Continuity mistake: Tucker, Benny and Alan are chased out of Brookdale by five boys, but when they are in the street outside the school there are only four boys.
Continuity mistake: When Tucker is attacked by the Brookdale boys they pull his blazer off and one of them starts chalking B R O on the back, then the angle changes and "Brookdale no. 1" is written in full.
Continuity mistake: When Tucker, Alan and Benny ambush the Brookdale boy, Alan is sitting on top of the Brookie pining him down. When the angle changes Alan is sitting beside the Brookie - he has not had time to move.