Are there any unseen episodes of gunsmoke?

As of now, all episodes of "Gunsmoke" that were produced have been released and are available for viewing. However, some episodes may be considered "lost" due to issues like poor preservation or damage over time. Fans of the series often discuss the show's extensive archive, but no officially confirmed unseen episodes exist. The show ran for 20 seasons, creating a substantial catalog of content that remains accessible.