Stack Exchange Network

Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [back-to-the-future]

Back to the Future is the first film (1985) in a trilogy of time travel movies that branched out into an animated TV series, theme rides and video games. This tag can also be used to refer to the Back to the Future franchise as a whole.

6
votes
2answers
1k views

In the Back to the Future trilogy, does Doc ever piece together the letter about the terrorists?

In the Back to the Future trilogy, Marty writes a letter to Doc to warn him about his impending demise. We learn at the end of the first film that: Nevertheless, at the end of the second film and at ...
6
votes
1answer
4k views

Why does Marty McFly Jr look exactly like his father?

In Back to the future part two Marty travels to the year 2015 and takes the place of his son after he's thrown over a counter by Griff. Marty looks so much like his kid that he's mistaken for him by ...
6
votes
1answer
2k views

What is the Doc's middle name?

As you can see in the image of the time train below, there are three letters: "ELB". Now, it stands to reason that these are probably Doc Brown's initials i.e. Emmett Brown. This indicates, though, ...
6
votes
2answers
1k views

Did Marty2 travel Back to the Future into a giant plot hole? [duplicate]

Please help me to figure this out. Born into a dysfunctional family, Marty1 alters his parents 1955 timeline. In this new, functional family timeline, Marty2 is born and raised until he disappears in ...
6
votes
3answers
4k views

Did Marty-2 go to the Lone Pine Mall, or was is still Twin Pines Mall for him?

In Back to the Future when Marty first goes to the mall to meet up with Doc he walks past the mall sign which reads Twin Pines Mall. At the end of the movie when he returns to the mall to save Doc and ...
6
votes
1answer
709 views

Why didn't Doc prevent Marty's accident in 1985

In the begining of Back to the Future Part II, when Doc arrives in 1985 to get Marty and Jennifer back to 2015, he apparently knows about the car accident that ruined Marty's life in the future. This ...
6
votes
1answer
979 views

Where did Marty hit his head?

I watched Back to the Future last night, for the first time in years, and I noticed something that I had never taken note of before. The nature of Marty's injury from being hit by a car is ...
6
votes
0answers
223 views

Back to the Future : DeLorean Iced after Time Travel [duplicate]

In the first part, there is a scene when Doc shows Marty the demonstration of time travel. Afterwards,when Einstein returned, the DeLorean is covered in ice. What is the reason for this? If that ...
5
votes
2answers
974 views

Wouldn't giving the Grays' Sports Almanac to Biff change the outcome of the games after 1955?

In Back to the Future - Part II, Biff brings a copy of Gray's Sports Almanac back to his earlier self in 1955. Old Biff: [about the copy of "Grey's Sports Almanac" from the future] The information ...
5
votes
3answers
718 views

Why did the Doc decide to use a train?

In Back to the Future III, Marty gets back to 1985 by putting the DeLorean in front of a train, then using special fuel to increase the speed of the train. If this failed, the DeLorean - with Marty ...
5
votes
2answers
2k views

Was George peeping on Loraine?

I've included the video for the respective (well, it's not very respectful :P) scene below: We see George is a peeping tom as Marty so astutely points out, but my ...
5
votes
2answers
393 views

How did Marty hit the wire in the first movie?

In the end of the first movie we see that Marty could not start the engine of the DeLorean when the alarm clock rang. Doc had calculated the time required by the car to reach the lightning wire ...
5
votes
2answers
666 views

What is on Doc Browns video tape at the end of Back to the Future?

At the start of Back to the Future, Marty uses Doc's video camera to record Doc saying among other things, that the experiment is at the "Twin Pines Mall" Shortly after this Marty throws the camera ...
5
votes
1answer
666 views

Was “Back To the Future” the breakthrough of mainstream Time-Travelling science fiction in Hollywood?

Recently, a remake of this movie was made in the language of Hindi and the TV reports (in Hindi) said what can be translated in English as: "Back to the future was the movie to introduce/define/re-...
5
votes
1answer
1k views

Why did the Doc refuse to let Marty tell him about the night Marty went back to 1955?

On more than one occasion in Back to the Future, Marty tries to warn 1955-Doc that he will be shot on the night he tests the DeLorean. The first time, he tells Marty to shut up and says something ...
5
votes
3answers
3k views

What is the benefit of a hover-car over a standard ground-car?

