What on Earth?
11 Seasons
S2 E2
6/27/17
Omens of Armageddon
Strange images point to apocalyptic prophesies of doomsday. A top-secret nuclear arsenal in Russia. A deadly crater in the Arctic. A looming natural disaster in California. What on earth can explain them?
Seasons
Episode
1
Lost City of the Kalahari
Episode
2
Secret of Doomsday Mountain
Episode
3
Finding Vietnam's Lost POWs
Episode
4
Who Built Supervillain Island?
Episode
5
Curse of the Lost Kingdom
Episode
6