Marty You know, Doc, you left your equipment on all week. Doc Brown My equipment? That reminds me Marty, you'd better not hook up to the amplifier. There's a slight possibility of overload. Marty Yeah... I'll keep that in mind. Peabody's wife Lord, what is it, what is it, Paw? Old Man Peabody Looks like a airplane... without wings! Sherman Peabody That ain't no airplane. Look! [shows father "Tales from Space" comic book] Marty Sorry about your barn. (Old Man Peabody tries to shoot him) Sherman Peabody It's already mutated into human form, shoot it! Old Man Peabody Take that, you mutated son of a bitch!