During a sleepover at the science museum with his class, Binky gets bored until he sees a new unopened exhibit about the future. Interested, he sneaks into the exhibit, only to be trapped inside. He has a dream where he is in the future with robot lookalikes of his friends. Arthur and D.W. try to help out around the house when their mother is sick, but they end up making things worse. When their father catches a cold as well, they try to fix their mistakes, fearing that they will have to learn to take care of things if their parents stay ill. Their worries are cured when Grandma Thora arrives to help out.