Back to the Future(1985) is the first film in a trilogy of time travel movies that branched out into an animated TV series, theme rides and video games.

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Why was there smoke/opaque gas in Doc's Van?

This question is inspired from this question earlier today. In Back to the Future, we see the DeLorean famously exiting the van (see below), but there's a lot of smoke, or at least a whitish gas of ...
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How did Doc get into the DeLorean?

(First of all - kudos to WadCheber for inspiring this question) When the DeLorean is first revealed, we see it exiting from Doc's Truck: ...
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Was George peeping on Loraine?

I've included the video for the respective (well, it's not very respectful :P) scene below: ...
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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 ...
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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 ...
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1answer
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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 ...
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1answer
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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 ...
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What's behind the Enterprise's flux capacitor?

Whoa. In "Hollow Pursuits" we have this dialog (emphasis mine): [Troi's office] BARCLAY: I just didn't know what to say. TROI: What do you wish you had said? BARCLAY: I should ...
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Where did Doc get his money collection from?

In Back to the Future II, Doc pulls out a money suitcase (see image below) in 1955 for Marty to use a time-appropriate currency. Simple question: where did Doc get all that money from in the first ...
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Why didn't Doc remember Marty's outfit?

In "Back to The Future 3" Doc (from 1955) sees Marty wearing a cowboy outfit. But then, Doc (from 1885) doesn't remember that it was him who offered this outfit to Marty. Does this mean there are ...
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1answer
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Is the weather controlled in Back to the Future II?

In Back to the Future II, it starts out as pouring with rain when they arrive in 2015. When they land, Doc goes to get out but Marty protests, saying it's raining too much. Doc then looks at his ...
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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 ...
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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 ...
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In Back to the Future Part II, why is old Biff in a lot of pain?

In Back to the Future Part II, there is a scene where old Biff exits the DeLorean. Here he seems to be in a lot of discomfort. He breaks his cane too. He just made himself a rich man, shouldn't he ...
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1answer
434 views

Would 1885 Western Union really agree to hold a letter for 70 years? [closed]

In the Back to the Future trilogy, part of the plot hinges on Doc Brown convincing Western Union in 1885 to hold a letter for 70 years and then deliver it to Marty. Is there any evidence in real life ...
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5answers
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Was the locomotive hijacking in Back to the Future III really needed?

So we see Marty eventually travel back to 1885 using the Delorean that Doc hid in the mine, and we also see it being hit in the fuel tank by an arrow, hence crippling its ability to get itself up to ...
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2answers
586 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 ...
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3answers
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What is the science-fiction tradition of flying cars having their wheels turned sideways?

The DeLorean in Back to the Future turns its wheels sideways when it is about to fly. Also, there are many children's toys that feature similar concepts, such as this Lego kit, which features two such ...
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How did Doc Brown's last time-travel machine power its flux capacitor?

At the end of Back to the Future III... But where did this time machine get the requisite 1.21 Gigawatts of electricity, if the Mr. Fusion was attached to the DeLorean and the Doc had to work with ...
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How is the DeLorean powered in the final trip back in time in Back to the Future III?

When Marty is attempting to time travel to 1885 with the help of the 1955 Doc and the uncovered time machine from the mine. What then is used to generate the 1.21 gigawatts of electricity for the flux ...
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Can Time Travel (back to the future style) ever be possible without creating a paradox? [closed]

On each occasion that Marty and the Doc (and Biff) travel back in time they end up creating a brand new timeline. Marty makes some effort to repair it in BTTF1 but there are still notable differences. ...
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1answer
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How is Doc still alive if he was shot back in 1885?

In Back to the Future: Part III, we see the grave of Doc. If Doc. Emmet L. Brown is dead and has a grave, then how come he is still alive and kicking in 1885? If he is alive because Marty went back ...
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Why does the number “99” appear (backwards, spelled in airborn fire) in Back To The Future part 2?

It seems to be a commonly accepted theory that the car skidded before going back to 1855. However, the car didn't really seem to skid, so much as explode. It certainly didn't appear to move in such a ...
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1answer
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How long was the Back to the Future trilogy from Marty's point of view?

The title pretty much says it all. From the start of Back to the Future, how much time passed for Marty by the end of Back to the Future III?
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Why were all of Doc Brown's clocks slow?

At the start of Back to the Future there is an exchange between Doc Brown (on the phone) and Marty, who is in Doc's lab, during which all of Doctor Brown's clocks start to chime. Doc Brown explains ...
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Does the DeLorean contain a spacial history device?

