Inspired by ideas about nuclear war, a theory that the Earth was encased in ice 650 million years ago has gained popularity in the science community. This program explains how this condition came about, how it ended, the impact on the evolution of animal life and presents the evidence for these conclusions. Written by
Did You Know?
The intro of each episode (bar the final one) features the presenter Tony Robinson summarizing the specific disaster as it spectacularly destroys London behind him. See more