The Discovery Channel presents Before We Ruled the Earth: Hunt or Be Hunted. This historical nature program uses reenactments and computer animation to portray the earliest known humans. Watch the progress of human evolution from homo erectus to the Cro-Magnons, presented along with timelines, archaeological information, and fossil records. This episode shows the daily survival tactics of the early hominids to eat or be eaten. ~ Andrea LeVasseur, All Movie Guide