The first trailer for the upcoming Transformers: Age of Extinction aired tonight, and it was as explosion-heavy as any Michael Bay film before it. The fourth entry in the series is the first without Shia LaBeouf, starring Mark Wahlberg and an entirely new cast. It already looks like the Dinobots will be prominent, so that's at least one reason to look forward to it when it hits theaters on June 27th. Because that's Optimus Prime riding a dinosaur if you missed it.