If you can't make it to the 2017 Sundance Film Festival next week to catch the world premiere of the new Grateful Dead documentary Long Strange Trip , you'll be able to watch the four-hour film on Amazon Prime Video come May. Amazon has acquired the rights to the Martin Scorsese -produced project, which will debut on its streaming service on May 26 as a six-part series. Long Strange Trip is fully sanctioned by The Grateful Dead and was directed by Amir Bar-Lev , whose credits include the critically acclaimed doc The Tillman Story .

The Grateful Dead, from left: Jerry Garcia, Bob Weir, Bill Kreutzmann and Phil Lesh, will be profiled in the documentary "Long Strange Trip," one of the films in the Documentary Premieres section of the 2017 Sundance Film Festival. The Grateful Dead, from left: Jerry Garcia, Bob Weir, Bill Kreutzmann and Phil Lesh, will be profiled in the documentary "Long Strange Trip," one of the films in the Documentary Premieres section of the 2017 Sundance Film Festival.

Amazon Studios today announced it has acquired LONG STRANGE TRIP, an unprecedented four hour documentary about the Grateful Dead from director Amir Bar-Lev and executive producer Martin Scorsese . Set to debut May 26 on Amazon Prime Video in the US and UK as a six part documentary, with additional territories to be announced, Long Strange Trip probes the creative forces, subversive ambitions, and interpersonal dynamics that drove the Grateful Dead in their 30-year quest for moments of collective inspiration.