Air date: 2013-10-09

Runtime: 45 min

The hosts visit Asia to study a destructive volcano in the premiere of this series featuring the study of geological events.

Air date: 2013-10-16

Runtime: 45 min

Investigating a giant asteroid that may have been responsible for killing off the dinosaurs. Also: a NASA super gun; an underground river in Mexico.

Air date: 2013-10-23

Runtime: 45 min

Examining whether Iceland's volcanoes could cause global problems in the future.

Air date: 2013-10-30

Runtime: 45 min

Catastrophic geological events in Hawaii's history are examined.

Air date: 2013-11-06

Runtime: 45 min

Biologist Liz Bonnin and Geologist Martin Pepper investigate the world’s most dangerous volcano Mount Vesuvius only to discover that the three million people of Naples live in the shadow of another, much more deadly super volcano, called Campi Flegrei.

Air date: 2013-11-13

Runtime: 45 min

Uranium used for the atomic bomb is sought in the Rocky Mountains.

Air date: 2013-11-20

Runtime: 45 min

Evidence of the Ice Age is sought in North America.

Air date: 2013-11-27

Runtime: 45 min

A look at volcanoes, earthquakes and tsunamis in Japan.