This is uh... This is heavy duty, Doc. This is great. Uh, does i...
[talking about the Time Machine]
Marty McFly: [looks through a camcorder] This is uh... This is heavy duty, Doc. This is great. Uh, does it run, like, on regular unleaded gasoline?
Dr. Emmett Brown: Unfortunately no, it requires something with a little more kick - plutonium.
Marty McFly: Uh, plutonium? Wait a minute. Are-
[lowers the camcorder]
Marty McFly: Are you telling me that this sucker is nuclear?
Dr. Emmett Brown: Hey, hey, hey. Keep rolling. Keep rolling, there.
[Marty raises the camcorder]
Dr. Emmett Brown: No, no, no, no, no. This sucker's electrical. But I need a nuclear reaction to generate the 1.21 gigawatts of electricity I need.
Marty McFly: Doc, you don't just walk into a store and-and buy plutonium. Did you rip that off?
Dr. Emmett Brown: Shhhhhh. Of course. From a group of Libyan nationalists. They wanted me to build them a bomb, so I took their plutonium and in turn, gave them a shiny bomb-casing full of used pinball machine parts! Come on! Let's get you a radiation suit. We must prepare to reload.