When college-bound Sam Witwicky learns the truth about the ancient origins of the Transformers, he must accept his destiny and join Optimus Prime and Bumblebee in their epic battle against the Decepticons, who have returned stronger than ever with a plan to destroy the world.

Second of trilogy. Based on Hasbro's Transformers action figures. Originally released as a motion picture in 2009. Special features: commentary track by Michael Bay, Roberto Orci and Alex Kurtzman.