Ella is nervous about the first day of school in her new town, but wearing her grandmother's good luck hat makes her feel better--until the other students tease her and call her names.
After successfully commanding the Discovery shuttle mission at Space Camp, Amelia returns to fifth grade where she deals with the bully who has been making her life miserable.
Arthur is snubbed by Francine after she hears he said she looked like a marshmallow in her fluffy sweater, but when the two are accidentally locked in the library, they remember why they are such good friends.
With the help of his grandfather, underachieving fifth-grader Hank Zipzer finally discovers that he is good at ping-pong, but he is afraid to tell his classmates for fear of being ridiculed.