What on Earth?
Siberian Hell Pit (3x16)
Air date: Mar 07, 2017
A massive chasm appears in a remote part of the Siberian forest, and locals call it to a gate to the underworld. An island disappears, and investigators are mystified.
- Premiered: Feb 2015
- Episodes: 163
- Followers: 23
- Running
- Science Channel
- Tuesday at 21