Season
Episode
- Episode 1: Bullseye in the Sky
- Episode 2: Mystery of the Fallen Star
- Episode 3: Indiana's War Factory
- Episode 4: Turkey's Lost Terror Dome
- Episode 5: Blood Feud of Gresham Castle
- Episode 6: The Boneyard of Arizona
- Episode 7: Nevada's Mystery Marking
- Episode 8: Ghost Ship of Ireland
- Episode 9: Secrets of Biosphere 2
- Episode 10: Arctic Hunters of Norway
What on Earth? Season 12 Secrets of Biosphere 2
Satellites orbit Earth at 17,000 miles an hour, capturing images of our world that are breathtaking, but some are bizarre. This unique perspective reveals objects that seem to make no sense & phenomena that defy explanation. Such images force the question, what on Earth is that?
