Young Sherlock Holmes (1985)
This one might be a little controversial. The Christmas elements are pretty subtle, though they do bookend the movie. While it's possible to argue that the movie's plot might have tied into a pre-Christian fixation on the winter solstice, this was never stated outright or even implied beyond the seemingly coincidental timing, so it's admittedly a stretch. Still, for a movie that barely touches on its timing, it seems to bend over backward to be set in December. The story is told, as is traditional, by Watson, who arrives at his new school about two weeks before Christmas. This is obviously odd timing from a narrative point of view, since it would have been easier to explain him arriving at the start of a semester. Throughout the film, London is always covered in a thin coat of snow, which even I know is ludicrous for the season. There's also a rather baffling detail involving a killer who wears bells which are extremely reminiscent of sleigh bells. At the end, the m