MCFLY

Based McFlyPoster

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>Marty pushes his dad from getting hit by the car
>alters timeline, extinguishing the eventual joining of his parents
>somehow Marty does not instantly disappear from existence

What's widda life prozoyvuh

>marty time travels to 2015
>sees himself there. old

uh he skipped the last 30 years remember how did he age?

>>82913967

its not instant man
it takes time to erase

I'll take a Pepsi free.

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>>82913967

>Marty and Jennifer go into the future to save their future kids from ruining their lives
>somehow removing themselves from the course of time does not eliminate the supposed future they travel to

>>82913967
Causality isn't a sure thing
Marty disappeared at the dance because that was the point at which it became very possible that his parents wouldn't kiss and he would never be born, up until that point everything is up in the air
Don't mention how his siblings start disappearing from the picture as soon as he gets back and shows the photo to Doc

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>Old Biff travels from 2015 to 1955 to give the sports almanac to his young self
>Somehow the world doesn't immediately change around them when he comes back

>>82915347
>Doc establishes that there are separate timelines, which is how they ended up in bad 1985 and why they stayed in 2015 when Biff stole the Delorean
>When they leave Jennifer on the porch in 1985, she somehow gets transported to the good 1985 when Marty fixes the past
?
The bigger question, though, is how did Biff get back to the good 2015 when he went forward from the past in which he gave himself the Almanac, and thus should have ended up in the future that existed 30 years after the bad 1985