Listen to S2 Episode 4Season 2 Episode 4The Cathedral The Cathedral / Back to Unknown 9: Out of SightSeason 2 Episode 4The Cathedral Lazari and Blake head to a cathedral in Pennsylvania and uncover a dark past hidden below sacred ground. Language:English Length:26m 52s Play Episode 4 Discover more fromUnknown 9: Out of SightSeason 1 The HoleEpisode 1 The Nightmare ArtistEpisode 2 The ElevatorEpisode 3 The Dead GirlEpisode 4 The Disappearing TownEpisode 5 The SleeperEpisode 6 The IntrudersEpisode 7 The HotelEpisode 8 The Gateway to HellEpisode 9Season 2 The Sunken VillageEpisode 1 The CavesEpisode 2 The SleepwalkersEpisode 3 The CathedralEpisode 4out of sight News View all news Who are Unknown 9: Awakening’s Infamous 9? It is said that nine immortal guardians of knowledge have been watching over humanity for its entire existence. Can you spot the signs of the 9?