Here are five websites that play old radio shows that are out of copyright:

1. Old Time Radio Downloads: This website has a large collection of radio shows from the 1930s, 1940s, and 1950s that are in the public domain. https://www.oldtimeradiodownloads.com/
3. The Internet Archive: The Internet Archive has a vast collection of old radio shows, including drama, comedy, science fiction, and more.
4. Old Time Radio Fan: This website has a collection of radio shows from the 1920s to the 1950s that are in the public domain.
5. Radio Echoes: Radio Echoes is a website that streams old-time radio shows from the 1930s, 1940s, and 1950s.
6. Old Time Radio Network: This website has a large collection of old radio shows from various genres, including comedy, drama, mystery, and more.