Doc Brown travels to an unknown date to ensure these inventions are never created, which will prevent the nuclear explosion. He leaves his camera on, which captures the inventions being erased from history. He arrives back in 2015, in a winter jacket and ski goggles, declaring that the mission was more complicated than he calculated, but declaring it a success. He holds up the tablet computer, where the headline on the Hill Valley Telegraph changes from "Griff Tannen Founds Grifftech" to "Griff Tannen Found Guilty".