When Matt Damon announces a new series called Postcards from You, Arthur and his friends are excited by the opportunity to create videos about their daily lives. Everyone has a great idea for a video except Arthur, who isn't sure what to do. He keeps bouncing between ideas, but can't settle on anything, and finds himself hindered by D.W.'s insistence on participating. He also has to contend with having been chosen as Buster's project.