"Chicken Little" is a popular children's story about a young chicken who believes the sky is falling after an acorn falls on his head. He panics and runs to tell the other animals, including Henny Penny, Ducky Lucky, and Goosey Loosey, spreading fear and chaos. As the group travels to inform the king, they encounter various challenges and misunderstandings. Ultimately, the story teaches lessons about fear, friendship, and the importance of verifying information before reacting. The tale has been adapted into various forms, including books, films, and plays, making it a well-known fable in children's literature.