Mass extinctions have shaped and reshaped the landscape of life on earth throughout its history. In this program we chronicle the history of mass extinctions and their effect on evolution. We learn that these events not only destroy life, but also create the fertile ground from which life can take root again.

Originally released by Film Ideas, 2013. Streaming video file encoded with permission for digital streaming by Infobase on March 15, 2019.

Ediacaran Biota (3:42); --Ediacaran Biota Extinction (5:12); -- Trilobites (6:27); -- Permian Extinction (3:31); -- Factors in Survival (2:42); -- K-T Boundary (3:16); -- Dinosaur Mass Extinction (3:45); -- Mammal Age (2:15); -- Human Impact on the Environment (6:04); -- Human Species Debate (2:26); -- History of Life (1:47); -- Credits: Extinction: An End and a New Beginning (0:49); .