Where can I watch Passion in Korea, Rep.?

Giorgio, a young soldier, is in love with the married Clara and becomes her lover. But they are separated when Giorgio is posted far away, where he meets the unhappy, unhealthy, and unattractive Fosca, who develops a passionate love for Giorgio and tries to make him love her. This rendition of Stephen Sondheim's Tony Award-winning musical was recorded on the stage with it's original all-star Broadway cast. Originally broadcast as part of "American Playhouse" on PBS (season thirteen, episode six).