Blu-ray/DVD/DIGITAL COPY COMBO. a mysterious event from Earth's past threatens to ignite a war so big that the TRANSFORMERS alone will not be able to save the planet. Sam Witwicky (Shia LaBeouf) and the AUTOBOTSmust fight against the darkness to defend our world from the DECEPTICONS' all-consuming evil in the smash hit from director Michael Bay and executive producer Steven Spielberg.