10 episodes
First episode: E1
Underground Marvels
Historians, engineers, and experts take a look at the underground structures, systems, and phenomena that exist beneath our feet.
Start Watching
Jump to the latest aired episode for this show.
Seasons
Browse season hubs and jump into episodes.
10 episodes
First episode: E1Show FAQ
Quick answers about this series, release status, and episode totals.
When did Underground Marvels first air?
Underground Marvels first aired on October 17, 2019.
How many seasons and episodes does Underground Marvels have?
Underground Marvels currently has 2 seasons and 20 episodes.
When is the next episode of Underground Marvels?
No official next-episode air date is listed for Underground Marvels right now.