- In addition to "Oh fuuudge" which he heard from his old man, Ralphie also says "Son of a bitch" when he's disappointed over his decoder ring. This is something else he is repeating, since his father does say it earlier in the movie in front of the family.
- The department store elves are surly and peevish. Makes sense, as it is heavily implied they are department store employees who have been forced to do this crap duty.
- The Old Man buying Raphie's beloved air gun. It becomes clear later that he wasn't as oblivious to his son's obsession as he let on, and bought the gun offscreen prior to Christmas.
- Bonus points when you consider Ralphie never discussed the gun with him, unlike every other adult in the movie.
- Everything about Ralphie's being an unreliable narrator. Anything post-December 1940 that creeps in, the massive size of the Santa display, the Alleged Car status of the Old Man's two-year-old Olds (which they probably kept through the war), all are as remembered by a man well into his 50s.
- The gun has "a compass in the stock and this thing that tells time." Considering the technology available in the period, and that it's paired with something that finds North, the "thing that tells time" is almost certainly a sundial.
Fridge / A Christmas Story