Marty McFly: [acting cool] Do you mind if we... park... for a while?
Lorraine Baines: That's a great idea. I'd love to park.
Marty McFly: Huh?
Lorraine Baines: Marty, I'm almost 18 years old. It's not like I've never parked before.
Marty McFly: What?
Lorraine Baines: Marty, you seem so nervous. Is something wrong?
Marty McFly: [trying to maintain composure] No... No.
[Lorraine takes a sip from a liquor bottle]
Marty McFly: [grabbing the bottle from Lorraine] Lorraine, Lorraine, What are you doin'?
Lorraine Baines: [starting to laugh] I swiped it from the old lady's liquor cabinet.
Marty McFly: Yeah, well, you shouldn't drink.
Lorraine Baines: Why not?
Marty McFly: Because you - you might regret it later in life.
Lorraine Baines: Marty, don't be such a square. Everybody who's anybody drinks.
[Marty takes a sip from Lorraine's bottle then spit-takes as he notices Lorraine lighting a cigarette]
Marty McFly: [nauseatingly] Geez! You smoke too?
Lorraine Baines: Marty, you're beginning to sound just like my mother!

Dr. Emmett Brown: Marty, I'm sorry. But the only power source capable of generating 1.21 gigawatts of electricity is a bolt of lightning.
Marty McFly: [startled] What did you say?
Dr. Emmett Brown: A bolt of lighting. Unfortunately, you never know when or where it's ever gonna strike.
Marty McFly: We do now.
[hands Doc the "Save the Clock Tower" flyer]

[thinking Marty is an alien]
Sherman Peabody: It's already mutated into human form. Shoot it!
Old Man Peabody: [firing shotgun at barn] Take that, you mutated son of a bitch!

Things have certainly changed around *here*. I remember when this was all farmland as far the eye could see. Old man Peabody owned all of this. He had this crazy idea about breeding pine trees.

Dr. Emmett Brown

Biff Tannen: What are you looking at butthead?
Skinhead: Hey Biff, get a load of this guy's life preserver. Dork thinks he's gonna drown.

[seeing a poster for the Enchantment Under the Sea dance]
Dr. Emmett Brown: Look. There's a rhythmic ceremonial ritual coming up.
Marty McFly: Of course! The Enchantment Under the Sea dance! They're supposed to go to this. That's where they kiss for the first time.
Dr. Emmett Brown: All right, kid. You stick to your father like glue and make sure he takes her to that dance.

[Marty wakes up in Lorraine's bed]
Marty McFly: Mom... is that you?
Lorraine Baines: There, there now. Just relax.
[pats a damp cloth on Marty's forehead]
Lorraine Baines: You've been asleep for almost nine hours now.
Marty McFly: I had a horrible nightmare. I dreamed that I went... back in time. It was terrible.
Lorraine Baines: Well... You're safe and sound now, back in good old 1955.
Marty McFly: [opens his eyes wide] 1955?

Dr. Emmett Brown: You've gotta get your father and mother to interact in some sort of social...
Marty McFly: Wh-what? You mean like a date?
Dr. Emmett Brown: Right.
Marty McFly: Well, what kind of date? I don't know. What do kids do in the '50s?
Dr. Emmett Brown: Well, they're your parents you must know them. What are their common interests? What do they like to do together?
Marty McFly: Nothing.

Skinhead: [throws Marty in the trunk of a car] That's for messing up my hair!
Band Member: What the hell you doing to my car?
3-D: Hey, beat it, Spook. This don't concern you.
Marvin Berry: [four additional band members get out of the car] Who you calling "Spook", Peckerwood?
Skinhead: Hey, hey, listen, guys. Look, I don't wanna mess with no reefer addicts, okay?
Marvin Berry: Get home to your mama, boy.
3-D: Biff, help!
[the band members chase the boys]

Lorraine Baines: Anyway, your Grandpa hit him with the car, and brought him into the house. He seemed so helpless, like a little lost puppy. And my heart just went out to him.
Linda McFly: Yeah, Mom, we know. You've told us this story a million times. You felt sorry for him, so you decided to go with him to the Fish Under the Sea dance.
Lorraine Baines: No, no, it was the Enchantment Under the Sea dance.

[heads for a door then stops] Oh... one other thing. If you guys ever have kids and one of them when he's eight years old accidentally sets fire to the living room rug... go easy on him.

Marty McFly

Time circuits on. Flux Capacitor... fluxxing. Engine running. All right!
[the engine stops suddenly]

Marty McFly

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Back to the Future Quotes

[Marty places headphones over his father's ears and wakes him up by playing Van Halen music at full blast. George wakes up screaming - Marty pauses the music. George looks up to see Marty, who is unrecognizable because he is wearing a radiation suit]
George McFly: Who are you?
Marty McFly: [after giving him another earful of loud rock music] Silence Earthling! My name is Darth Vader. I am an extraterrestrial from the planet Vulcan!
[makes Live Long and Prosper sign with his hand]

[Biff is waxing George's car, it's a silver BMW]
George McFly: Uh... now Biff, I want make sure that we get two coats of wax this time. Not just one.
Biff Tannen: Just finishing up the second coat now.
George McFly: Now Biff, don't con me!
Biff Tannen: I-I'm-I'm sorry, Mr. McFly. I-I meant I was just starting on the second coat.
George McFly: Ahh... Biff. What a character. Always trying to get away with something. I've had to stay on top of Biff ever since High School. Although if it wasn't for him...
Lorraine Baines: We never would have fallen in love.
George McFly: That's right.