Transformers: Dark of the Moon

A mysterious event from Earth's past threatens to erupt into a present-day war so big that the Transformers alone cannot save humanity.A mysterious event from Earth's past threatens to erupt into a present-day war so big that the Transformers alone cannot save humanity.
Sam Witwicky (Shia LaBeouf) and his new girlfriend, Carly (Rosie Huntington-Whiteley), join the fray when the evil Decepticons renew their longstanding war against the Autobots. Optimus Prime (Peter Cullen) ]believes that resurrecting ancient Transformer Sentinel Prime (Leonard Nimoy) ], once the leader of the Autobots, may lead to victory. That decision, however, has devastating consequences; the war appears to tip in favor of the Decepticons, leading to a climactic battle in Chicago.