Season 1

Scientists examine evidence of a 50ft tidal wave that surged across the American state of Washington around 12,000 years ago, in a bid to explain where it came from.

A giant volcano that lies below the water's surface in a lake in south-east Asia, and the widespread devastation that would be wrought across the planet if it ever erupted

Investigates the Earth's rising incidence of volcanic activity. Research indicates that in the last 1,000 years volcanic activity has increased a staggering 300 per cent!

Expert testimony from leading scientists combines with stunning computer imaging technology to bring to life vivid depictions of the killer hyper hurricanes that once ravaged the Earth.

No overview available for this episode.

No overview available for this episode.

Volcanoes, Earthquakes, Megafloods, massive tectonic eruptions of rock! Ice dams the size of whole continents, and other bizarre and powerful phenomena have created the American West.

For the first time in human history, scientists have found the ultimate fate of Earth written in the comet trail of a massive red giant 'shooting' star.

65 million years ago an asteroid hit the Earth and wiped out the dinosaurs, but no one has ever known where the asteroid came from and how it killed off nearly three quarters of all life on Earth...