In series 1 episode 8, someone (I think it's Caroline) says that the ambulance with Martin, Mac, and Guy is somewhere near Wales, yet in the next scene the ambulance drives off the Seven Sisters Cliffs, near Eastborne (East Sussex), which is a few hundred miles away from Wales. [Character mistake by Caroline. Also, we are not supposed to know the length of time between these scenes so it could be that when she said it they were near Wales and then an hour or so later they have got to the cliff.]
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