PHANTOM EMPIRE

Gene Autry “the singing cowboy “ stars and sings in a western sci-fi 
 The Phantom Empire a 1935 American Western (genre) serial film directed by Otto Brower and B. Reeves Eason and starring Gene Autry, Frankie Darro, and Betsy King Ross. This 12-chapter Mascot Pictures serial combined the western, Musical theatre, and science fiction genres. The first episode is 30 minutes, the rest about 20 minutes. The serial film is about a singing cowboy who stumbles upon an ancient subterranean civilization living beneath his own ranch that becomes corrupted by unscrupulous greedy speculators from the surface.< name="imdb"></> In 1940, a 70-minute feature film edited from the serial was released under the titles Radio Ranch or Men with Steel Faces. This was Gene Autry's first starring role, playing himself as a singing cowboy.

When the ancient continent of Mu sank beneath the ocean, some of its inhabitant survived in caverns beneath the sea. Cowboy singer Gene Autry stumbles upon the civilization, now buried beneath his own Radio Ranch. The Muranians have developed technology and weaponry such as television and ray guns. Their rich supply of radium draws unscrupulous speculators from the surface. The peaceful civilization of the Muranians is corrupted by the greed from above, and it becomes Autry's task to prevent all-out war, ideally without disrupting his regular radio show