What on Earth?
America's Secret Apocalypse (9x10)
Season finale
Air date: May 13, 2021
Satellite images reveal a mysterious pattern of six perfect circles hidden in the desert landscape of New Mexico; experts investigate and uncover evidence of catastrophic military testing deliberately erased from history.
- Premiered: Feb 2015
- Episodes: 163
- Followers: 23
- Running
- Science Channel
- Tuesday at 21
