Project Hail Mary Streaming on MGM+ June 18 — Ryan Gosling's $678M Sci-Fi Hit Finally Coming Home

Project Hail Mary Finally Gets a Streaming Date

If you missed Project Hail Mary in theaters — or you are one of the millions who just want to watch it again — mark your calendar: June 18, 2026 is the day the Ryan Gosling sci-fi blockbuster lands on streaming. The catch? It is not going to Prime Video first.

Amazon MGM Studios confirmed that the film will debut on MGM+ as its pay-one streaming window, before eventually making its way to Prime Video. You can snag MGM+ as an add-on channel through Prime Video, with a seven-day free trial for new subscribers. If you would rather skip the subscription entirely, the film is also available to rent or buy on-demand through platforms like Prime Video and YouTube starting the same day.

Why MGM+ Instead of Prime Video?

The decision caught a lot of people off guard. Project Hail Mary is an Amazon MGM Studios production — you would expect it to go straight to Prime Video, right? Well, not exactly. Here is the deal: Amazon MGM operates two different greenlight models depending on the project.

Films like Saltburn, Red One, and Air were Prime Video greenlights from the start — their budgets were covered by Prime and they had short theatrical windows of 26 to 37 days before streaming exclusively on the platform. But Project Hail Mary went through a different path, similar to American Fiction, which also premiered on MGM+ first before heading to Prime Video.

The movie followed the full theatrical window treatment — a proper 90-day exclusive theatrical run — and it paid off. Project Hail Mary has grossed over $678 million worldwide, making it the third-highest-grossing film of 2026 so far. That theatrical revenue would have been significantly lower with a shorter window.

Why Project Hail Mary Is Worth Watching

Based on Andy Weir's bestselling novel and directed by the duo Phil Lord and Christopher Miller (The Lego Movie, Spider-Man: Into the Spider-Verse), the film follows Ryan Gosling as Ryland Grace — a middle school science teacher who wakes up on a spaceship light-years from Earth with zero memory of how he got there. As he pieces together his mission, he discovers he is humanity's last hope to stop an alien microbe that is killing the sun.

He is not alone, though. Enter Rocky — an alien lifeform who has become the breakout star of 2026 cinema. The character has won over audiences everywhere, and critics agree. The film boasts a 94% Rotten Tomatoes critic score and an even higher 95% audience score. TechRadar's Tom Power gave it a near-perfect 4.5 stars, calling it "amaze, amaze, amaze" — a direct quote from Rocky himself.

Supporting performances from Sandra Huller, Eddie Marsan, and a star-studded ensemble round out a film that manages to be both deeply emotional and genuinely thrilling. It is the kind of sci-fi that reminds you why the genre matters.

Final Thoughts

With Project Hail Mary arriving on MGM+ just a week from now (June 18), there is really no excuse to skip it. Whether you caught it in theaters and want a rewatch, or you are diving in for the first time, this is easily one of the most talked-about films of 2026. And if you are curious about Amazon's other summer release — Masters of the Universe just crossed $60 million globally in its first five days — it is shaping up to be a massive season for Amazon MGM Studios.