Sam Witwicky leaves the Autobots behind for a normal life. But when his mind is filled with cryptic symbols, the Decepticons target him and he is dragged back into the Transformers' war. In a battle to save Earth, Sam must decipher the symbols and locate the Matrix of Leadership to stop the Decepticons from activating the Sun Harvester and seeking revenge.

In a world where the government hunts down and destroys all transformers, a mechanic, his daughter, and her boyfriend become involved in a conflict when they discover Optimus Prime. As a new enemy, Lockdown, sets his sights on Earth, the Autobots and their human allies must band together to protect humanity. Along the way, they uncover a plot by a technology company to create their own Transformers. The fate of the Autobots and the world hangs in the balance.

An ancient struggle between two Cybertronian races, the heroic Autobots and the evil Decepticons, comes to Earth. The Autobots seek to protect humanity and find the AllSpark, a cube that grants independent life to objects. The Decepticons, led by Megatron, seek to use the AllSpark for their own destructive purposes. With the help of teenager Sam Witwicky, the Autobots must battle the Decepticons and prevent them from obtaining the ultimate power.

In the fifth Transformers film, a deadly threat from Earth's history reappears as the Autobots and Decepticons hunt for a lost artifact. Meanwhile, Optimus Prime encounters his creator in space. As Earth faces destruction, it's up to the Autobots to save the planet.

During the war on Cybertron, a spacecraft called The Ark containing valuable items crashed on the moon. In 1969, astronauts secretly explored the craft. In the present day, the Autobots discover a plot by the Decepticons to use the recovered items to bring an invasion force to Earth. Sam Witwicky and the Autobots must stop them and save the planet.