The character Joey turns 19 in the film. This wouldn't have been correct in Canada in those years. A teen in their Grade 12 year back then meant they were 17-going-on-18 in their senior year. A few other students are also mentioned being 19, however viewers saw them in caps and gowns at the beginning of the film, clearly graduating high school. This also doesn't make sense with the time line from the series given that the same kids who were seen graduating, had started Grade 8 in 1987. This would put all of those kids at 12 or 13 years old in 1987. It is now five years after this time. The timing was kept on par throughout the series, however for this film they should have aligned the ages with the senior year and with the series by making the graduating class 17-going-on-18, and not boosted their age to 19.
