TV Ancient Yellowstone - Season 2 Episode 2 : The Last Triceratops Ancient Yellowstone - Season 2 Episode 2 : The Last Triceratops 2/10 by 1 users Montana's Hell Creek Formation is home to a trove of late Cretaceous fossils unlike any other in the world, revealing the last days of the great dinosaurs. Researchers have now found a complete Triceratops skull that may reveal on of the last prehistoric battles before dinosaurs vanished forever. Details Casts Posters Images Title Ancient Yellowstone - Season 2 Episode 2 : The Last Triceratops 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 2 :Episode 1 Mammoth Country Mammoth Country 2022-02-21 Yellowstone National Park is famous for its unparalleled beauty but there’s much, much more happening in this breathtaking spot. Ancient Yellowstone Season 2 :Episode 2 The Last Triceratops The Last Triceratops 2022-02-21 Yellowstone National Park is famous for its unparalleled beauty but there’s much, much more happening in this breathtaking spot. Ancient Yellowstone Season 2 :Episode 3 Past and Future Yellowstone Past and Future Yellowstone 2022-02-21 Yellowstone National Park is famous for its unparalleled beauty but there’s much, much more happening in this breathtaking spot.