TV Ancient Yellowstone - Season 1 Episode 1 : Alien Life Ancient Yellowstone - Season 1 Episode 1 : Alien Life 2/10 by 1 users Microbes found in Yellowstone National Park's thermal pools have structures so ancient that scientists now believe that they could be close to the root in the universal tree of life. These microbes are becoming the models for understanding the biology necessary for life at high temperatures. Details Casts Posters Images Title Ancient Yellowstone - Season 1 Episode 1 : Alien Life Alternative Titles First Air Date 2021-03-02 Last Air Date 2022-02-21 Number of Episodes 6 Number of Seasons 2 Genres Documentary, Networks CuriosityStream, Casts Plot Keywords , Episodes List Ancient Yellowstone Season 1 :Episode 1 Alien Life Alien Life 2021-03-02 Yellowstone National Park is famous for its unparalleled beauty but there’s much, much more happening in this breathtaking spot. Ancient Yellowstone Season 1 :Episode 2 Frozen Archeology Frozen Archeology 2021-03-02 Yellowstone National Park is famous for its unparalleled beauty but there’s much, much more happening in this breathtaking spot. Ancient Yellowstone Season 1 :Episode 3 The Petrified Forest The Petrified Forest 2021-03-02 Yellowstone National Park is famous for its unparalleled beauty but there’s much, much more happening in this breathtaking spot.