Dr. Emmett Brown: Let me show you my plan for sending you home. Please excuse the crudity of this model, I didn't have time to build it to scale or to paint it.
[reveals intricate tabletop model of the town square]
Marty McFly: [impressed] It's good.

Stella! Another one of these damn kids jumped in front of my car! Come on out here and help me take him in the house!

Sam Baines

[holding Marty's video camera] No wonder your president has to be an actor, he's gotta look good on television.

Dr. Emmett Brown

George McFly: Lorraine, my density has bought me to you.
Lorraine Baines: What?
George McFly: Oh, what I meant to say was...
Lorraine Baines: Wait a minute, don't I know you from somewhere?
George McFly: Yes. Yes. I'm George, George McFly. I'm your density. I mean... your destiny.

Lorraine Baines: Our first television set. Dad just picked it up today. Do you have a television?
Marty McFly: Well, yeah! You know we have... two of them.
Milton Baines: Wow! You must be rich!
Stella Baines: Oh, honey, he's teasing you. Nobody has two television sets.

Last night, Darth Vader came down from planet Vulcan and told me that if I didn't take Lorraine out that he'd melt my brain.

George McFly

Marty McFly: Wait a minute, Doc. Ah... Are you telling me you built a time machine... out of a DeLorean?
Dr. Emmett Brown: The way I see it, if you're gonna build a time machine into a car, why not do it with some style?

Dr. Emmett Brown: What on Earth's this thing I'm wearing?
Marty McFly: Ah, this, this is a radiation suit.
Dr. Emmett Brown: Radiation suit? Of course, because of all the fallout from the atomic wars.

Jesus, George, it's a wonder I was ever born.

Marty McFly

Mr. Strickland: I noticed your band is on the roster for the dance auditions after school today. Why even bother, McFly? You don't have a chance, you're too much like your old man. No McFly ever amounted to anything in the history of Hill Valley!
Marty McFly: Yeah, well, history is gonna change.

If you put your mind to it, you can accomplish anything.

Marty McFly

Marty McFly: Too loud. I can't believe it. I'm never gonna get a chance to play in front of anybody.
Jennifer Parker: Marty, one rejection isn't the end of the world.
Marty McFly: Nah, I just don't think I'm cut out for music.
Jennifer Parker: But you're good, Marty, you're really good. And this audition tape of yours is great. You've gotta send it in to the record company. It's like Doc's always saying...
Marty McFly: Yeah, I know, I know. If you put your mind to it you can accomplish anything.
Jennifer Parker: That's good advice, Marty.

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