"The Cat Came Back" is a popular children's song that tells the story of a cat that keeps returning to its owner despite various attempts to get rid of it. The song features humorous and exaggerated scenarios where the owner tries different methods to send the cat away, but each time, the cat finds its way back home. The song is often associated with themes of persistence and loyalty, showcasing the bond between pets and their owners. It has been adapted into various forms, including animated versions and performances, making it a beloved classic in children's music and storytelling.