Hidden Beneath the Cities: Story, Cast and Series Facts

Story and premise

Hidden Beneath the Cities uncovers the extraordinary worlds lying just below modern urban centers. Beneath the streets of stone, soil and concrete exist hidden realms shaped by survival, ritual and imagination. Uncovers the extraordinary worlds that exist beneath major urban centres, from the tombs and wartime shelters of Naples to the manmade Royston Cave in Hertfordshire, England.

Series details

• Title: Hidden Beneath the Cities
• Format: Documentary
• Language: English
• Genres: History
• Premiere date: 2026-04-24
• Status in TVmaze: To Be Determined
• Network listed by TVmaze: National Geographic
• Network country: United States
• TVMaze ID: 91623
• IMDb ID: tt41568958
• TVDB ID: 477303

Seasons in the TVmaze catalogue

• Season 1: premiered 2026-04-24; final listed air date 2026-05-22; episode order: 10.

Source and licence

Adapted from Hidden Beneath the Cities on TVmaze. The synopsis is reproduced as plain text; catalogue facts, cast and season records are selected and reformatted. This adapted text is available under CC BY-SA 4.0, following the TVmaze API licence. Network and web-channel credits identify the service listed in this source; they do not establish current streaming availability.