In the player below you can see the trailer for the one off programme, The Science of Doctor Who. The one hour special is presented by Professor Brian Cox (The Power of Three) and stars Mat Smith in some specially filmed scenes in the TARDIS.Drawing on the latest theories as well as 200 years of scientific discoveries and the genius of Einstein, Brian tries to answer the classic questions raised by the Doctor - can you really travel in time? Does extra-terrestrial life exist in our galaxy? And how do you build something as fantastical as the TARDIS?
