After Binky Barnes rips his pants in class, Arthur begins having nightmares in which he forgets to wear his pants to school. To avoid the bad dreams, Arthur tries to stay awake at night! When that doesn't work, he considers sleeping in his pants. The next day, he rips his jeans in the cafeteria and exposes his underwear to everyone. Mortified, Arthur escapes to the kitchen where the lunch lady, Mrs. MacGrady, explains that embarrassing things happen to everyone.