(A42 wip title: "Da Plane, Where's Da Plane?") Caillou and Leo are playing, but they both want to play with the same truck. Caillou decides to add his toy airplane to their pretend farm, but he can't find it. He searches all around the house with Leo, finding money, a bracelet that Mom lost and other toys that he lost. Along the way, he's constantly stopped by his parents and told to clean things up. Eventually, he finds his airplane after cleaning up his room. Encouraged, he and Leo decide to try and find Caillou's train that he lost.