Serenity (2005)

Kernel Score: 84% · 3,792 ratings · Rated PG-13

Genres: Science Fiction, Action, Adventure, Thriller

Released: 2005-09-25

Runtime: 119 minutes

Is Serenity worth watching?

Worth watching. A ragtag spaceship crew hides a dangerous passenger in this Firefly follow-up. It's funny, fast and likeable, with great banter, though newcomers may miss some history.

Watch it if you

  • like space adventures with banter and heart
  • enjoy found-family crews
  • want a sci-fi film that's fun more than grim

Skip it if you

  • want hard sci-fi realism
  • dislike jokey dialogue in action scenes

Best for: Fun sci-fi night

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

Where to watch Serenity

  • Free with ads: YouTube Free
  • Rent: Prime Video, Apple TV, Google Play, YouTube
  • Buy: Prime Video, Apple TV, Google Play, YouTube

US availability, updated 2026-10-22.

Overview

When the renegade crew of Serenity agrees to hide a fugitive on their ship, they find themselves in an action-packed battle between the relentless military might of a totalitarian regime who will destroy anything – or anyone – to get the girl back and the bloodthirsty creatures who roam the uncharted areas of space. But... the greatest danger of all may be on their ship.

Serenity parents' guide: ages 11+

Parents need to know that Serenity is a PG-13 sci-fi action film with space battles and violent creatures.

  • Violence & scariness: Moderate — Involves military conflict, fugitive chases, and bloodthirsty creatures, consistent with its PG-13 rating.

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

Movies like Serenity

If you liked Serenity, these are the movies we'd watch next.

Director

Joss Whedon

Cast

Serenity FAQ

Is Serenity worth watching?

Worth watching. A ragtag spaceship crew hides a dangerous passenger in this Firefly follow-up. It's funny, fast and likeable, with great banter, though newcomers may miss some history.

Where can I watch Serenity?

In the US you can watch it free with ads on YouTube Free and rent it from Prime Video, Apple TV, Google Play and YouTube.

Is Serenity OK for kids?

Serenity is rated PG-13. Fresh Kernels suggests ages 11+. Parents need to know that Serenity is a PG-13 sci-fi action film with space battles and violent creatures.

What movies are like Serenity?

If you liked Serenity, try Rogue One: A Star Wars Story, The Avengers, The Empire Strikes Back and Star Trek II: The Wrath of Khan.