A businessman who dislikes humanity finds one day that he loses the ability to see them.; Aliens from Neptune give up their invasion plans when they interact with actors from a Hollywood film set.; A failed magician has his confidence restored when he stumbles across an enclave of sorcerers.; An inventor finds himself in court when he apparently endangers his son's life in experiments, but the 'son' turns out to be a robot.; A dictator is killed when the bullet he fires to silence a dissident ricochets and strikes him.; An explorer's club turns down an applicant for membership because he has not hunted elephant or lion but he later reveals himself to be from another planet.