was unable to complete rewrites to the script due to his appointment as script editor on Blake's 7
(1978) so incoming script editor Anthony Read
took over. This fact explains why, for a Boucher script, the story is unusually full of info-dumps, whereas they tend to crop up in Read's work, such as "The Horns of Nimon". See more
[Addressing a group of cows in a field
Good morning, ladies. Now which one of you has the time scanner, hm?
This doesn't look like the place, Doctor.
[referring to the Tardis's ability to bring them to the right coordinates
Now I did say "more or less," though this does look rather less than more. You know, I don't think these cows know anything about the time scanner.