
About this season
Earth as it has never been seen before, by challenging preconceived notions about the world, making use of cutting-edge scientific tools, and travelling over, across and deep into the Earth's crust to learn just what makes the world tick.
Episodes (3)

1. Seattle Mega Quake
7.0Aired 6 May 2020 • 45 min
X-raying the earth reveals a vast fault 80 miles off the Pacific Northwest coast. For over 300 years pressure has been silently building. When it slips if will generate a megaquake and tsunami that will devastate the region threatening the lives of 15 million residents living in Cascadia. Now scientists are racing to understand how bad the destruction will be when the really Big One hits.

2. Atlantic Coast Killer
7.0Aired 13 May 2020 • 45 min
An Atlantic island could collapse, sending a killer tsunami headed straight for the U.S. East Coast.

3. Volcano Apocalypse
7.0Aired 20 May 2020 • 46 min
A large volcano beneath Yellowstone National Park could plunge Earth into a volcanic winter.