Kevin Costner’s ‘Horizon: An American Saga – Chapter 1’ is now streaming for free

A new movie is trending after dropping quietly on Prime Video over the holiday weekend.

If you missed “Horizon: An American Saga – Chapter 1” during its June 2024 theatrical release or its initial streaming release in August 2024, you’re in luck: the Kevin Costner-helmed western is officially available to stream for free.

“Horizon” is the first installment in a planned four-part epic starring Costner. In addition to acing in the film, Costner developed, wrote, produced, and directed the project, which follows families, friends, and foes during a period of westward expansion as the Civil War rages on.

Getting “Horizon” made was Costner’s passion project since 1988, when it was first commissioned as a single film, and it eventually contributed to his contentious exit from the series ahead of Season 5B.

How to watch ‘Horizon: An American Saga – Chapter 1’ for free

“Horizon: An American Saga – Chapter 1” is streaming on Prime Video, so you’ll need a subscription to tune in.

If you aren’t a Prime Video subscriber yet, you can get started with a 30-day Amazon Prime free trial, including Prime perks including the Prime Video streaming service, free two-day shipping, exclusive deals, and more. After the free trial, Amazon Prime costs $14.99/month or $139/year.

All 18- to 24-year-olds, regardless of student status, are eligible for a discounted Prime for Young Adults membership with age verification. After six months at $0, you’ll pay 50% off the standard Prime monthly price of $14.99/month — just $7.49/month — for up to six years and get all the perks.

When is ‘Horizon: An American Saga – Chapter 2’ coming out?

“Horizon: An American Saga – Chapter 2” was completed and premiered at the 2024 Venice International Film Festival. Its release was initially dated for August 16, 2024, but due to “Chapter 1” underperforming, the second installment was indefinitely delayed until further notice.

As of May 2026, the film has not been released.

‘Horizon: An American Saga – Chapter 1’ cast

“Horizon” utilizes a large ensemble cast. In addition to Costner himself, Sienna Miller, Sam Worthington
Will Patton, Jamie Campbell Bower and Giovanni Ribisi take on lead roles.

The ensemble includes Danny Huston, Michael Rooker, Abbey Lee, Michael Angarano, Jena Malone, Ella Hunt, Luke Wilson, Jon Beavers and Isabelle Fuhrman.

‘Horizon: An American Saga – Chapter 1’ trailer

Why Trust Page Six Shopping

This article was written by Angela Tricarico, Commerce Streaming Reporter for the New York Post, Page Six, and Decider. Angela keeps readers up to date with information on how to watch all of your favorite reality TV shows and movies on each streaming service. Not only does Angela test and compare the streaming services she writes about to ensure readers are getting the best prices, but she’s also a superfan specializing in the intersection of shopping, tech, sports, celebrities and pop culture. Prior to joining The Post in 2023, she wrote about streaming and consumer tech at Insider Reviews