Under Optimus Prime's command, an army of Dinobots roll out across a bridge in an action-heavy assault against humanity in the latest two TV spots for Transformers: Age of Extinction. Tons of new footage is revealed in this look at Michael Bay's fourth installment of the popular franchise, which brings the Autobots and Dinobots together in a continuing war against the Decepticons, as a mysterious threat begins to reveal itself. Watch as a fresh team of transforming robots assembles on the battlefield, in theaters this summer.