"A Christmas Carol" is a classic novel by Charles Dickens that has been adapted into many forms of media, including plays, films, and television programs. While the original novel is in the public domain, the adaptations may have different copyright status depending on the specific version and how it was created. For example, a recent film adaptation of the novel may be protected by copyright, while a public performance of the original play may be in the public domain. It's best to consult a copyright attorney or do your own research to determine the exact copyright status of a particular adaptation.