Explore the mysteries of the universe with this provocative documentary program employing engaging special effects and immersive computer animation. Collected in this four-disc set are 16 compelling episodes of the online series, including "Mysteries of a Dark Universe," "The Search for Habitable Planets," "Attack of the Sun," "Birth of the Moon," "When Will Time End?," "The Largest Black Holes in the Universe," and more. 7 3/4 hrs. total. Widescreen; Soundtrack: English.