Dot finds a tiny flying saucer containing four tiny "dot people" (actually aliens from the planet Dotnikia) whom she assumes are her Uncle Branes' latest invention. She carries them around while they help out various people with their advanced science, but when she tells her dad about them they take off for home.; Dot spends some time with her militantly tidy Aunt Tidy, then finds that her aunt has a secret.; Lotta tells the story of her trip to Mexico with her grandfather.; Richie and Reggie promote a wrestling match.; When Lotta offers to call a woman's son, Jack, home for lunch, the power of her voice reaches several other Jacks.; Cadbury suppresses his laughter at Mr. Rich's joke.