Lorraine: Marty? What's wrong? We thought you went to the lake.
Linda: You wore that to the lake?
Marty: Thank God you guys are all back to normal!
Dave: Hey Marty, who're you supposed to be, Clint Eastwood?
Dave laughs at his joke.
Marty: Right. I gotta go get Jennifer.
Marty gets into his truck.
Biff: I really like that hat, Marty.
Marty: Thanks, Biff.
Mart drives to Jennifer's house. JENNIFER is still in her swinger - in fact she's in the same position that she was left in in Part 2.
Marty: Jennifer. Jen. Jennifer.
She's still not stirring. Marty sits next to her and kisses her. This wakes her up and she smiles at him.
Jennifer: Marty. Marty!
Jennifer sits up and hugs Marty.
Jennifer: I had the worst nightmare.
Cut to the truck. Marty drives the truck with Jennifer inside. They stop at some traffic lights.
Jennifer: Marty, that dream I had is so real. It was about the future. It was about us...and you got fired.
Marty: (surprised) Wait a minute, what do you mean I got fired?
Marty's POV. He looks out the window and sees he's next to the Hilldale housing estate.
Marty: Hilldale. Hilldale! This is where we live (covering) ...I...I mean, this is, uh, this is where we're gonna live. Someday.
Marty smiles sheepishly to cover himself. Jennifer gives him a strange look.
Jennifer: Marty...it was a dream, wasn't it?
Marty can't reply - because another truck pulls up next to him. It's NEEDLES with his gang of three (Note: Needles' gang consists of one actor from Buford's gang, one from Biff's gang and one from Griff's gang). Needles has the radio on loudly.
Music: The Power Of Love by Huey Lewis and the News
Needles: Hey! The big "M". How's it hanging, McFly?
Marty: Hey, Needles.
Needles: Nice set of wheels. Let's see what she can do...next green light.
Marty: No thanks.
Needles: What's the matter? Chicken?
Needles' Gang: (laugh) McFly!
Marty looks at him, and Jennifer holds Marty's hand.
Jennifer: Marty...don't!
Marty pulls a lever.
Marty: Grab a hold of something.
Needles and his gang cheer - they're going to race Marty!
Needles' Gang Member: Come on!
Needles: Get on! Yeah, go!
They get more excited as time passes. They keep revving up the engine, as does Marty. The light turns green, and the trucks speed off - but only Needles goes forwards. For Marty goes backwards and spins around.
Jennifer: Argh! (pause) Did you do that on purpose?
Marty: Yeah. You think I was stupid enough to race that asshole?
Marty and Jennifer watch Needles speed ahead. A Rolls Royce pulls out of the next junction, and Needles only just avoids crashing into it. Cut back to Marty.
Marty: Jeez...I would've hit that Rolls Royce.
The words "Rolls Royce" remind Jennifer of what she heard in the future. She gets the fax she bought home from 2015 and she and Marty watch the words "You're Fired" disappear. The future has been changed!
Jennifer: (amazed) It erased!
Cut to the wreckage of the DeLorean. Marty and Jennifer walk towards it. No-one else is around.
Jennifer: You're right. There's not much left.
Marty: Doc's never coming back. I'm sure gonna miss him, Jen.
Marty sees half of a photograph. It's Doc standing by the clock in 1885. The level crossing bells start ringing and Marty and Jennifer look in both directions. There's no trains coming!
Marty: What the hell?
The three sonic booms are heard and a big train, similar to the one destroyed in 1885, appears. Marty and Jennifer are thrown backwards and land in some grass. The train has ELB written on the side and a familiar figure pokes his head out of the cab.....
Marty: Doc!
Doc: Marty!
Yes, it's Doc. He's wearing smart clothes from the 1890s, including a top hat, and has combed his hair.
Marty: (excitedly) Doc! Doc!
Doc: Marty! It runs on steam!
Doc opens the cab to reveal Clara standing next to him.
Doc: Meet the family. Clara, you know.
Clara: Hi, Marty!
Marty: Ma'am!
Doc: These are our boys!
Doc and Clara smile proudly. A young boy of about 10 appears at the doorway.
Doc: Jules!...
Jules is followed by his younger brother, who's about 7 or 8.
Doc: And Verne! (to his sons) Boys, this is Marty and Jennifer.
The boys wave, and Marty and Jennifer wave back.
Marty: Doc, I thought I'd never see you again!
Doc: You can't keep a good scientist down. After all, I had to come back for Einstein, and, well, I didn't want you to be worried about me.
Clara gives Doc a parcel.
Doc: Oh. I brought you a little souvenir.
Doc sits on the cab steps and gives Marty the parcel. Marty opens it and finds it's a framed photo of him and Doc at the 1885 clocktower.
Marty: It's great Doc. Thanks.
Jennifer: Doctor Brown?
Jennifer takes out the erased fax from her pocket and gives it to Doc.
Jennifer: I brought this note back from the future and...now it's erased!
Doc: Of course it's erased!
Jennifer: But what does that mean?
Doc: It means that your future hasn't been written yet. No one's has. Your future is whatever you make it. So make it a good one. Both of ya!
Marty: We will, Doc!
Doc: Stand back!