I was thinking about Back to the Future 2 the other day and thought ‘What is the actual advantage of having a hover-car?’ It could remove the need for roads, which would allow easier access to ...
5
votes
3answers
984 views

Why didn't Marty's erasure continue?

At the end of Back to the Future, Marty goes back to the future. He then finds This is almost completely different from the timeline he left. Earlier in the film, he's trying to get his parents ...
5
votes
2answers
424 views

Did Doc Brown replace the stolen plutonium?

The second voice we hear in "Back To The Future" (after a radio commercial for Toyota cars) is a TV newsreader describing an alleged theft of some plutonium which was now believed to be a simple ...
5
votes
2answers
444 views

Why didn't Doc Brown want to bring Clara to the future?

So in the third movie he falls in love with her. He does not want to leave her neither take her with them. He is saying the usually "we shall not change the timeline" stuff. But in fact they already ...
5
votes
1answer
734 views

Why were the makers of BTTF going to use a fridge as a time machine?

So, as every good Back to the Future fan knows, the DeLorean wasn't in the original plan for Back to the Future. The time machine was going to be a fridge (Great Scott - I'm glad they changed their ...
5
votes
1answer
1k views

Why does Doc Brown have an enormous amplifier in his house?

Back to the Future begins with Marty going to Doc Brown's house, turning on an absurdly large amplifier, turning it up (to eleven?) plugging in his guitar, playing a single chord, and blowing himself ...
5
votes
1answer
495 views

Was Doc Brown ever blamed for the clock tower?

Towards the end of BTTF, we see Doc Brown be approached by a police officer. Doc explains that he's doing a weather experiment as he's wiring up the two light posts. Later that night the clock tower ...
4
votes
2answers
1k views

How did the band get Marty out of the trunk of the car?

In the first Back to the Future film, Biff's cronies lock Marty in the boot of the band's car. They can't unlock the door, because Marty shouts "The keys are in the trunk!" Guitarist: "Say ...
4
votes
2answers
2k views

Does Doc Notice His Past/Future Self?

In Back To The Future Part 2, when Doc Brown is riding a bike and ends up coming upon himself (in the past) working on his "weather experiment" to get the old Marty back to 1985, is there any proof ...
4
votes
3answers
721 views

Why did the old Biff choose to travel into 1955?

In Back to the Future Part II, it was mentioned that Biff turned 18 in 1958. That's when he placed a bet on races and won his first million. So why did the old Biff give the younger himself the ...
4
votes
1answer
239 views

What happened to the other characters in the 1985 “Biff-timeline”?

In Back to the Future 2, Jennifer is left on a swing at her house and reality changes around her. But what happens to all the other main characters, especially the McFly family? I know Lorraine is in ...
4
votes
1answer
327 views

Was Doc dead in 2015 in the original timeline?

In Back to the Future Part II, Doc tells a lot about the future of Marty's family. However, he doesn't mention what happened to himself in 2015. Was Doc supposed to be dead in 2015 (if he had never ...
4
votes
3answers
241 views

BTTF Time Traveling Mind Effects

When Marty is about to travel back to 1985 in BTTF 1, he emphasizes that Doc read his letter (about Doc getting shot by Libyan Terrorists during Delorean Test, 1985). However, in BTTF 3, when Marty is ...
4
votes
2answers
1k views

What happened to Marty-A and Doc-A?

So, in Back to the Future Part II, Biff steals the time machine in 2015 and gives his 1955 self future knowledge, causing the timeline to change and create 1985-A, in which Marty has been shipped off ...
4
votes
1answer
242 views

Can the time machine go to years with more than 4 digits?

Could Doc Brown travel to see the dinosaurs if he wanted to?
4
votes
1answer
1k views

Why did Biff come back to the same timeline in the future? [duplicate]

When old Biff takes the DeLorean and goes back to the future, he comes back exactly to the same time and place he left, but according to Dr. Brown's explanation on the blackboard, he should have gone ...
4
votes
1answer
419 views

Why did Doc appear near Marty's house on the time machine at the end of BTTF 1?

At the end of Back to the Future (part I) Doc appears on the time machine right near the Marty's house and tells Marty to go with him rescue his kids. They also took Jennifer with them. However when ...
4
votes
1answer
250 views

Why was Eric Stoltz substituted by Michael J Fox?

