DESC: As seen on PBS, two one-hour EVOLUTION programs narrated by Liam Neeson (SCHINDLER'S LIST, MICHAEL COLLINS). See individual titles for further details. GREAT TRANSFORMATIONS: Actor Liam Neeson narrates this look into the biggest developments in human evolution. The program studies intelligence and the four-limbed body plan in humans. Also included are segments on animal life from water to land and the return of mammals to the sea. EXTINCTION!: This episode of the documentary/mini-series explores the possibility of mass extinction on Earth. Included are sections on the causes of extinction, as well as the most recent sources of it found in today's society. The program also attempts to apply evolutionary theory to its findings.