Yellowstone star Piper Perabo advises Matthew McConaughey, who will lead the sequel series after the show's final season in November, to be a good horse rider. Kevin Costner is reportedly leaving the franchise, and it's uncertain how many characters will return for the new installment. The Yellowstone universe is expanding with prequels and spinoffs, including 1923 season 2 starring Harrison Ford and Lawmen: Bass Reeves in active development. McConaughey will usher in a new era for the TV universe. Little news is expected until the show's closer to airing.