I read in many places that Eric Stoltz was substituted by Michael J Fox in the film Back to the future. And the main reason is that Eric wasn't bringing the screwball energy the film needed. Is this ...
4
votes
1answer
481 views

Back to The Future style Time Updates in Doctor Who

Is "The Angels Take Manhattan" the first time in Doctor Who we see time changing in the present because of an action in the past? The best comparison I can think of is at the end of Back to the ...
4
votes
0answers
88 views

Wasn't the Gray's Sports Almanac supposed to be thicker? [duplicate]

If there was really such a book that contained all sports results (football, baseball, races etc.) within 50 years, wouldn't it be a little bit thicker than just a magazine size? Maybe something like ...
3
votes
2answers
1k views

Was Doc Brown about to break his own rules?

Richard's comment on this question made me realize that Doc Brown seems to be a bit hypocritical. Allow me to explain. The whole reason Marty ends up in 1955 (as opposed to any other point in time)...
3
votes
2answers
251 views

Why did Marty ask Doc if they had made it in BTTF2 after returning to 1985 from 2015?

In Back to the Future Part II, when Marty and Doc return from 2015 to 1985, Marty asks Doc: Did we make it? Are we back? Why did he ask that? Did he have doubts that the time machine was working? ...
3
votes
1answer
298 views

In Back to the Future Part II, how does Doc avoid creating a paradox?

In Back to the Future: Part II, Doc Brown discovers that the McFly family is destroyed in the future, and it can all be traced back to Marty, Jr. agreeing to some proposition by Griff and his gang. So,...
3
votes
2answers
293 views

What is Doc Brown's position on altering time throughout the Back to the Future Films?

Doc Brown seems pretty concerned about keeping things consistent at least when it comes knowing about his own future or making sure Marty's parents meet and marry. However, he never seems to either ...
3
votes
2answers
167 views

Do we know if any other foods can be hydrated?

In Back to the Future II, we see Grandma Lorraine rehydrate a pizza - very well too I might add. The tool used for this is a hydrator. Looking at the linked article for a hydrator on Futurepedia, ...
3
votes
1answer
192 views

How did the Terrorists find out when and where Doc would be?

In an early scene of Back to the Future, Doc is It's feasible that the terrorists would be able to find out that Doc lived in Hill Valley. However, it seems mighty unlikely that they could figure ...
3
votes
1answer
343 views

Who was the bum?

When Marty McFly returns from 1955 in the first Back to the Future film, a man sleeping on a park bench witnesses his return. Is this man someone I should've recognised, from before the timeline was ...
3
votes
1answer
2k views

How did the DeLorean travel to 1885? [duplicate]

At the end of Back to the Future II, a lightning bolt hits the DeLorean which sends it back to 1885. At the time though, the DeLorean wasn't moving; it was relatively stationary hovering in the storm....
3
votes
1answer
1k views

If Back to the Future uses different timelines, why did Marty begin to fade?

I think it's well established that for the basic premise in the Back to the Future Trilogy to work, we have a system of alternate timelines. If this is the case though, then why would Marty in Back ...
2
votes
3answers
757 views

Back To The Future: moving in time but not in space?

Every time the DeLorean travels in time, it appears in the same place as the place it left. But that's the same place relative to the Earth's surface. In space-time terms, that point is constantly ...
2
votes
1answer
1k views

Does Hill-Valley, CA exist?

Okay, I know the city itself is fictitious. However, related to the accepted answer to Where is Hill Valley?, does this map, used in BTTF3, correspond to a real location? Note that the linked ...
2
votes
1answer
241 views

How could Marty not see Biff stealing the DeLorean?

In Back to the Future Part II, when the old Biff steals the DeLorean in 2015, Marty is just a few yards away. He might not have seen it because he was looking at his future house, but he must have ...
2
votes
1answer
2k views

Do any other dates in Back to the Future have any significance out of universe other than November 5?

In this related question we see that there could be an out of universe significance to the date November 5. But what about the other dates? I've listed them below. Is there any evidence indicating ...
2
votes
1answer
2k views

How does the flux capacitor work? [duplicate]

Possible Duplicate: Is Back to the Future flux capacitor a capacitor in the first place? I'm not aware of any official explanation as to how the flux capacitor works, why it requires 1.21 ...
2
votes
0answers
349 views

Back To The Future: Why should Marty fade at all?

Other threads have posed the existence of "meta-time" at right-angles to ordinary time, allowing for a single universe in which time can be changed, but resolving the paradoxes. On that basis, however,...