TV World Natural Heritage USA: Yellowstone National Park - Season 1 World Natural Heritage USA: Yellowstone National Park - Season 1 10/10 by 1 users Details Casts Posters Images Title World Natural Heritage USA: Yellowstone National Park - Season 1 Alternative Titles First Air Date 2012-10-10 Last Air Date 2012-10-10 Number of Episodes 1 Number of Seasons 1 Genres Documentary, Networks , Casts Plot Keywords , Episodes List World Natural Heritage USA: Yellowstone National Park Season 1 :Episode 1 Episode 1 Episode 1 2012-10-10