What on Earth?

Season 6 Episode 1: World's Deadliest Threats

The world's most dangerous threats are in top-secret locations all over the planet, and using cutting-edge technology, experts reveal the truth behind these sinister mysteries from space.

Genre:

Documentary

Seasons:

12

Episodes:

131

Actor:

Steven Kearney, Andrew Gough

Quality:

HD

Status:

Returning Series

First Air:

2015

IMDb:

6.4