NOVA - Season 11 Episode 12 The Mystery of Yellow Rain nature, candid, inspirational, factual, dramatic, informative, instructive NOVA explores whether "yellow rain," described by members of the Hmong tribe of Laos, is a form of chemical warfare—or a naturally occurring phenomenon. TitleNOVA - Season 11 Episode 12 The Mystery of Yellow Rain Year2025 GenreDocumentary CountryUnited States of America StudioPBS Cast Crew Alternative TitlesPBS新星Nova, نوا, نووآ, PBS Nova Keywordnature, candid, inspirational, factual, dramatic, informative, instructive First Air DateMar 03, 1974 Last Air dateFeb 19, 2025 Season52 Season Episode999 Episode Runtime55:14 minutes QualityHD IMDb: 6.90/ 10 by 120.00 users Popularity66.265 LanguageEnglish Download Amazon Prime Video 4K Download PBS 4K Download Amazon Prime Video with Ads 4K Download Amazon Video HD Download Apple TV HD Download Google Play Movies HD Download SD Download SD Download SD Download