Despite the fact that Gumball is allergic to makeup in this episode, he has no reaction to the makeup he wears in "The Procrastinators" and "The Worst."
When Gumball is watching TV, the Laser Video letters are not on the floor. But when Darwin enters the room saying they received another letter from Laser Video, Gumball says to put them in the pile of letters that now appears on the floor. The letters then disappear again when the camera zooms out.
When Nicole crashes into the ground, Darwin's shadow and eyelashes disappear.
When Gumball and Darwin are running from Nicole, Gumball's whiskers disappear for a split-second.
When both Gumball and Darwin wink, Darwin's eyelashes disappear. This also occurs when they are out on the streets to get money to pay for the DVD fine they owe Larry.
When the camera zooms in on the pizza, the position of the pepperoni changes.
Patrick is seen living in the same neighborhood as the Wattersons, but in "The Knights," he is seen living in a different neighborhood, even voicing his displeasure of the Wattersons' neighborhood.