Arthur's Chicken Pox/Sick as a Dog

'Arthur's Chicken Pox': Arthur feels funny in art class. It turns out that he has the chicken pox. D.W. is jealous of the attention that Arthur is getting because he's sick. Even Grandma Thora gives Arthur special treatment/Sick as a Dog': Mr. and Mrs. Read keep telling Arthur not to give his food to Pal. One day, Arthur finds Pal acting lethargic and making weird noises. Arthur is worried about what the vet will do to Pal, and Arthur blames D.W. for making Pal sick.