Christine and Don convince Kim to sell her sleeve guards, which she's dubbed "arm-prins," at a craft fair, while Jimmy convinces Christine to bring the kids to watch him play in a security guards' softball game. Greg is upset that he'll have to take care of Sam himself while Kim is setting up her new business, so he voices his displeasure and hurts her feelings by calling her arm-prins stupid. Jimmy feels castrated when his boss, Lloyd, benches him, and lures Christine into the game for need of a female player. Greg is forced to watch a Blue's Clues video with Sam over and over again, as it's the only thing that will keep him quiet. Soon, Greg has sat through the show so many times, he begins dreaming he's starring in it. Kim becomes dejected when the arm-prins bomb, just like Greg said they would. Greg makes it up to her by saying she's a much better housekeeper and parent than he'll ever be, and the most important job she can ever have is at home.