Take a global tour in four themed episodes, answering the simplest questions about the complex forces that shape our planet. Why is water blue? How can a shape defy gravity? Why do bees make hexagonal honeycombs? And how do these things affect our own lives? Discover what lies beneath Earth s startling beauty as we reveal the secrets of our cosmos and the natural forces that govern everything within it.

• MPAA rating ‏ : ‎ PG (Parental Guidance Suggested)
• Product Dimensions ‏ : ‎ 0.7 x 7.5 x 5.4 inches; 2.4 ounces
• Media Format ‏ : ‎ NTSC, Widescreen
• Run time ‏ : ‎ 4 hours
• Release date ‏ : ‎ November 1, 2016
• Studio ‏ : ‎ PBS
• Number of discs ‏ : ‎ 2