Project Hail Mary has been one of the biggest films of 2026, earning widespread acclaim as the year's best sci-fi blockbuster. Here is everything you need to know about its runtime and streaming availability.
When is the Project Hail Mary streaming release date?
The film, starring Ryan Gosling as Ryland Grace, will be available to stream exclusively on MGM+ in the UK from Thursday, 18 June. Viewers can access MGM+ by subscribing directly through the MGM+ website or by adding it as a channel via streaming platforms such as Prime Video, Apple TV, and Roku.
How long is the Project Hail Mary runtime?
The film runs for 156 minutes, or two hours and 36 minutes. Production took place during 2024 in the UK, utilising both location shoots and purpose-built sets. All sequences aboard the Hail Mary were captured on an authentic practical set constructed specifically for the production.
Critical and commercial success
Adapted from Andy Weir's 2021 novel, the film premiered in March 2026 to critical acclaim and box office triumph, earning $681 million (£509 million) globally. It became the third highest-grossing picture of 2026 and has been recognised among the finest films of the 2020s. Driven by exceptional word-of-mouth recommendations, the picture maintained audience appeal throughout its cinema run, leading Amazon MGM to prolong its theatrical release beyond three months.
Plot summary
The official synopsis states: "Science teacher Ryland Grace (Ryan Gosling) wakes up on a spaceship light years from home with no recollection of who he is or how he got there. As his memory returns, he begins to uncover his mission: solve the riddle of the mysterious substance causing the sun to die out. He must call on his scientific knowledge and unorthodox ideas to save everything on Earth from extinction... but an unexpected friendship means he may not have to do it alone."
Audience reactions
Audiences have flocked to IMDb reviews to express their views, with many describing it as a "rock solid masterpiece." One viewer wrote: "One of the best movies I've seen in a while. So cleverly written, with so much unexpected emotion. Someone better give Ryan Gosling an Oscar for this masterpiece." Another commented: "Phenomenal, emotional, and wildly entertaining from start to finish. I honestly don't remember the last time a movie made me feel this in love with cinema again. 10/10. Truly in a league of its own."
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