Continuity: Season 4, episode 7 "Walk-a-thon": When Quinn and Logan are asking Michael if he knows about their relationship, Quinn's hair jumps from behind to in front of her shoulder in an instant.

Continuity: Season 4, episode 7 "Walk-a-thon": When Michael and James are discussing the word bicycle, the length of the straw sticking out from Michael's drink changes drastically between close ups and long shots.

Continuity: Season 4, episode 8 "Quinn Misses The Mark": When Zoey is about to get down off the horse, she is at first straddling the horse, then instantly has both legs hanging down on one side.

Continuity: Season 4, episode 7 "Walk-a-thon": When Michael discovers Logan and Quinn together, the book on Quinn's lap closes itself instantly between shots.

Continuity: Season 4, episode 7 "Walk-a-thon": In the opening scene, when Lola is knitting, the wool constantly changes back and forth from being on the needle to off, and from being tangled to tidy.

Other: In Season 3, in the first episode, it is mentioned that the girls' dorm is a different dorm from the year before, though they are in the same hall and have the same room number - 101.