Mister Rogers says he washed his socks last night. He shows different kinds of paperclips and how they are used. He points out that, although they are small, paperclips have an important job to do. In the Neighborhood of Make-Believe, gymnasts are performing for King Friday. He asks the teacher to show Lady Aberlin how to do a cartwheel. Water begins leaking into the castle gymnasium from the garden. A pipe that Handyman Negri and Donkey Hodie are working on for the waterfall has become clogged. Betty Aberlin shows Mister Rogers some collages. They work on one together.