The real genius of Torchwood: Children of Earth, as well as those shit-scary screaming kids, was its effortless grasp of what is truly to be feared in this world. The series didn't need super-CGI, brilliant acting or massive fight sequences. It didn't even need to take the monster out of the fog: the actual aliens were barely on screen at all. Turns out that the monster was on the other side of the glass the whole time, in Westminster, ready to sell us all out for the promise of a quiet life.