When Ted throws his manuscript over the balcony of Frasier's apartment there are no papers under his foot, but then the next shot shows one stuck to the underside of his shoe.
At about three-minutes, John Mahoney (Martin Crane) is too early for a cue and is visible just off camera to the left.
As with all episodes featuring the apartment elevator, the inside set of elevator doors are missing.
Frasier cautions Niles about drinking wine while reading Houghton's manuscript because it might "dull our faculties.", then suggests they drink Armagnac. Brandy is over 10 times more potent than wine.