Theory:Doctor Who television discontinuity and plot holes/The Enemy of the World


 * Salamander is sucked into space when the TARDIS dematerializes with the doors open. This contradicts The Edge of Destruction, The Runaway Bride, The Stolen Earth and other episodes in which the TARDIS is shown in space with its doors open, with no ill-effects to the occupants.
 * In those instances the tardis was stationary, in this one the doors are still open while its taking off, think off it like what would happen if an airoplane took off with its doors open.
 * In later episodes, we learn that the doors aren't really the important thing, but the field that the TARDIS uses to contain its interior. They don't have to be in sync with either other, but of course they can be. In The Beast Below (and the 'Meanwhile in the TARDIS' before it), we explicitly see the Doctor extend the field farther out so he can safely open the doors in flight. There's no reason the TARDIS couldn't have done essentially the same thing in Destruction, and not done it here.


 * There's another slow TARDIS landing sound.
 * The Tardis landing sound isn't always the same, for example in The Impossible Planet where in that case the Doctor referred to it as 'queasy'.


 * The serial is so under budget that Denes is kept prisoner in a corridor. 'It's easier to guard him here,' claims the guard. In episode five, Bruce similarly notes 'You don't really believe I came here with just one guard, do you?'.
 * Surely the serial has actually gone over budget at this point, given that Episode 1 already featured a hovercraft and a helicopter.


 * In episode three, Benik completely fails to destroy Kent's portrait.