Project Hail Mary does not have an official streaming date yet. Based on current reporting, it’s still in theaters, and the best estimate is Prime Video in June 2026 or later , with some outlets predicting early to mid- June and others saying August/September 2026 if Amazon keeps it in theaters longer.

What’s confirmed

  • The movie is available in theaters only for now.
  • It is an Amazon MGM Studios film, so its streaming home is expected to be Prime Video.

Best current guess

  • Digital rental/purchase: around early May 2026.
  • Streaming on Prime Video: likely June 2026 , though a later debut is still possible depending on box office performance.

Quick scoop

If you want the shortest answer: expect Project Hail Mary to hit streaming on Prime Video sometime between June and late summer 2026, but nothing is official yet.