, 2026.
| Ep | Title and air date | My place |
|---|---|---|
| 1 | The Cult Hotel | |
| 2 | Hunting for the Ship of Gold | |
| 3 | America's Gun Factory | |
| 4 | Nazi Secrets in the Empire State | |
| 5 | The Vermont Doomsday Gun | |
| 6 | Idaho's Atomic Ghost Town | |
| 7 | The Lair of the Mothman · 56 min | |
| 8 | Secrets of the Olympia Brewery · 52 min | |
| 9 | America's Hidden Training Camp · 52 min |
