A cartoon from 1925. It is in the public domain (meaning it is free of any and all copyright restrictions) because of copyright expiration.
Note that THIS version is in the public domain, but I'm not so sure about the video with the 1950s music. That music may still be copyrighted.
<bdo lang="en" dir="ltr"><a href="//commons.wikimedia.org/wiki/Commons:YouTube_files" title="Commons:YouTube files">YouTube</a>: <a rel="nofollow" class="external text" href="https://www.youtube.com/watch?v=7smhVFlREMg"><bdi lang="">A Cat's Life (1920, no audio)</bdi></a> – View/save archived versions on <a rel="nofollow" class="external text" href="https://web.archive.org/web/*/https://www.youtube.com/watch?v=7smhVFlREMg">archive.org</a> and <a rel="nofollow" class="external text" href="https://archive.today/https://www.youtube.com/watch?v=7smhVFlREMg">archive.today</a></bdo>