Explosive New TRANSFORMERS: THE LAST KNIGHT Trailer Released April 12, 2017 THE LAST KNIGHT shatters the core myths of the Transformers franchise, and redefines what it means to be a hero. Humans and Transformers are at war, Optimus Prime is gone. The key to saving our future lies buried in the secrets of the past, in the hidden history of Transformers on Earth. Saving our world falls upon the shoulders of an unlikely alliance: Cade Yeager (Mark Wahlberg); Bumblebee; an English Lord (Anthony Hopkins); and an Oxford Professor (Laura Haddock). Irish release date is June 23, 2017.