An advertising man tricks an advance agent of a proposed invasion from Atlantis into returning to Atlantis by building a mannequin even larger than Goliath and threatening to wage war with his people for the surface of Earth.; A snobbish mine owner is captured by subterranean creatures and kept in a zoo until the mine foreman rescues him. The experience teaches him to treat his employees with respect.; A poor man finds a doll in the field and gives it to his lame daughter. What he doesn't know is that the doll actually moves and talks. When he's gone the doll asks the girl for food as the "doll" is really an alien child that's gone off exploring other planets without his parents' supervision. When his parents do arrive, he asks the father to reward the girl for her kindness and he cures her leg and leaves behind a gold bar.; A man wants to build a time machine, but his colleagues say it is impossible. He works in secret and murders one of them to get the equipment that he needs, but when he activates the machine he goes mad and thinks that he has succeeded.