Kevin Costner Leads Western Epic in Horizon Trailer, Release Dates Revealed. Horizon: An American Saga will be split into multiple parts, and the newly released trailer teases an ambitious Western 'Yellowstone' is ending when season 5 returns with the final episodes of the Kevin Costner-starring saga. ‘Yellowstone’ Season 5 Part 2: Casting News, Release Date, More – The Hollywood Reporter Costner is producing the film through Territory Pictures with Warner Bros. and New Line set to release the film. Horizon is set to begin filming in Utah at the end of the month. Stay tuned to The four-film franchise has no release date yet, but since nothing can release until Costner finishes every movie—it's likely a long, long way away. "I’m not a gambler," Costner told Deadline . An official trailer for Horizon: An American Saga hasn't been released, but Warner Bros. shared a teaser announcing the movie's release date, in which he see Kevin Costner taking aim. Watch the teaser directly below: Costner's "Horizon" has been a passion project for over three decades. Starting with an idea in 1988, Costner's vision for an epic Western film evolved into a four-part movie series. Good news for Kevin Costner – his long-awaited Western epic, the Horizon series, finally has a release date after years of production and anticipation.. According to Warner Bros., Horizon: An Kevin Costner. Clearly, starring in ranch drama series Yellowstone for the past four years hasn't dulled Kevin Costner 's desire to stay in the saddle as both actor and, in this case, director. He Will Patton Reteams With Kevin Costner For Filmmaker’s Western Saga ‘Horizon’. EXCLUSIVE: The Halloween franchise actor is reuniting with Kevin Costner for the fourth time after No Way Out Cowboys don’t cry! Kevin Costner is all-in on his new western movie, Horizon, amid his divorce from Christine Baumgartner — and the drama surrounding Yellowstone ending. “We're deep into the KTLXcE.