On the planet Cybertron, a war was waged between the Autobots and the Decepticons for control of the Allspark, a mystical talisman that would grant unlimited power to whoever possessed it. The Allspark is smuggled off the planet, but Megatron goes in search of it. He tracks it to Earth and his desire for power sends him into the Arctic Ocean. The sheer cold forces him into a paralyzed state. His body is later recovered, and before going into a comatose...

College-bound Sam Witwicky learns the truth about the ancient origins of the Transformers. He will have to accept his destiny and join Optimus Prime and Bumblebee in their epic battle against the Decepticons. The Decepticon forces, who have returned stronger than ever, have come to Earth on a mission to take Sam prisoner and destroy the world.

The Autobots must stop a colossal planet-consuming robot who goes after the Autobot Matrix of Leadership. At the same time, they must defend themselves against an all-out attack from the Decepticons.

Charlie Watson discovers and repairs an old Volkswagen Beetle as a way to remember her father and stake her independence from a stepfather she abhors, with only the music of The Smiths and the unrequited crush of the boy-next-door for friends. When she discovers the VW Bug is actually an alien robot on a reconnaissance mission for the rest of his race, the two form a bond which eventually has her putting her life on the line against evil alien robots,...

The world was saved after an epic battle that left a great city torn. As humanity picks up the pieces, a shadowy group reveals itself in an attempt to control the direction of history, while an ancient, powerful new menace sets Earth in its crosshairs. With help from a new cast of humans, Optimus Prime and the Autobots rise to meet their most fearsome challenge yet. In an incredible adventure, they are swept up in a war of good and evil, ultimately...