The Mayor threatens to close the circus unless they can make him laugh.; Goofy's mirror image comes loose from the mirror universe.; Willy gets a job as a doorman, but his son thinks he's a general.; One day all the sea creatures got together under a coral tree and showed off their talents, but when it was Dudley's turn, he was ashamed that he couldn't do anything. So he opened his mouth to sing, but it was so bad that it alienated him from all the rest of his friends. He cried and cried and accidently swallowed some sand. Later, when he opened his mouth, he could sing beautifully. When he looked in his mouth, he spotted a beautiful pearl, and, from that time on, no one told Dudley to shut up like a clam!