What on Earth? S04E20 Mayan Armageddon: The New Evidence

What on Earth? S04E20 Mayan Armageddon: The New Evidence

What on Earth? S05E01 CIA Killer Monks

What on Earth? S05E01 CIA Killer Monks

What on Earth? S05E02 Monsters at Fort Madness

What on Earth? S05E02 Monsters at Fort Madness

What on Earth? S05E03 Satan in Siberia

What on Earth? S05E03 Satan in Siberia

What on Earth? S05E04 Curse of the Ice Zombies

What on Earth? S05E04 Curse of the Ice Zombies

What on Earth? S05E05 Ghost Fleet of Cannibal Bay

What on Earth? S05E05 Ghost Fleet of Cannibal Bay

What on Earth? S05E06 Finding Jack the Ripper

What on Earth? S05E06 Finding Jack the Ripper

What on Earth? S05E07 Mystery of the Desert Shipwrecks

What on Earth? S05E07 Mystery of the Desert Shipwrecks

What on Earth? S05E08 Blood in the Garden of Eden

What on Earth? S05E08 Blood in the Garden of Eden

What on Earth? S05E09 Phantoms in the Chamber of Secrets

What on Earth? S05E09 Phantoms in the Chamber of Secrets

What on Earth? S06E01 World's Deadliest Threats

What on Earth? S06E01 World's Deadliest Threats

What on Earth? S06E02 Monsters of Diamond Desert

What on Earth? S06E02 Monsters of Diamond Desert

What on Earth? S06E03 North Korea Death Star

What on Earth? S06E03 North Korea Death Star

What on Earth? S06E04 Aliens of the Infinity War

What on Earth? S06E04 Aliens of the Infinity War

What on Earth? S06E05 The Cave to Hell

What on Earth? S06E05 The Cave to Hell

What on Earth? S06E06 Terror of the Ice Snake

What on Earth? S06E06 Terror of the Ice Snake

What on Earth? S06E07 Curse of Genghis Khan

What on Earth? S06E07 Curse of Genghis Khan

What on Earth? S06E08 The King at Roswell

What on Earth? S06E08 The King at Roswell

What on Earth? S07E01 Nazi Doomsday Forest

What on Earth? S07E01 Nazi Doomsday Forest

What on Earth? S07E02 Bermuda Triangle of Space

What on Earth? S07E02 Bermuda Triangle of Space

What on Earth? S07E03 Chernobyl's Nuclear Monsters

What on Earth? S07E03 Chernobyl's Nuclear Monsters

What on Earth? S07E05 Armageddon USA

What on Earth? S07E05 Armageddon USA

What on Earth? S07E04 Curse of Phantom Island

What on Earth? S07E04 Curse of Phantom Island

What on Earth? S07E06 Amazon's Secret Nightmare

What on Earth? S07E06 Amazon's Secret Nightmare

What on Earth? S07E07 Ghost Town Terror

What on Earth? S07E07 Ghost Town Terror

What on Earth? S07E08 Imhotep's Lost Labyrinth

What on Earth? S07E08 Imhotep's Lost Labyrinth

What on Earth? S06E09 Treasures of Monster Graveyard

What on Earth? S06E09 Treasures of Monster Graveyard

What on Earth? S07E10 Hunt for Atlantis

What on Earth? S07E10 Hunt for Atlantis

What on Earth? S07E11 Ruins Of Cannibal City

What on Earth? S07E11 Ruins Of Cannibal City

What on Earth? S08E01 Zombietown USA

What on Earth? S08E01 Zombietown USA