www.bbc.co.uk/programmes/b00qyxfb
The presenter has a tad too much wide-eyed-wonder about him, but it was really interesting, using Saturn's rings to demonstrate how the solar system may have been formed.
Some great info on the rings themselves, and Saturn's moons. And 'gravitational resonance', which I'd never heard of before.
The bit about one of the moons (Enceladus?) at about 37 mins is great. ('ice fountains 100s of mile into space'

There are other clips from space programmes here
www.bbc.co.uk/science/