Hozizon: Secrets of the Solar System
New planets are now being discovered outside our solar system on a regular basis, and these strange new worlds are forcing scientists to rewrite the history of our own solar system. Far from a simple story of stable orbits, the creation of our solar system is a tale of hellfire, chaos and planetary pinball.
BBC iPlayer - Horizon - 2014-2015: 8. Secrets of the Solar System
Good watch. I do enjoy the many theories science puts forward.