Alien Worlds★ 6.820201 Season42 min/epTVDocumentaryApplying the laws of life on Earth to the rest of the galaxy, this series blends science fact and fiction to imagine alien life on other planets.PlayWatch TrailerBackTop CastSophie OkonedoNarrator (voice)More Like ThisCosmosThe UniverseThe PlanetsHorizonNOVAHow the Universe WorksAncient AliensPrehistoric PlanetSolar SystemThrough the WormholeMegaStructuresThe Planets
