Ladies and Gentlemen! Welcome to the Biff Tannen Museum! Dedicated to Hill Valley's #1 Citizen. And America's greatest living folk hero. The one and only Biff Tannen. Of course we've all heard the legend, but who is the man? Inside you will learn how Biff Tannen became the richest and most powerful man in America. Learn the amazing history of the Tannen family, starting with his great-grandfather, Buford 'Mad Dog' Tannen, the fastest gun in the West. See Biff's humble beginnings and how a trip to the race track on his 21st Birthday made him a millionaire overnight. Share in the excitement of a fabulous winning streak that earned him the nickname "The Luckiest Man on Earth." Learn how Biff parlayed that lucky winning streak into the vast empire called Biffco. Discover how, in 1979, Biff successfully lobbied to legalize gambling and turned Hill Valley's dilapidated courthouse into a beautiful casino-hotel!

Television announcer

Marty McFly: There he is, Doc! Let's land on him, we'll cripple his car.
Doc: Marty, he's in a '46 Ford, we're in a DeLorean. He'd rip through us like we were tin foil.

Young Doc: No! It can't be; I just sent you back to the future!
Marty McFly: No, I know; you did send me back to the future. But I'm back ... I'm back from the future.
Young Doc: Great Scott! [faints]
Marty McFly: Doc! Doc! Doc!

Biff Tannen, I wouldn't marry you if you had a million dollars.

Lorraine Baines

Young Biff: Why don't you make like a tree and get out of here?
Old Biff: It's leave, you idiot! "Make like a tree, and leave." You sound like a damn fool when you say it wrong.
Young Biff: All right then, leave! And take your book with you!

[watching chase unfold in 2015] There's something very familiar about all this.

Old Biff

Marty McFly: That's right, Doc. November 12, 1955.
Doc: Unbelievable that old Biff could have chosen that particular date. It could mean that, that point in time inherently contains some sort of cosmic significance. Almost as if it were the junction point for the entire space-time continuum. On the other hand, it could just be an amazing coincidence.

S. S. Strickland: So you're the son of a bitch who's been stealing my newspapers.
Marty McFly: Mr. Strickland! It- it- it's me, sir. Marty McFly!

S. S. Strickland: Who?
[jabs Marty with shotgun threateningly]
Marty McFly: Marty McFly! Marty McFly! Don't you know, Mr... From school, sir!
S. S. Strickland: I've never seen you before, but you look to me like a slacker!
Marty McFly: Yeah! That's right! That's right, I am a slacker! Don't you remember, you gave me detention last week!
S. S. Strickland: Last week? The school burnt down six years ago! Now you got exactly three seconds to get off my porch with your nuts intact!

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Back to the Future Part II Quotes

'Ronald Reagan' Video Waiter: Welcome to the Cafe 80's, where it's always morning in America, even in the afternoon. Our special today is mesquite-grilled sushi...
'Ayatollah Khomeini' Video Waiter: [interrupts] You must have the hostage special!
Marty McFly: Hey, hey, hey, hey, guys, hey, hey! All I want is a Pepsi.

Biff Tannen: That's about as funny as a screen door on a battleship.
Marty McFly: [under his breath] It's screen door on a submarine, you dork.