4 - 10Ghosts of the Stone AgeDec. 18, 2018- 4 - 9Lost City of the MayaDec. 11, 2018
- 4 - 8Ramses' Buried TreasuresDec. 04, 2018
- 4 - 7Curse of the Jungle TreasureNov. 27, 2018
- 4 - 6Egypt's Lost SkyscrapersNov. 20, 2018
- 4 - 5Inca Apocalypse: The Dark EvidenceOct. 30, 2018
- 4 - 4Secrets of the Forbidden CityOct. 23, 2018
- 4 - 3Pompeii's Doomsday MummiesOct. 16, 2018
- 4 - 2Mystery of the Cursed PyramidOct. 09, 2018
- 4 - 1Titanic: The Last SecretsOct. 02, 2018
The fourth season kicks off with an investigation into the Titanic and its infamous demise. Among the other site explored in the new season are Pompeii’s last unexplored quarter, the Bent Pyramid in Egypt and the lost city of Tikal located deep inside the Guatemalan jungle.
