The Canadian Encyclopedia — neutral, cited, updated
July 26, 2026Sources cited
Canadianwire.
Canada’s encyclopedia & explainer
Home›Entertainment›Film›Transformers One
Entertainment • Film

Transformers One

Transformers One is a 2024 American computer-animated science fiction action film based on Hasbro’s Transformers toy line.

By Ethan Anderson| Reviewed by Olivia Bennett, Standards & Fact-Checking Lead| Updated July 26, 2026|2 min read| Fact-checked

Transformers One is a 2024 American computer-animated science fiction action film directed by Josh Cooley. It serves as an origin story for Optimus Prime and Megatron, focusing on their early friendship on Cybertron. The film features a voice cast led by Chris Hemsworth and Brian Tyree Henry.

Plot

The film follows Orion Pax and D-16 before they become Optimus Prime and Megatron. Their relationship changes as they uncover secrets about Cybertron and its leadership, setting them on opposing paths.

Production

Transformers One was directed by Josh Cooley from a screenplay by Eric Pearson, Andrew Barrer, and Gabriel Ferrari. It expands the Transformers franchise with a fully computer-animated feature film.

Cast

The voice cast includes Chris Hemsworth, Brian Tyree Henry, Scarlett Johansson, Keegan-Michael Key, Steve Buscemi, Laurence Fishburne, and Jon Hamm. The principal characters include Orion Pax, D-16, Elita-One, Bumblebee, Sentinel Prime, and Alpha Trion.

Release

The film premiered in 2024 and was released in U.S. theatres on September 20, 2024. It was later made available for streaming on October 22, 2024.

Key facts

  • It is a prequel that explores the origins of Optimus Prime and Megatron.
  • The story is set on Cybertron, the Transformers’ home planet.
  • Chris Hemsworth voices Orion Pax, who becomes Optimus Prime.
  • Brian Tyree Henry voices D-16, who becomes Megatron.
  • The film was released theatrically in the United States on September 20, 2024.
🍁
Canadian context

The film is part of the globally popular Transformers franchise and was released internationally, making it of interest to Canadian audiences as a major Hollywood animated feature.

Frequently asked questions

What is Transformers One about?
It is an origin story about the early relationship between Orion Pax and D-16 before they become Optimus Prime and Megatron.
Is Transformers One animated?
Yes. It is a computer-animated film.
Who directed Transformers One?
Josh Cooley directed the film.
Who voices Optimus Prime and Megatron?
Chris Hemsworth voices Orion Pax/Optimus Prime, and Brian Tyree Henry voices D-16/Megatron.
When was Transformers One released?
It was released in U.S. theatres on September 20, 2024.

References

  1. Wikipedia — https://en.wikipedia.org/wiki/Transformers_One
    Supports: Basic film identification, director, screenplay, cast, and premise.
  2. Rotten Tomatoes — https://www.rottentomatoes.com/m/transformers_one
    Supports: Release date, runtime, rating, genre, and synopsis.
  3. What's After the Movie? — https://www.whatsafterthemovie.com/movies/transformers-one
    Supports: Plot overview and relationship between Optimus Prime and Megatron.
  4. Cinemark — https://www.cinemark.com/movie-news/articles/transformers-one-animated-prequel-cast-story-plot-details
    Supports: Cast roles and release date.
  5. Space.com — https://www.space.com/transformers-one-movie-everything-we-know
    Supports: Premise, setting, director, and origin-story framing.