Alex searches for a scientific explanation for the terrifying phenomenon known as ice bombs, which cause fear, devastation and even injury.

Mysterious, alien sky sounds terrify Canadian residents, who struggle to locate their source.

Alex Hannaford heads to the US to investigate a `bird apocalypse', where it rained blackbirds.

Alex Hannaford heads to South Australia to investigate a terrifying rodent infestation.

In Australia's Northern Territory, many of fish were reported to have rained down on the Outback.

Alex Hannaford heads to America to investigate reports of balls of light, known as Spook Lights.