Mechanic and would-be inventor Cade Yeager (Mark Wahlberg) gets more than he bargained for when an old truck he buys for parts is revealed to be the Transformer Optimus Prime. Cade soon finds himself aiding Prime and his loyal Autobots─including the legendary Dinobots─in their ongoing struggle against the sinister Decepticons, now under the command of their new leader, Galvatron. Director Michael Bay's fourth entry in the successful toy-based film series also stars Stanley Tucci, Kelsey Grammer, Nicola Peltz. 164 min. Widescreen; Soundtracks: English Dolby Digital 5.1, Dolby Digital stereo, Dolby Atmos, DVS, French Dolby Digital 5.1, Portuguese Dolby Digital 5.1; Subtitles: English (SDH), French, Portuguese, Spanish; featurettes. Three-disc set.