After seeing footage of the Moon Landing, Buster decides to build a model rocket ship, and recruits Arthur, George, Carl, Francine, and Muffy to help him. However, chaos ensues until he receives advice from guest star Mike Fincke. / Deciding he performed disappointingly in a running race, George decides to walk from Crown City to Elwood City to raise money for autism research. Meanwhile, Arthur's pen pal, Adil, finds Alberto's "El Boomerang" soccer ball, which, after traveling around the world and into space, is returned to him on his birthday.