Doctor Who ends with Survival. One of the things that the dismembering of Doctor Who's chronology engendered by non-linear DVD releases has done is to obscure some of the subtler shifts in what Doctor Who does. For instance, there's a big and often missed shift we pointed out back with The Hand of Fear, a stark dividing line that ended a period stretching back to The War Machines where nearly half of all Doctor Who stories were set on contemporary Earth and began one stretching forward to Survival where only about fifteen percent did....
