AllMovie

A hero from the deepest reaches of space arrives on planet Earth to save mankind from atomic destruction in this feature film comprised of episodes of the popular Japanese sci-fi series Super Giant. As the citizens of the distant planet Emerald watch over Earth, they are shocked to discover that the rouge nation of Mirapolia has distributed atomic weapons all over the planet. Though the Mirapolians have vowed to destroy Earth if they cannot rule over it, the arrival of space savior Starman provides the frightened citizens of the endangered planet a ray of hope in what may be their darkest hour.