Where does Mister Rogers find a 500 pound baby? At the zoo! It's a baby elephant, and Mister Rogers visits there to learn about how the mother elephant and people at the zoo help care for it. Mister Rogers also has a video showing how people make backpacks. In the Neighborhood of Make-Believe, King Friday is determined to see what's inside Mayor Maggie's backpack and commands Corney to make a machine that sees inside things.