Transformers One is a 2024 American animated science fiction action film based on Hasbro's Transformers toy line. It was directed by Josh Cooley from a screenplay by Eric Pearson and the writing duo of Andrew Barrer and Gabriel Ferrari, based on a story by Barrer and Ferrari. Featuring the voices of Chris Hemsworth, Brian Tyree Henry, Scarlett Johansson, Keegan-Michael Key, Steve Buscemi, Laurence Fishburne, and Jon Hamm, the film is set on Cybertron, the home planet of the Transformers, and depicts the origins and early relationship of Optimus Prime and Megatron.

Plot

Cybertron is a planet inhabited by sentient robots fueled by a substance called Energon and fitted with transformation cogs, devices that allow them to transform into vehicles. In the underground city of Iacon, Orion Pax, a mining robot without a cog, sneaks into an archive and watches a documentary on the Primes, the first Cybertronians made directly by their creator Primus. Security guards catch Orion, but his best friend D-16 bails him out. Later, a cave-in occurs in the Energon mine where the two work, trapping fellow miner Jazz. While Orion and D-16 save him, their overseer, Darkwing, blames the incident on their superior, Elita-1, and has her demoted.