Back to the Future: The Ride heavily from the original. Following the events of "Back to the Future Part III", Dr. Emmett "Doc" Brown moves to the present time in Hill Valley where, in 1991, he founded the Institute of Future Technology, a scientific institute specializing in his "futuristic" inventions. On May 2, 1991, he invites tourists into the facility as "volunteers" in order to test out his newest invention, the eight-passenger DeLorean time machine, by traveling one day into the future. Meanwhile, Doc travels to 2015 in the original DeLorean (a new time machine being built out of another DeLorean) to make sure the space
Back to the Future (franchise) not doing so will unravel everything they've accomplished. In a female voice, the artificial intelligence of the Quantum Mind Jar tells Doc that they need to go back to the future, which he dismisses as he doesn't want to risk making any more time travel. At that moment, another Emmett Brown, from an unknown time period, arrives, also declaring his experiment a success. Both versions of Emmett, along with the artificial intelligence of the Quantum Mind Jar, are shocked at discovering that there are two Emmett Browns present. "Back to the Future: The Ride" is a simulator ride based on