Kevin Costner confirmed his departure from the hit TV show "Yellowstone" in a social media video, coinciding with the announcement of the final episodes airing on Nov. 10. In the video, Costner expressed his love for the series but explained that he will not be returning for Season 5B or future seasons. His exit had been rumored for some time, with reports suggesting he only wanted a limited role in the final episodes. Costner cited his work on the ambitious film project, "Horizon," as a reason for his departure. Despite his exit, Paramount Network acknowledges Costner's significant contribution to the show's success and expressed a desire to continue working with him in the future. Costner's focus now shifts to "Horizon: An American Saga", a Western epic set to be released in theaters soon.