Kevin Costner Confirms , He Is Leaving ‘Yellowstone’.br Hours after Paramount announced the premiere date for part two of the show's fifth and final season, Costner took to social media with the news. .br Hours after Paramount announced the premiere date for part two of the show's fifth and final season, Costner took to social media with the news. .br He said that he is currently directing his focus toward working on his Western film series, 'Horizon: An American Saga.'.br I just want to reach out and let you br know that after this long year and a br half of working on 'Horizon' and doing br all the things that that’s required, Kevin Costner, via Instagram.br Thinking about 'Yellowstone,' that br beloved series that I love, that I know br you love. I just realized that I’m not br going to be able to continue, br season five or into the future, Kevin Costner, via Instagram.br Costner went on to say that the show br "was something that really changed" him.br I loved it and I know you loved it. br I just wanted to let you know br that I won’t be returning, Kevin Costner, via Instagram.br I love the relationships that br I’ve been able to develop. br And I’ll see you at the movies, Kevin Costner, via Instagram.br 'Yellowstone' creator Taylor Sheridan previously said that if Costner left the br show, he'd be "disappointed.".br It truncates the closure br of his character. It doesn’t br alter it, but it truncates it, Taylor Sheridan, via 'The Guardian'.br Costner maintains that he did everything he could to try to make it work, even signing a contract to appear in more seasons.br I couldn’t help them any more. br We tried to negotiate, they br offered me less money than br previous seasons [and] there br were issues with the creative, Kevin Costner, via Deadline.br The last six episodes of br 'Yellowstone' will air on Nov.