What On Earth?
TVPG
Science
Documentary
An exploration of breathtaking images and unfathomable mysteries.
Cast & Crew
Upcoming TV Airings
The airings below are based on a generic national schedule. Times and dates can vary by TV provider.
Friday, May 8
Lair of the Living God
Season 10 • Episode 10
Satellite images capture a cone-like structure perched on the summit of a mountain range in Turkey.
Friday, May 8
Mystery of the Cursed Forest
Season 10 • Episode 6
Experts investigate an experimental bomb testing site critical to WWII British weapons development.
Friday, May 8
Secrets of the Roman Occult
Season 10 • Episode 7
Aerial drone imaging captures a sophisticated complex of lost, ancient Roman buildings in Yorkshire.
Friday, May 8
Legend of Moonshine Forest
Season 10 • Episode 8
Experts investigate a landscape linked to prohibition activity and a prolific WWI munitions factory.
Friday, May 8
Code of the Viking Witch
Season 10 • Episode 5
Experts uncover a mysterious labyrinth with links to ancient Viking black magic and dark rituals.
Friday, May 8
Hidden Fortress of Secrets
Season 10 • Episode 4
Satellite images capture a strange castle-like structure hidden in the dense woodlands of Scotland.
Friday, May 8
Nuclear Ghost Towns
Season 10 • Episode 9
A collection of sprawling towns that appear to be completely unoccupied in Belarus.
Saturday, May 9
Code of the Viking Witch
Season 10 • Episode 5
Experts uncover a mysterious labyrinth with links to ancient Viking black magic and dark rituals.
Saturday, May 9
Hidden Fortress of Secrets
Season 10 • Episode 4
Satellite images capture a strange castle-like structure hidden in the dense woodlands of Scotland.
Saturday, May 9
Nuclear Ghost Towns
Season 10 • Episode 9
A collection of sprawling towns that appear to be completely unoccupied in Belarus.
Saturday, May 9
Legend of Moonshine Forest
Season 10 • Episode 8
Experts investigate a landscape linked to prohibition activity and a prolific WWI munitions factory.
Saturday, May 9
Lair of the Living God
Season 10 • Episode 10
Satellite images capture a cone-like structure perched on the summit of a mountain range in Turkey.
Watchlist Easy access to only the shows you care about — all in one simple place
Alerts Only important notifications — when a show is returning, when it becomes available to stream, and more.
Special Offers Exclusive products we release related to your favorite shows and streaming services