Professor Brian Cox reveals how all the beauty and order we see in our cosmic backyard was carved out of nothing more than a chaotic cloud of gas. Chasing tornados in Oklahoma, Brian explains how the same physics that creates these spinning storms shaped the young Solar System. And out of this celestial maelstrom emerged the jewel in the crown, Brian's second Wonder - the magnficent rings of Saturn. Brian travels to an ice-choked lagoon in Iceland to see the nearest thing to Saturn's rings we have here on Earth. Using the latest scientific imagery and breath-taking graphics, he explains how the intricate patterns are shaped by the cluster of more than 60 moons surrounding Saturn. One of those moons makes a spectacular contribution to Saturn's rings, and is the third Wonder of the Solar System. Brian describes the astonishing discovery of giant fountains of ice erupting from the surface of Enceladus, which soar thousands of kilometres into space.