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The latest epic—and inevitable awards show behemoth—by renowned director Martin Scorsese is the Western mystery Killers of the Flower Moon, starring Leonardo DiCaprio, Robert De Niro, and Lily Gladstone.

Based on the true crime book Killers of the Flower Moon: The Osage Murders and the Birth of the FBI by David Grann, it follows the investigation into deaths of several Native Americans in Oklahoma who had become wealthy following the discovery of oil beneath tribal land at the turn of the 20th century.

But what might sound like a straightforward whodunnit is complicated by the racism of the time and setting: as one lawman remarks in the movie, "You got a better chance of convicting a guy for kicking a dog than killing an Indian." What follows is a compelling exploration of greed, corruption, power, and murder. In other words: quintessential Scorsese.

Killers of the Flower Moon is De Niro's tenth collaboration with Scorsese, following Taxi Driver, Cape Fear, Mean Streets, Casino, The King of Comedy, The Irishman, Raging Bull, Goodfellas, and New York, New York. DiCaprio, meanwhile, is teaming up with Scorsese for a seventh feature after The Wolf of Wall Street, The Departed, Shutter Island, The Aviator and Gangs of New York. (This movie also reunites DiCaprio and De Niro on the big screen for the first time since This Boy's Life in 1993, although they appeared together in Scorsese's short film The Audition in 2015.)

The sprawling ensemble cast also includes Jesse Plemons, John Lithgow, and Brendan Fraser fresh off his own Oscar win for The Whale.

Is Killers of the Flower Moon on streaming?

As with any movie that's gunning for awards success, Killers of the Flower Moon was originally released exclusively in theaters in October 2023. A production of Apple TV+, it was distributed by Apple Original Films in partnership with Paramount and Apple TV+ is the only streaming platform where you'll find the movie right now.

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You can also buy Killers of the Flower Moon on a wider range of digital services including Apple TV, Amazon Prime Video, Google Play and YouTube.

Now is the perfect time to watch if you missed the film in theaters—or were apprehensive about needing to run out to pee halfway through. Killers of the Flower Moon is a long movie, even by Scorsese's standards, running 3 hours and 26 minutes—just shy of The Irishman's 3 hours 29. But the critics seem to almost universally agree that this crime epic is worth staying in your seat for.

The Hollywood Reporter's David Rooney writes that the film's run time "is fully justified in an escalating tragedy that never loosens its grip — a sordid illustration of historical erasure with echoes in today’s bitterly divisive political gamesmanship."