HowtheEarthWasMadepremieredasa90-minutedocumentaryspecial,narratedbyEdwardHerrmann,thatairedonTheHistoryChannelonDecember16,2007,andfocusedonthegeologicalhistoryofEarth.
ThetelevisionseriespremieredonFebruary10,2009.Each45-minuteepisodefocusesondifferentgeologicfeaturesandprocessesoftheEarth.Thefirstseason,spanning13episodes,concludedonMay5,2009.ThesecondseasonpremieredonNovember24,2009.
地球起源第一季在线观看，由
IG电影天堂(http://www.igdytt.com)友情提供。如果觉得本片不错，请分享给你的朋友！
