A wealthy man's brother attempts to induce transformative nightmares through hypnosis so that he can inherit the wealth when the victim is committed to an asylum. The scheme backfires when the dreams become so vivid they actually transform the man into a giant slug which kills the schemer.
Aliens telepathically instruct a boy on how to build a rocket to their planet. When he arrives, they interview him about what life is like on Earth. After hearing about wars, crime and misery, they tell him that humans are not yet ready to explore space and bid him return to Earth where he forgets the entire experience.