When the DeLorean in BTTF travels through time, it instantaneously jumps from one time to another in the same 3 dimensional position. Does the DeLorean contain a spacial history device to determine ...
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Why was Marty the last child to fade out?

As we know, Marty McFly (BTTF) is the 3rd child in the McFly family in 1985. In BTTF (1) we see in the picture of all three children that they progressively fade out. I understand why this is the ...
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Is the BTTF Series of games considered canon?

After playing the five episodes in Back to the Future: the game, I was wondering if these are considered to be canon, as they appear to be after the events of the movie trilogy (as Marty knows about ...
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How did the Doc land the Delorean in 1885?

In Back to the Future 3 Marty reads the letter from the Doc of 1985 (who is trapped in 1885) to the Doc of 1955. The letter states that: The lightning strike blew out the flight circuits. Which ...
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8answers
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Can the Delorean meet its speed requirement without moving?

Everyone knows that to time travel, the Delorean had to "hit 88 MPH". Watching the movie right now though, got me wondering... When Doc first demonstrates the time machine to Marty, he holds the ...
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Why don't Marty and Doc Brown use petrol from the Delorean in the mine in BTTF3?

In the third movie Marty finds the Delorean in the mine and travels from 1955 back to 1885 to rescue Doc Brown. However once they establish that petrol hasn't been invented and won't be for a long ...
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4answers
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What is the basis for Doc Brown and Marty McFly's friendship?

On the face of it, Doc Emmett Brown and Marty McFly seem to have very little in common. Marty is active in after school activities, has a beautiful girlfriend and his family, friends and educators ...
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Why does the DeLorean not move at first?

The first time we see the DeLorean, but before the first time trip, the doctor remotely drives the car to the edge of the parking lot. After flipping some switches, the rear wheels start to spin, but ...
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Is there any significance to the date November 5, 1955 in Back to the Future?

Is there any significance to the date November 5, 1955 that was choosen in Back to the Future? Is it one of the directors birthday or something like that or were there specific real life events that ...
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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 ...
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1answer
556 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 ...
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Is Marty McFly Traveling to Parallel Universes?

Marty has always been inexplicably protected from the changes in the timeline. Thus he operates with a memory of the original timeline in which the "time machine" was never invented (or never used). ...
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8answers
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How did Clara dedicate Emmett's tombstone in Back to the Future 3?

In Back to the Future 3, Doc Brown is only able to save Clara Clayton because of Marty's presence (as they had to scout that area for the plan). Though if Marty had not traveled back in time, Doc ...
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3answers
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The DeLorean in Back To The Future

I have noticed some things that I can't understand in the Back To The Future films about the DeLorean. In part I, when Einstein is sent 1 minute into the future the DeLorean comes back completely ...
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Why was the tender still attached?

Apart from the opportunity for Clara Clayton to have an exciting traversal of the distance between the back of the fuel tender and the engine (Golly!) in Back to the Future III: Was there any reason ...
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1answer
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Why did Doc Brown choose the Delorean DMC-12 as his first time traveling vehicle?

According to wikipedia, the movie makers decided The specific choice of vehicle was a DeLorean DMC-12 for the purposes of it looking like an alien spaceship due to its characteristic gullwing ...
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How old is Emmett Brown in 1985?

In Back to the Future Doctor Emmett Brown is seen in 1955 and 1985 as appearing roughly the same age. While there are people that age very gracefully like this (William Shatner for example), this ...
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3answers
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How did Chuck Berry come up with Johnny B. Goode in the original timeline?

In Back To The Future II, we learn that traveling forward in time, after having altered the past, lands the traveler into an alternate present or future compared to the one they originally left. ...
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Back To The Future: Time Travel Paradox

In Back to the Future, to get Marty back to 1985, it looks to me like the Doc connects a cable to the pole with the weather vane on top of the clock tower and fastens the other end to a light pole on ...
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2answers
489 views

Does Huey Lewis & the News exist in the Back to the Future universe?

In the first movie, Marty performs a version of Power of Love before he is told (by Huey Lewis in a cameo, no less) that he is simply "too loud." Was Marty just performing a cover, or did he write the ...
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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 ...
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1answer
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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 ...
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How is a hoverboard powered in Back to The Future?

How is a hoverboard powered? Where is the fuel? How does it detect the kicking action to accelerate at start?
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1answer
1k 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 ...
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Is Back to the Future flux capacitor a capacitor in the first place?

English is not my native language and I only watched the dubbed version of Back to the Future and there the "flux capacitor" was translated to mean something like "flux storage" - literally a unit ...