The Master of Zodus captures Earth people for slaves by setting up The Room of No Return in carnival attractions.; When a man passes through a time machine to the year 2049, he is told that he can only remain for thirty days in one era before returning to the other, else he will die.; A man buys a telescope with a powerful lens from an alien spy. The man sees an impending invasion fleet through the telescope. The alien spy tracks him down and knocks him out and switches the telescope with a normal one so that no one knows the man got the powerful telescope by accident.; Suicides who leap off bridges must pay the penalty of being transformed into fish.