TV show
Underground Marvels
6.5Returning SeriesTV-PG9 episodes
Historians, engineers, and experts take a look at the underground structures, systems, and phenomena that exist beneath our feet.
Start from S1E4Seasons
Episodes
S1 E4
The Renegade's Lair
Nov 7, 2019
A strange underground system known as the Black Cave was home to an infamous nobleman on the run from the law; today, experts investigate the secrets he left here to discover new parts of this mysterious network.
S2 E3
Episode 3
Sep 13, 2021
S2 E4
Episode 4
Oct 11, 2021
S2 E5
Episode 5
Oct 11, 2021
S2 E6
Episode 6
Oct 11, 2021
S2 E7
Episode 7
Oct 11, 2021
S2 E8
Episode 8
Oct 11, 2021
S2 E9
Episode 9
Oct 11, 2021
S2 E10
Episode 10
Oct 12, 2021
Cast
Crew
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