Continuity mistake: In this episode, Steve breaks into the school to improve his school grades in order to get into USC, because that is where his Dad went. But when the gang does go to college at CU, Steve's father is an alumni of that college not USC.
Continuity mistake: This is the first episode in which Kelly celebrates a birthday, and it is in March. A few seasons later, Kelly has another birthday, but this is celebrated in one of the first episodes of the season and takes place when everyone has just returned from their summer excursions. This would put her birthday in September.
Continuity mistake: At the pre-prom party, the head in Kelly's glass of champagne disappears. No time has passed, so it hasn't gone flat. (00:25:45)
