Last week, Facebook introduced a new feature entitled "Look Back," where users can revisit some of their favorite posts, photos and videos. It seems Optimus Prime is in on the action as he has posted his own "Look Back", in support of the upcoming sequel Transformers: Age of Extinction. Fans can look at some of their favorite Optimus Prime moments from this franchise, including photos from director Michael Bay's sequel that hits theaters nationwide June 27. Take a look at this new video and stay tuned for more footage from this action-thriller, as we get closer and closer to the release date.