- Marty: "Wait a minute. Wait a minute. Doc, uh... Are you telling me that you built a time machine... out of a DeLorean?"
- Doc: "Yes, the way I see it, if you're gonna build a time machine into a car, why not do it with some style?"
- — Doc and Marty during the first test
The DeLorean time machine was Doctor Emmett Brown's most successful invention, a plutonium-powered time machine comprised of a DeLorean DMC-12 sports car that had to reach 88 miles per hour in order to time travel. On November 5, 1955, Doc slipped on his toilet while hanging a clock in his bathroom. When he came to, he had a vision of the flux capacitor in his head. It was constructed afterward and completed in 1985.