" Nope, already been there."

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THX1701 — 10 years ago(October 21, 2015 02:19 PM)

Men can father children at any age, Wombstar. You will learn about this when you take sex ed in school.
I don't know how he made a new time machine. The Doc is a genius so he figured out a way.

Use the Force.

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thisnameinuse — 9 years ago(October 10, 2016 12:27 AM)

I always figured that somehow, he was able to get a jump-start on the electronics by using the hoverboard which he was able to have with him after Marty slipped it to him and returned to 1985.
He'd have also had to leave Hill Valley on account of avoiding the risk of being arrested and jailed for the train heist, so I'd guess he headed east to escape, and had a much easier time with industrial processes than out in the West.
You're makin' me beat up
GRASS!

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glangendoen — 10 years ago(October 28, 2015 06:20 PM)

He could go to somewhere before 1885, like the time of the Romans or Egyptians.

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stefan-79-235442 — 10 years ago(October 29, 2015 10:22 AM)

It was just a frase to say Back to the future once more

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stevenackerman69 — 9 years ago(August 10, 2016 02:54 AM)

I think the line is a joke. See, earlier and throughout the film, they are mentioning they are going "Back to the Future" so this time Doc says the opposite.

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Circle_of_the_Moon2101 — 9 years ago(August 11, 2016 09:20 AM)

I'm quite certain that it means that Doc invented a time machine just powerful enough to travel to the 21st century (or later) and then have the primitive locomotive time machine upgraded to a much more high-tech one.

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ksizzle836 — 9 years ago(September 05, 2016 09:44 PM)

I always thought that Doc, Clara, and the kids just went back to there 1885 lives. "Already been there", I believe was the lead in line to the train flying. Suggesting that Doc had already been to the future to get the hover conversion done.

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THX1701 — 9 years ago(December 09, 2016 06:15 PM)

@thisnameinuse: There was no evidence that ties Doc Brown to the train robbery in 1885 because he wore a mask. However I am sure he could not stay in 1985 because the FBI would be investigating him about the missing plutonium and his association with terrorists.

Trust doesn't rust.
I am Error.

[fgadmin]

Circle_of_the_Moon2101 — 9 years ago(December 21, 2016 07:39 AM)

Isn't that the beauty of having one's own time machine?

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THX1701 — 9 years ago(January 03, 2017 06:13 PM)

Good point. He can never caught as long as he goes to any point in time where no one knows him.

Trust doesn't rust.
I am Error.