Realizing that Cybertron has fallen, he orders all Autobots to get to their escape pods. He leads the Autobots against the Decepticons trying to take over Cybertron, but is forced to retreat when Decepticon reinforcements led by Soundwave and Shockwave attack them. Optimus Prime reappears and appears similar to his G1 counterpart in Bumblebee. After defeating Quintessa and saving both worlds, Optimus and the Autobots return to Cybertron, which has joined with the Earth into one planet.

Just as he is about to kill Bumblebee, Bee speaks for the first time in ten years, which causes him to return to normal. Prime's eyes turn purple and becomes Nemesis Prime under Quintessa's control. She tells Prime that he must retrieve her staff to rebuild Cybertron. He finds Quintessa, the Prime of Life, who brainwashes Optimus to do her bidding of destroying the Earth, which she reveals is an ancient enemy planet, Unicron. In The Last Knight, Optimus arrives at Cybertron, now a dead planet. At the start of the movie, Optimus uses a mode similar to his G1 counterpart but with a lot of rust. He sets the Dinobots free and asks his fellow Autobots to protect Cade and his family before taking the Seed into space and going after the Creators. After defeating Galvatron's army, he kills Attinger and Lockdown. Escaping the eyes of Cemetery Wind, Optimus leads the Autobots once again, taming the Dinobots and rides Grimlock to fight Galvatron and his new army of man-made Transformers. A badly wounded Optimus is discovered by struggling inventor Cade Yeager, who shelters him. In Age of Extinction, he is hunted by Harold Attinger, Cemetery Wind, and Lockdown, who is working for the Creators to bring him to Cybertron and kill any Autobots who refuse to give up his location. Optimus loses his right arm to Sentinel Prime at the film's climax. The trailer contains enhanced weapons and flight gear. In the film, Optimus is depicted with a trailer similar to his Generation 1 counterpart, and has been redesigned to look more heroic. During the battle in Chicago, Optimus kills some Decepticons, including the Driller, Shockwave, and Megatron before he kills Sentinel Prime. However, Sentinel betrays the Autobots and joins the Decepticons to restore Cybertron with the Pillars meanwhile, the Autobots are sent into space. In Dark of the Moon, Optimus revives Sentinel Prime using the Matrix of Leadership and reveals he was the leader of the Autobots before him. After a vicious fight, Optimus severely wounds Megatron and kills the Fallen, telling him to 'give me your face.' Optimus Prime then faces the Fallen and Megatron. Near the end of the film, he is revived by Sam with the Matrix of Leadership and is fused with Jetfire, making him more powerful.

In Revenge of the Fallen, Optimus is killed by Megatron during a battle with him, Starscream, and Grindor. Afterward, Optimus and the other Autobots form an alliance with the humans and work closely with them, with the resulting alliance being called NEST.

At Mission City, he kills Bonecrusher and battles Megatron, but Sam pushes the AllSpark into Megatron's chest, killing him and destroying the cube as a result, Cybertron can no longer be restored. In the first film, Optimus Prime arrives on Earth with Ratchet, Ironhide, and Jazz trying to find the AllSpark. Optimus Prime transforms into a 1994 red and blue Peterbilt 379 semi-trailer truck in the first three films, a rusty 1973 Marmon HDT-AC 86 semi cab-over truck in the beginning of the fourth film, and later a blue and red 2014 Western Star 5700 OP Phantom semi-truck. Optimus Prime (voiced by Peter Cullen) is the leader of the Autobots, the last descendant of the Dynasty of Primes and keeper of the Matrix of Leadership. See also: Optimus Prime § Transformers film series The Autobots are the main protagonists of the Transformers franchise who come from the planet Cybertron. Further information: Transformers (film series) § Cast Character

Gray autobot transformers tv