An exclusive preview clip of the first part of the upcoming Doctor Who season finale, featuring Sarah Jane Smith and her son Luke; Jack Harkness, Gwen Cooper, and Ianto Jones of Torchwood; and Martha Jones.
A fleet of ships is heading for our little planet, and they have a message for humanity... "EXTERMINATE!"
I need a TARDIS so I can take all my fellow fan friends forward to Saturday so we can avoid any more suspense. 
