What on Earth?
Ghost Ship of Hell Island (4x19)
Air date: Mar 06, 2018
A ghost ship is found abandoned on a remote island that's home to one of the world's last uncontacted tribes. A strange labyrinth in Sicily might have a sinister connection to the Mafia. New evidence reveals a mysterious military compound in Russia.
- Premiered: Feb 2015
- Episodes: 163
- Followers: 24
- Running
- Science Channel
- Tuesday at 21