Written by Robert Zemeckis & Bob Gale

Directed by Robert Zemeckis

Running time: 112 minutes

Year: 1985

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ACT I

Sequence I: Marty is late for school when one of Doc Brown’s time experiments sets all of his clocks twenty-five minutes slow. At school, Principal Strickland cites Marty for his tardiness, and tells him his band has no chance because he’s from a family of losers.

1 – OPENING IMAGES: Clocks…lots and lots of clocks.

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Sequence II: Marty’s band fails their audition for the high school dance. His girlfriend, Jennifer, encourages him to send the band’s music to radio stations.

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Sequence III: Marty discovers Biff Tannen, George’s boss, wrecked George’s car, ruining Marty’s upcoming camping trip with Jennifer. Later, Lorraine, a middle-aged alcoholic, reminisces on the high school dance where she fell in love with George.

15 – UNCLE JAILBIRD JOEY SETUP: At dinner, LORRAINE MCFLY drops a cake on the table: Her brother didn’t make parole.

18 – MOMMY HOTS SETUP & DANCE KISS SETUP: Pouring herself another drink, Lorraine tells her children the tale of how she fell in love their father…

LORRAINE 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 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 No, no. It was the Enchantment Under the Sea Dance. Our first date. I’ll never forget it. It was the night of that terrible thunder storm. Remember, George? George doesn’t hear Lorraine -- he’s too busy watching The Honeymooners. LORRAINE Your father kissed me for the very first time on that dance floor. It was then that I realized that I was gonna spend the rest of my life with him.

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Sequence IV: Marty discovers Doc Brown has built a time machine out of a DeLorean and swindled a group of Libyan terrorists from their plutonium. Moments before Doc is set to travel time, he is gunned down by the Libyans. Marty is forced to flee in the DeLorean and accidentally transports himself to 1955.

18 – At 12:28AM, Marty wakes to a call from Doc, asking him to bring the video camera.

20 – Marty arrives at Twin Pines Mall…

We hear an ENGINE REV UP---the truck engine? The rear truck doors suddenly open and a SLEEK STAINLESS STEEL DELOREAN drive down the drop gate, onto the parking lot. It’s been modified with coils and some wicked looking units on the rear engine.

23 – INCITING INCIDENT: The DeLorean is a time machine.

MARTY (shocked) Jesus Christ! You disintegrated Einstein! BROWN Calm down, Marty! I didn’t disintegrate anything. The molecular structure of both Einstein and the car are completely intact. MARTY Then where the hell are they? BROWN The appropriate question is: WHEN the hell are they? You see, Einstein has just become the world’s first time traveler.

25 – The DeLorean bursts back into the present, nearing running over Marty and Doc. Doc opens its ice-covered door to find Einstein perfectly safe. Einstein’s watch is one minute behind Doc’s control watch.

26 – FLUX CAPACITOR SETUP: Showcasing the time machine, Doc keys in important dates, stopping to reflect on the date he created time travel…

BROWN Yes, of course...November 5, 1955... MARTY What? I don’t get what happened? BROWN That was the day I invented time travel. I remember it vividly: I was standing on the edge of my toilet, hanging a clock. The porcelain was wet; I slipped and hit my head on the edge of the sink and when I came to, I had a revelation---a vision---a picture in my head. A picture of THIS... Brown points to a particular centerpiece unit mounted inside the DeLorean. Marty aims the video camera and gets it on tape. He continues taping as Dr. Brown explains. BROWN This is what makes time travel possible: the Flux Capacitor.

30 – END OF ACT ONE TURN: The Libyans gun down and kill Doc.

30 – Marty flees from the Libyans in the temporary safety of the DeLorean.

32 – DECISION: Speeding away from the Libyans, Marty hits 88 miles-per-hour, activating the time machine circuits and transports himself to 1955.

ACT II-A

Sequence I: Marty is mistaken for an alien and nearly killed by a frightened family. He walks into downtown Hill Valley and realizes he’s in 1955.

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Sequence II: Marty stumbles upon George and witnesses Biff bully him. Later, Marty saves George from the path of an oncoming car, but is struck by the car and knocked out cold.

40 – BIFF THE BULLY PAYOFF: Marty sits down at the cafe, not realizing he’s sitting next to George until Biff bursts into the cafe and begins bullying his father.

