Transformers: Age of Extinction is a 2014 science fiction action film based on the Transformers franchise. It is the fourth installment of the live-action Transformers film series and stars Mark Wahlberg in the lead role. A sequel to Transformers: Dark of the Moon, the film takes place five years after the invasion of Chicago. Like its predecessors, the film is directed by Michael Bay and executive produced by Steven Spielberg. The screenplay is written by Ehren Kruger, who has served as screenwriter since Transformers: Revenge of the Fallen. The film features an entirely new cast of human characters and is the first in the series to feature the Dinobots. Returning Transformers include Optimus Prime, Bumblebee, Ratchet, Leadfoot, and Brains. The film was released on June 27, 2014, in IMAX and 3D
