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| Aflevering | Eerste uitzending |
|---|---|
| S04E01 - Pre-Diluvian Civilizations | 11/09/2022 |
| S04E02 - Zep Tepi: The Lost History of Egypt | 18/09/2022 |
| S04E03 - Lost Civilizations of the Fertile Crescent | 25/09/2022 |
| S04E04 - Underground Cities of Cappadocia | 02/10/2022 |
| S04E05 - The Sunken Kingdom of Krishna | 09/10/2022 |
| S04E06 - Moai Megaliths of Easter Island | 16/10/2022 |
| S04E07 - The Layers of Machu Picchu | 23/10/2022 |
| S04E08 - Megalithic Mysteries of Lake Titicaca | 30/10/2022 |
| S04E09 - Pre-Diluvian Architects of Palenque | 06/11/2022 |
| S04E10 - Japanese Megaliths & the Mu Empire | 13/11/2022 |