H2O: The Molecule That Made Us is a 3-hour series from WGBH Boston, airing in three one hour episodes. The film dramatically reveals how water underpins every aspect of our existence. In the emptiness of outer space, Earth is alive because of water. Humanity's relationship with this simple molecule is everything and has been both positive and negative. Explore our interdependent relationship with water and the cosmos.—Ian Scheil