TV Series Detail

Hidden Beneath the Cities (2026)
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.

Episodes:

Show as Filenames

S#	E#	Title	Air Date
1	10	Secret School and Concealed Castle Cemetery	04/27/26
1	9	Subterranean Seoul and Railway Revealed	04/27/26
1	8	Bones Beneath and Coffins & Coins	04/27/26
1	7	Buried Battleship and Viking Victims	04/27/26
1	6	Subterranean Secrets and Forgotten Foundations	04/27/26
1	5	Labyrinths and Legends	04/27/26
1	4	Tunnels and Tombs	04/27/26
1	3	Hidden Hypogeum and Lost Letters	04/27/26
1	2	Crystal Cathedrals and Buried Bunkers	04/27/26
1	1	Underground Cities and Secret Chambers	04/27/26