Miracle Planet is a six-part documentary series, co-produced by Japan's NHK and the National Film Board of Canada (NFB), narrated by Christopher Plummer, which tells the 4.6-billion-year-old story of how life has evolved from its humble beginnings to the diversity of living creatures today. Snowball Earth This episode mainly focuses on the two Snowball Earth events in the mid-Precambrian period, and the effect they had on life. It simulates a similar occurrence in the modern day. Animals included Tribrachidium, Yorgia and Kimberella. arandaspis trilobites chain coral (fossil)