42 – FIRST TRIAL & HOW I MET YOUR FATHER PAYOFF & MCFLY SERIOUS CONSEQUENCES SETUP: George falls out of the tree into the street, directly in the path of an oncoming car. Marty darts in danger’s way and pushes George to safety, but is struck by the car and knocked out cold.

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Sequence III: Marty regains consciousness in a dark room with the voice of his mother soothing him. He believes he’s experienced a nightmare until the lights come on and he sees Lorraine is his age. After an awkward dinner with Lorraine hitting on him, he rushes to find Doc.

44 – FIRST CASUALTY: Marty wakes to a 17 year old version of his mother. She’s very interested in him… sexually.

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Sequence IV: Marty locates Doc. Doc doesn’t believe his story until Marty reveals details about the flux capacitor.

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Sequence V: With DeLorean safe in Doc’s garage, Doc tells Marty the only capable energy source for time travel is a bolt of lightning. Marty shows him the clock tower flyer and Doc has the basis for his plan, but Marty intervening with his parents’ meeting has made the problem much more complex: Marty must get his parents together or be erased from existence.

52 – Marty takes Doc to the time machine at Lyon Estates. Doc stands in awe of the DeLorean. He pauses to show Marty a sketch of the Flux Capacitor…

Marty raises the gull wing door and points out the real thing. Brown stares: It matches his drawing perfectly. His eyes light up and he jumps and shouts with joy. BROWN Ha! It works! It works! Finally I invented something that works!

BROWN Marty, I’m sorry, but the only power source capable of generating 1.21 jigowatts of electricity is a bolt of lightning. MARTY (suddenly has an idea) What did you just say? BROWN A bolt of lightning. Unfortunately, you never know when or where lightning is going to strike. MARTY We do now! Marty turns over the note Jennifer wrote---it’s the clock tower flyer. He shows it to Brown. INSERT – NEWSPAPER XEROX The headline is “CLOCK TOWER STRUCK BY LIGHTNING. CLOCK STOPPED AT 10:04.” The date is Sunday, November 13, 1955. BACK TO SHOT Brown snaps his fingers. He’s getting an idea. BROWN (very excited) This is it! This is the answer. According to this, lightning is going to strike the clock tower at precisely 10:04 p.m. next Saturday night! If we could somehow harness this lightning...channel it into the flux capacitor...it just might work! Next Saturday night, we’re sending you back to the future!

56 – MIDPOINT & MCFLY SERIOUS CONSEQUENCES PAYOFF 1 & ERASED FROM EXISTENCE PAYOFF 1: Doc instructs Marty that he must not go out, as his actions may have serious consequences on future events. Marty’s reaction prompts Doc to question him…

BROWN (concerned) Marty, who else did you interact with today. Besides me? MARTY Well, nobody, really. I just sort of bumped into my parents... BROWN Great Scott! Let me see that picture again, of your brother! Brown takes Marty’s wallet and looks at the picture. His expression becomes grim. MARTY What’s the problem? BROWN It’s happened. This proves my theory. Look at your brother. Brown shows it to him. INSERT – PHOTOGRAPH Marty’s brother Dave has no head! BACK TO SHOT MARTY His head’s gone...like it’s been erased. BROWN Erased from existence...

ACT II-B

Sequence I: Marty attempts to get his parents together, but Lorraine’s infatuated with him instead of George. Doc helps formulate a plan: Marty must get his parents to kiss and fall in love at the Enchantment Under the Sea Dance.

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Sequence II: In an attempt to protect his mother from Biff, Marty strengthens Lorraine’s infatuation for him and pushes George further from the goal. When George refuses to ask her out, Marty is forced to improvise.

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Sequence III: Marty’s Darth Vader stunts works: George attempts to ask Lorraine out, but is interrupted by Biff. Marty defends George and decks Biff. Biff and his goons chase Marty around the town square, but he ultimately wrecks his car in an attempt to take out Marty.

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Sequence IV: After Doc demonstrates his plan to send Marty back, they are interrupted by Lorraine, who asks Marty to the dance. Later, Marty meets with George, revealing that he’ll purposely put Lorraine in danger at the dance to set up George as her hero.

74 – ASSUMPTION OF POWER & YOU CAN ACCOMPLISH ANYTHING SETUP 2: Marty comes up with a plan: He’ll create a dangerous situation where George can rescue Lorraine from him.

