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| Aflevering | Eerste uitzending |
|---|---|
| S01E01 - Underground Cities and Secret Chambers | 27/04/2026 |
| S01E02 - Crystal Cathedrals and Buried Bunkers | 27/04/2026 |
| S01E03 - Hidden Hypogeum and Lost Letters | 27/04/2026 |
| S01E04 - Tunnels and Tombs | 27/04/2026 |
| S01E05 - Labyrinths and Legends | 27/04/2026 |
| S01E06 - Subterranean Secrets and Forgotten Foundations | 27/04/2026 |
| S01E07 - Buried Battleship and Viking Victims | 27/04/2026 |
| S01E08 - Bones Beneath and Coffins & Coins | 27/04/2026 |
| S01E09 - Subterranean Seoul and Railway Revealed | 27/04/2026 |
| S01E10 - Secret School and Concealed Castle Cemetery | 27/04/2026 |