A scene from Back to the Future 1985
Marty

Uh, this is heavy duty, Doc. This is great. Uh, does it run like on, on regular, unleaded gasoline?

Doc Brown

Unfortunately, no. It requires something with a little more kick; Plutonium!

Marty

Uh, Plutonium... Wait a minute, are you telling me that this sucker is nuclear?!

Doc Brown

Hey! Hey, hey, keep rolling, keep rolling there! 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

Doc, you don't just walk into a store and buy plutonium! Did you rip that off?

Doc Brown

[waving arms]

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 shoddy bomb casing full of used pinball machine parts!

In this scene

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