Is Hidden Beneath the Cities coming back?

Hidden Beneath the Cities ended on April 27, 2026. The show concluded its first season with its final episode airing on that date on National Geographic.

Hidden Beneath the Cities was a documentary series that explored the hidden worlds beneath major urban centers around the world. The series examined underground environments such as tombs, wartime shelters, and manmade caves, revealing how these spaces were shaped by survival, ritual, and imagination. It provided viewers with a look into the secret realms lying beneath cities like Naples and Hertfordshire, uncovering stories and mysteries that are often hidden from plain sight.

The show did not specify a runtime for its episodes. It was a one-season series that aired in 2026, offering a fascinating view into the underground spaces beneath some of the world's most notable cities.