Title rated 3.75 out of 5 stars, based on 18 ratings(18 ratings)
DVD, 2015
Current format, DVD, 2015, , No Longer Available.
DVD, 2015
Current format, DVD, 2015, , No Longer Available. Offered in 0 more formats
It's a mystery on a global scale: five times in Earth's past, life has been nearly extinguished, the vast majority of plants and animals annihilated in a geologic instant. What triggered these dramatic events? And what might they tell us about the fate of our world? Joins scientists around the globe as they unravel the mysteries of two of the most dramatic mass extinction.
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English dialogue; English subtitles for the deaf and hard of hearing.
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