The world beneath our feet is in a constant and often violent state of flux. Earthquakes, volcanic eruptions, sink holes and tsunamis are reminders of the ever changing planet we occupy. But while we understand the consequences, we know little about the causes and even less of the story they tell about how the world as we know it was formed and continues to evolve.

Includes the following episodes:

Episode 1: Mountains and Caves
Episode 2: Volcanoes
Episode 3: Earthquakes