At Hooper's Store, Big Bird wants to make sure that Maria isn't disturbed while she's studying. He starts putting utensils away so she can have all the time she needs to study -- but he gets confused, and doesn't know where the utensils go.
Maria and David are about to start a ping-pong game, but David doesn't have a paddle. After holding several different types of sports equipment in its place, he finally gets the correct one. Once the problem is solved, Maria and David realize they don't have a ping-pong ball. Dozens of balls then fall on them. (EKA: Episode 0677)