Cut back to Marty.
Marty: He's an asshole! I don't care what Tannen says! And I don't care what anybody else says either.
Doc suddenly wakes up.
Doc: Whoa!
Marty: Doc, Doc, you OK?
Doc: I think so. Whoa, what a headache!
Marty turns to Chester
Marty: Listen, you got a back door to this place?
Chester: Yeah, it's in the back.
Marty: C'mon, Doc, let's go.
They walk to the back door.
Buford: (o.s) Are you coming out here, runt, or do I have to go in there after ya?
Marty and Doc leave through the back door and climb down some stairs in the alleyway.
Doc: The thing I really miss here is Tylenol.
But they are spotted by Buford's gang.
Gang Member 1: Hey! Freeze blacksmith!
Marty manages to jump away. Doc freezes. Cut to the train. The whistle blows as the train leaves Hill Valley. Clara is sitting alone. Behind her, the Barbed Wire Salesman and a friend are talking.
Barbed Wire Salesman: Yes sir, that poor fella last night had the biggest case of broken heart I have ever seen! And when he said that he didn't know how he could live the rest of his life knowing how much hurt he'd caused that little girl? Well, I really felt for him. I did. Right here.
Cut back to outside the saloon. Marty watches out of a window as Buford and his gang hold Doc.
Buford: Listen up, Eastwood! I intend to shoot somebody today and I'd prefer it to be you. But if you're just too damn yella, I guess it'll just have to be your blacksmith friend.
Doc: Forget about me, Marty, and save yourself!
Buford: You got one minute to decide. You hear me runt? One minute!
Marty turns, wondering what he should do. He notices a stove. Cut back to the train.
Barbed Wire Salesman: I never seen a man so broken up over a woman. What'd you say her name was? Cara? Sara?
Friend: Clara?
Barbed Wire Salesman: Clara!
Clara has been listening and turns to them.
Clara: Excuse me.
Barbed Wire Salesman: Ma'am.
Clara: But was this man tall, with great big brown puppy dog eyes and long silvery flowing hair??
Barbed Wire Salesman: You know him?
Clara: Emmett!
Clara stops the train by pulling on a string. She gets out and runs back towards Hill Valley. Cut back to outside the saloon. No sign of Marty.
Buford: Times up, runt!
He points his gun towards Doc.
Buford: Prepare to meet your maker, blacksmith.
Marty: (o.s) Right here, Tannen!
Buford turns to see Marty. Marty has his gun around his waist. They get into positions like shooting scenes in Western movies. The people inside the Saloon come out and join the crowd.
Buford: Draw!
Marty: No!
Marty throws his gun down.
Marty: (continued) I thought we could settle this like men.
Buford: You thought wrong, dude.
Buford shoots Marty and Marty falls. Is this the end? Buford thinks so and walks over to him, laughing. Doc looks at Marty in disbelief.
Buford: Ahh, thank ya!
Buford steps right in front of Marty, aiming to finish him off. Marty suddenly kicks Buford's gun out of his hand. He lifts up his tunic to reveal the stove. He's using it just like a bulletproof vest! Just like in the Clint Eastwood movie "A Fistful Of Dollars" (which Biff was watching in 1985-A). Buford tries to punch Marty but breaks his hand. Marty takes off his "vest" and hits Buford on the head with it. Buford falls, gets up again and Marty punches Buford. Buford crashes into the gravestone that should say "Here Lies Clint Eastwood" before landing headfirst into a manure cart. Everyone stares and then begins to laugh.
Seamus: That was good.
The Deputy Marshall and his officers are seen riding towards them. The Gang Members spot them.
Gang Member 1: You know what I think? I think Buford's going to jail.
Gang Member 2: You're right.
They let Doc go and run off, but Doc trips one of them up. He gets up and follows the other 2.
Deputy Marshall: Get him out of that shit. (re: gang) Get them!
Most of the officers chase after Buford's gang. The Deputy himself points his rifle at Buford's head.
Deputy Marshall: Buford Tannen, you're under arrest for robbing the Pine City Stage. You got anything to say?
Buford slowly spits some manure.
Buford: I hate manure.
Where is Marshall Strickland during all this? In a cut scene he was shot by Buford Tannen, but you could also say he was attending to other business or was attending a hanging or something like that. Meanwhile, back in Hill Valley:
Doc: (to Marty) Look!
Doc points to the broken tombstone. Marty gets the photo out just in time to see the tombstone vanish from the photo.
Marty: Yes!
Suddenly they hear the train whistle.
Doc: The train!
Marty: Can we make it?
Doc: We'll have to cut it off at Coyote Pass!
Music: A Science Experiment (The Train Part 1) by Alan Silvestri
Marty and Doc get on their horses. A BOY stops Marty.
Boy: Hey Mr, Mr Eastwood. Here's your gun, Mr.
He gives the gun to Marty.
Marty: Thanks, kid.
Marty spots Seamus by the saloon. Seamus grins at him and fakes a punch.
Marty: Seamus!
Marty throws the gun to Seamus. Seamus catches it.
Marty: Worth $12, never been used.
Seamus: Maybe I'll trade it for a new hat.