Transformers: Age of Extinction is a 2014 American science fiction action film based on the Transformers franchise. It is the fourth installment of the live-action Transformers film series and a stand-alone sequel to 2011's Transformers: Dark of the Moon, taking place five years after its events. Like its predecessors, it was directed by Michael Bay and written by Ehren Kruger, with Steven Spielberg and Bay as executive producers. It stars Mark Wahlberg, with Peter Cullen reprising his role as the voice of Optimus Prime. It is the first film in the series to not feature the original human characters from the first three films, but features a new cast of human characters and many new Transformers including: Galvatron, the Dinobots, Lockdown, Stinger, Junkheap, Hound, Crosshairs and Drift. Returning Transformers include: Optimus Prime, Bumblebee, Ratchet, Leadfoot and Brains. The film was released on June 27, 2014, in IMAX and 3D.
Transformers: Age of Extinction received extremely negative reviews from critics, many of whom considered it poorly directed, badly acted, and terribly written as well as criticized the film's runtime, but received some praise for its action sequences, stunts, effects and musical score. On Rotten Tomatoes the film holds an 18% approval rating and received seven nominations at the 35th Golden Raspberry Awards, including Worst Picture and Worst Prequel, Remake, Rip-off or Sequel, with Bay and Kelsey Grammer winning the awards for Worst Director and Worst Supporting Actor respectively. Age of Extinction grossed over $1.104 billion worldwide, making it the highest-grossing film of 2014, the second highest-grossing film in the Transformers series, the 19th film to gross over $1 billion, and the 16th highest-grossing film of all time. It was the sole film to gross over $1 billion in 2014.
A sequel, Transformers: The Last Knight, was released on June 21, 2017, with Cullen, Tucci, and Wahlberg returning, and Bay directing.