Kevin Costner announced via Instagram that he will not be returning for another season of 'Yellowstone.' Despite his love for the show and its world, the 69-year-old actor expressed disappointment in how rumors surrounding his exit were handled by production. Costner revealed that the show experienced delays in production, leading to difficulties balancing his work on 'Horizon' and 'Yellowstone.' He mentioned leaving his movie early to accommodate 'Yellowstone' but was met with unforeseen script delays for the second half of the season. Despite his willingness to work with the production, Costner felt that his efforts were not properly defended by the show's team. Ultimately, Costner's departure from 'Yellowstone' marks the end of an era for fans and the beloved series.