GEORGE Why is she gonna get angry with you? MARTY (it’s hard for him to say) Well...because...well...nice girls get angry at guys who...who try to take advantage of ’em. GEORGE You mean you’re gonna...like...touch her on her--- MARTY No. George, it’s just an act. So, 9 o’clock you’re strolling through the parking lot and you see us... (gulps) ...struggling in the car. You walk up, you open the door and you say...? George doesn’t say anything. MARTY Your line, George. GEORGE Oh. Uh...”Hey, you! Get your damn hands off her.” (pause) You really think I outta swear? MARTY Yes, definitely, goddammit George, swear. Ok, so now you come up, you punch me in the stomach, I’m out for the count, and you and Lorraine live happily ever after. GEORGE You make it sound so easy. I wish I wasn’t so scared. MARTY There’s nothing to be scared of. All it takes is a little self-confidence. You know, if you put your mind to it, you can accomplish anything.

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Sequence V: Marty writes a letter to Doc detailing the event that takes his life. At the dance, Marty is unable to execute his plan with Lorraine, and Biff, not George, interrupts. Biff’s goons lock Marty in the trunk of the dance band’s car while Biff has his way with Lorraine.

78 – LORRAINE THE HYPOCRITE PAYOFF: Marty pulls up the parking lot with Lorraine. He quickly discovers she’s not a prude, and that she drinks and smokes.

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Sequence VI: George finally stands up to Biff and saves Lorraine, but to secure Marty’s existence, George and Lorraine must still kiss on the dance floor. When the band’s guitar player hurts his hand, Marty agrees to play as his substitute.

83 – Noticing the commotion inside, George locates Doc’s car in the school parking lot. He rushes over and opens the door to find Biff and Lorraine. Lorraine pleads with George to help her.

84 – George overcomes Biff and knocks him out.

EXT. PACKARD Biff twists George’s arm harder. LORRAINE Stop it, Biff. You’ll break his arm! She tries to pull him away. He pushes her down. Biff laughs. Now Marty arrives just in time to witness... George’s expression immediately goes from pain to rage---intense rage... and George lets go with a TREMENDOUS LEFT HOOK, SMACK INTO BIFF’S FACE! Biff hits the ground, out cold!

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Sequence VII: Marty plays in the band to assist George’s final challenge, which he overcomes. George kisses Lorraine on the dance floor and secures Marty’s existence.

84 – END OF ACT TWO TURN: Marty observes from the distance. He can’t help but smile until he pulls out the photo and discovers Dave has completely disappeared and half of Linda is gone, too.

Stopping Biff was only part of the solution. George and Lorraine must kiss on the dance floor to fall in love and secure Marty’s existence.

85 – Marty pleads with the band to finish the dance…

MARTY Hey, guys, you’ve gotta get back in there and finish the dance! DRUMMER Look at Marvin’s hand. He can’t play with it like that and we can’t play without him. MARTY But you’ve gotta play! You see, that’s where they kiss for the first time---on the dance floor. And if there’s no music, they can’t dance. And if they can’t dance, they can’t kiss. And if they can’t kiss, they can’t fall in love and I’m history. MARVIN Hey, man, the dance is over...unless you know somebody else who can play the guitar.

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Sequence IX: Marty plays in the band to setup George’s final challenge, which he overcomes, making Lorraine fall in love with him and securing Marty’s existence. With Marty’s job complete, he’s asked to play with the band, and though neither the crowd or band reacts favorably with his performance, he inadvertently creates rock ‘n’ roll.

85 – DECISION & DANCE BAND PAYOFF: Marty plays guitar with the band. They perform “Earth Angel.”

88 – Marvin asks Marty to perform one more song: “something that really cooks!” With a little encouragement from the crowd, Marty agrees.

88 – Marty steps up to the mic and tears into “Johnny B Goode.”

89 – JOHNNY B GOODE PAYOFF: From backstage, Marvin Berry makes a call…

INT. BACK STAGE – PUBLIC TELEPHONE MARVIN BERRY is on the phone. MARVIN (into phone) Chuck? This Marvin! (pause) Your cousin: Marvin Berry! You know that new sound you lookin’ for? Well, listen to this! He holds the phone toward the music.

90 – Marty throws himself into the music. Mixing Townsend, Van Halen, Hendrix, he gets crazy, not realizing the band has stopped and the entire crowd is staring at him.

Marty suddenly realizes he’s gone too far. He smiles sheepishly and steps up to the microphone. MARTY I guess you guys aren’t ready for that yet. But your kids are gonna love it.

