text: In early Season 1 episodes a lot of character designs are crude or so what different than in later seasons for instance Arnold's head shape is more rounds at the bottom and his body shape seems to be a lot skinny, however is tarting in the sixteenth episode Salley's Comet the animation changed and is a lot better Arnold is a lot less skinner and has gotten a bit taller and the outlines match the characters skin tones this would be this way until season 2 where the.