Starting at 21 minutes 7 seconds, Maggie Forbes' and Jimmy Fenton's blue Vauxhall Viva has no rear view mirror.
Uses the same incidental music as Prisoner Cell Block H (1979).
The movie that Steve is watching on the TV while Maggie is talking to her dad is the 1974 horror movie "The Beast Must Die"
This season finale was the seventh most-watched programme of the week, with 12.15 million viewers.