Underground Marvels
2019
Science Channel
2 Seasons
20 Episodes
Uncovering subterranean phenomena around the globe, their impressive stories, unique origins, essential roles throughout history, and the secrets they keep hidden deep below.
Underground Marvels Season 3 is yet to be announced by Science Channel
Current Show StatusUnderground Marvels Season 3 — not renewed yet
Latest Episode
Aired Thu 10/7/2021
Medieval Maze of Secrets
Season 2: Episode 10
Next Episode
Sorry, no dates yet for Underground Marvels.
The show is either on a break or the new season is yet to be scheduled. We’ll keep you posted.
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Episodes
Season 2
Season 1
| # | Name | Air Dates |
|---|---|---|
| 1 | Hotel Bunker of the Apocalypse | Aug 5, 2021 |
| 2 | Mystery of the Kentucky Cave | Aug 12, 2021 |
| 3 | Cincinnati's Secret Caverns | Aug 19, 2021 |
| 4 | Buried Lab of the Black Hills | Aug 26, 2021 |
| 5 | Ireland's Underground Alcatraz | Sep 2, 2021 |
| 6 | Subterranean Silo Survival | Sep 9, 2021 |
| 7 | Italy's Subterranean Secret | Sep 16, 2021 |
| 8 | Grand Canyon's Lost Treasure | Sep 23, 2021 |
| 9 | Murder Raid Tunnels | Sep 30, 2021 |
| 10 | Medieval Maze of Secrets | Oct 7, 2021 |
| # | Name | Air Dates |
|---|---|---|
| 1 | Secrets of the Rock | Oct 17, 2019 |
| 2 | Mystery of the Lost Labyrinth | Oct 24, 2019 |
| 3 | Secrets of the Terror Tunnels | Oct 31, 2019 |
| 4 | The Renegade's Lair | Nov 7, 2019 |
| 5 | Cave of the Body Snatchers | Nov 14, 2019 |
| 6 | World's Biggest Labyrinth | Nov 21, 2019 |
| 7 | Treasures of the Lost Mine | Dec 5, 2019 |
| 8 | Ghosts of the Hell Maze | Dec 12, 2019 |
| 9 | Conspiracy in the Buried City | Dec 19, 2019 |
| 10 | Curse of Cannibal Caves | Dec 26, 2019 |
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