* DawsonCasting: Caroline Munro, the film's most recognizable star, was about 34-35 at the time of filming. And everyone else in the high school gang is around the same age group -- late-20s to early-mid-30s.
** Averted when it turns out the elderly-looking high school kids also play themselves in their ten-year high school reunion, thus making them far more plausible as adults.
* TheDanza: Caroline Munro as Carol.
* DuelingMovies: With ''Film/AprilFoolsDay'' and ''Killer Party''.
* FakeAmerican: Almost everyone.
* WorkingTitle: ''April Fool's Day'', up until a producer secretly sold the rights to the name to Paramount.