The analog clock on Zoe's dash reads 11:14 which means she is really late for school.
Henry says the man was already dead on the side of the road when Zoe hit him. The object she hit was in the center of the road and had to be tall enough to be thrown over the hood into the windshield which couldn't happen with a body laying on the side of the road.
After the explosion at the dry cleaner the dust in Jack's chair changes a few times.
In the end of the episode when Zoe is playing chess, her final move to checkmate is to kill her OWN pawn with her bishop. In chess you cannot attack your own pieces.