Project Hail Mary (2026)

Kernel Score: 96% · 5,471 ratings · Rated PG-13

Genres: Science Fiction, Adventure

Released: 2026-03-15

Runtime: 157 minutes

Is Project Hail Mary worth watching?

Must-watch. A big, warm space adventure about a lone astronaut who wakes up with no memory and a world to save. It mixes clever science, humour and an unlikely friendship, and it's a joy.

Watch it if you

  • like smart, heartfelt sci-fi
  • enjoy problem-solving stories
  • want a feel-good space film

Skip it if you

  • dislike long films
  • want pure action

Best for: Cinema-style night

Fresh Kernels verdict, AI-assisted from our scores, audience reviews and the official rating.

Where to watch Project Hail Mary

  • Stream: Prime Video, Fubo, Philo, MGM+
  • Rent: Prime Video, Apple TV, Google Play, YouTube
  • Buy: Prime Video, Apple TV, Google Play, YouTube

US availability, updated 2026-10-29.

Overview

Science teacher Ryland Grace 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.

Fresh Kernels Review

96% · “Astonishing!” — Gary Alcock

There is a moment early in “Project Hail Mary” — Phil Lord and Christopher Miller’s ravishing, enormously moving adaptation of Andy Weir’s novel — when Ryland Grace (Ryan Gosling) wakes alone on a spaceship with no memory, no bearings and no company save for a pair of desiccated corpses strapped in beside him. The camera lingers on Gosling’s face as confusion curdles into something closer to existential terror, and in that sustained close-up you can feel the entire film declare its ambitions: this will not be a movie content merely to hurtle through space. It intends to sit with you in the… Read the full review

Project Hail Mary parents' guide: ages 9+

Parents need to know that this PG-13 sci-fi adventure follows an amnesiac science teacher on a solo space mission to save a dying sun, emphasizing bravery, friendship, and ingenuity.

  • Violence & scariness: Some — Space-mission peril and life-or-death stakes as Earth faces extinction, but the tone is adventurous problem-solving rather than violent.

Fresh Kernels AI-assessed from the official PG-13 rating, publicly documented content. A guide for families, not an official rating.

Movies like Project Hail Mary

If you liked Project Hail Mary, these are the movies we'd watch next.

  • Interstellar (2014) — 95%: Epic space story that also has a big emotional core.
  • Arrival (2016) — 85%: Thoughtful first-contact story.
  • Moon (2009) — 87%: Lone astronaut story with a human core.
  • Enemy Mine (1985) — 77%: An unlikely friendship between two enemies.
  • Sunshine (2007) — 77%: Mission to save the Sun.
  • Gravity (2013) — 81%: Survival story set in space.

Director

Phil Lord

Cast

  • Ryan Gosling as Ryland Grace
  • James Ortiz as Rocky (voice)
  • Sandra Hüller as Eva Stratt
  • Lionel Boyce as Carl
  • Milana Vayntrub as Olesya Ilyukhina
  • Ken Leung as Yao
  • Priya Kansara as Mary (voice)
  • Mia Soteriou as Dr. Browne
  • Annelle Olaleye as Olivia
  • Maya Eva Hosein as Rekha

Project Hail Mary FAQ

Is Project Hail Mary worth watching?

Must-watch. A big, warm space adventure about a lone astronaut who wakes up with no memory and a world to save. It mixes clever science, humour and an unlikely friendship, and it's a joy.

Where can I watch Project Hail Mary?

In the US you can stream Project Hail Mary on Prime Video, Fubo, Philo and MGM+ and rent it from Prime Video, Apple TV, Google Play and YouTube.

Is Project Hail Mary OK for kids?

Project Hail Mary is rated PG-13. Fresh Kernels suggests ages 9+. Parents need to know that this PG-13 sci-fi adventure follows an amnesiac science teacher on a solo space mission to save a dying sun, emphasizing bravery, friendship, and ingenuity.

What movies are like Project Hail Mary?

If you liked Project Hail Mary, try Interstellar, Arrival, Moon and Enemy Mine.