TV Epic Yellowstone Epic Yellowstone 9.3/10 by 3 users Bill Pullman introduces and narrates this four-part documentary on the world's first national park, Yellowstone. Details Casts Posters Images Title Epic Yellowstone Alternative Titles Yellowstone – Park der Extreme First Air Date 2019-03-10 Last Air Date 2019-03-31 Number of Episodes 4 Number of Seasons 1 Genres Documentary, Networks Smithsonian Channel, Casts Bill Pullman Plot Keywords , Narrator (voice) Bill Pullman