We still haven't been able to track down the original 2-part episode, though (from which the film was extended). I wish someone did that, so we could compare it with the film version -- what cues were original, what were tracked in from other episodes etc.
I've been going through the scoring of season one, making suites of music, and while I've found a lot of good scoring, I have to -- so far -- particularly note the score to the episode "The Threatening Eye":