The Phantom Empire

Sci-fi Western serial starring Gene Autry. The Muranian people moved underground during the Ice Age and now live in an advanced city below the surface of the Earth.

Singing cowboy Gene Autry (himself) stumbles upon their civilisation, which lies beneath his Radio Ranch.

While unscrupulous criminals on Earth plan to invade Murania and steal its wealth, revolutionaries in Murania are plotting to overthrow their queen.

Can Autry prevent war and destruction, ideally without any disruption to his radio show?

The episodes are: 'The Singing Cowboy', 'The Thunder Riders', 'The Lightning Chamber', 'Phantom Broadcast', 'Beneath the Earth', 'Disaster from the Skies', 'From Death to Life', 'Jaws of Jeopardy', 'Prisoner of the Ray', 'The Rebellion', 'A Queen in Chains' and 'The End of Murania'.