Eachepisodeinvestigatesadifferentmonster-usingcuttingedgetheories,rivetingeyewitnessaccounts,andastonishingscientificevidencebehindthenightmarishcreaturesthatfrightenus,fascinateus,andhauntourdarkestdreams.

Never-before-aired NASA footage presents evidence that the Moon is being used as a base.