ACT III

Sequence I: In the midst of arguing about the letter, a branch snaps and disconnects the cable from the clock tower. Doc works the cable issue and Marty gets into the DeLorean, as there isn’t a minute to spare.

96 – Doc climbs up the clock tower and drops a rope. Marty connects the wire to the rope and Doc pulls up the wire. Marty attempts to tell Doc about the Libyans one last time, but the clock tower strikes 10 o’ clock. Marty must make a run for it: He’s got less than four minutes.

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Sequence II: Marty sets the time circuits back ten minutes to give himself enough time to warn the future Doc about the Libyans. Doc reconnects the cable at the last possible second and Marty is transported back to 1985.

98 – POINT OF NO RETURN: Marty pulls to the starting point. Frustrated with the fact he couldn’t tell Doc, he realizes he has a time machine. He programs the time circuits to go back 10 minutes early.

100 – Doc encounters another problem when the wire gets stuck on the branch, not providing enough slack for the connection. He pulls hard and disconnects the wire from the lamppost.

101 – The DeLorean races toward the town square…

101 – Doc creates a zip line, sliding down the cable…

INT. MOVING DELOREAN THE SPEEDOMETER passes 85! The INDICATOR LIGHTS behind MARTY begin registering. EXT. STREET BROWN grabs the socket cable and PLUGS HIS CABLE IN! INT. DELOREAN THE SPEEDOMETER HITS 88! EXT. CLOCK TOWER SERIES OF CUTS The connecting cable becomes electrified. The DeLorean passes under the cable between the lampposts. The trolley hook on the DeLorean MAKES CONTACT with the electrified cable! The Flux Capacitor GLOWS and DISCHARGES! EXT. STREET The DeLorean’s time coils light up and the vehicle is sent BACK TO THE FUTURE!

101 – CLIMAX A: Marty is sent back to 1985!

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Sequence III: Back in 1985, the DeLorean breaks down and prevents Marty from warning Doc in time. Marty arrives at the mall in time to witness Doc be gunned down, but Doc surprises Marty, revealing a bullet proof vest and Marty’s letter from 1955.

106 – CLIMAX B: Doc reveals a bullet-proof vest and Marty’s letter from 1955.

MARTY But how did you know? Brown smiles, reaches into his pocket and pulls out the LETTER THAT MARTY WROTE---SCOTCH TAPED TOGETHER! It’s yellow and brittle: 30 years old! MARTY (smiles, shaking his head) What about all that talk about screwing up future events and the space-time continuum. BROWN (shrugs) Well, I figured, what the hell.

106 – Doc drops Marty off at his house. Doc’s going into the future about 30 years.

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EPILOGUE

Sequence I: Marty wakes up at his home in 1985 and discovers he has altered his family’s destiny for the better.

110 – STAND TALL, BOY & DON’T CON ME PAYOFF: George calms everyone down: The car is fine. He opens the front door and reveals Biff outside waxing it.

EXT. MCFLY HOUSE BIFF is in the driveway, waxing a new BMW. Biff is working diligently; his rough edges and arrogance are all gone. GEORGE Uh, now Biff, I wanna make sure we get two coats of wax this time, not just one. BIFF I’m just finishing up the second coat now. GEORGE Now, BIff, don’t con me! BIFF Uh, I’m sorry, Mr. McFly, I meant I was just starting on the second coat.

110 – YOU CAN ACCOMPLISH ANYTHING PAYOFF: Biff comes into the house with a box full of George’s new book.

INSERT – BOOK It’s called “A MATCH MADE IN SPACE,” and the cover shows a bedroom with a space alien talking to a couple in bed---very reminiscent of Marty’s “Darth Vader” visitation to George. The style indicates it’s a science fiction romance novel. The author’s name, GEORGE MCFLY, is in big letters. BACK TO SHOT George hands Marty a copy of the book. GEORGE Like I’ve always told you: you put your mind to it, you can accomplish anything.

INT. DELOREAN Jennifer sits on his lap. She closes the door. MARTY Hey, Doc, we better back up. We don’t have enough road to get up to 88. BROWN Roads? Where we’re going, we don’t need roads. Brown hits a new switch on the dashboard. EXT. STREET The DeLorean speeds down the street, the BLASTS OFF INTO THE SKY LIKE A STREAK! Once again, the coils glow and the DeLorean is enveloped in the familiar white glow and disappears into the future.

112 – THE END.