[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.

Younger Dr. Emmett Brown: [running out of the room] 1.21 gigawatts? 1.21 gigawatts? Great Scott!
Marty McFly: [following] What-what the hell is a gigawatt?

Stella Baines: He's a very strange young man.
Sam Baines: He's an idiot. Comes from upbringing. Parents are probably idiots too. Lorraine, if you ever have a kid that acts that way I'll disown you.

[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.

Dr. Emmett Brown: Oh, my God, they found me, I don't know how, but they found me. Run for it Marty.
Marty McFly: Who? Who?
Dr. Emmett Brown: Who do you think? The Libyans.
Marty McFly: Holy shit!

[Lorraine's parents are talking about Marty McFly, Lorraine's future son]
Stella Baines: He's a very strange young man.
Sam Baines: He's an idiot. Comes from upbringing. His parents are probably idiots too. Lorraine, if you ever have a kid that acts that way I'll disown you.

[to Uncle Joey as a baby, playing in his playpen] So you're my Uncle Joey. Better get used to these bars, kid.

Marty McFly

I have your car towed all the way to your house and all you've got for me is *lite* beer?

Biff Tannen

Roads? Where we're going we don't need... roads.

Dr. Emmett Brown

Chuck. Chuck. It's Marvin - your cousin, Marvin BERRY. You know that new sound you're looking for? Well, listen to this!

Marvin Berry

Dr. Emmett Brown: Then tell me, "Future Boy," who's President in the United States in 1985?
Marty McFly: Ronald Reagan.
Dr. Emmett Brown: [laughs] Ronald Reagan. The actor? Then who's VICE-President? Jerry Lewis!

Back to the Future made a superstar out of Michael J. Fox and became a classic. Watch Back to the Future and see what we mean.

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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]

Younger Dr. Emmett Brown: [running out of the room] 1.21 gigawatts? 1.21 gigawatts? Great Scott!
Marty McFly: [following] What-what the hell is a gigawatt?