LIGHT YEARS BEYOND TOMORROW…
In the distant future, the planet Metropolis is a peaceful utopia led by The Great Brother. His reign is threatened, however, by Graal. Graal enlists the help of a mad scientist named Dr. Kraspin, who has a plan to make unstoppable supersoldiers he calls “Humanoids.” For this he requires Kapitron, a powerful element that is kept at the Grovan Institute on Metropolis.
You’re right. Could have given them credibility and publicity Lucas didn’t want to hand out.