Corrected entry: Doc and Marty could not know where the 2015 Marty lives and go there to get 1985 Jenifer.
jshy7979
3rd Nov 2014
Back to the Future Part II (1989)
Correction: He'd been there once before taking Marty to the future. When hearing about Marty McFly. Jr, he could have done a background search on him, including age, phone number, and address.
Correction: Marty tells Doc twice to look him up when he gets to the future. Marty would have purposely left himself very locatable in the White Pages or whatever public directory was available in 2015, so he could reunite with Doc. Off camera, Doc goes to the future, finds Marty quite easily, and instantly comes back to 1985 to fetch Marty. 1985 Marty does not know where 2015 Marty lives, but Doc does.
12th Feb 2010
Back to the Future Part II (1989)
Corrected entry: When Marty goes to the new 1985 and goes into the house he thinks is his, a Dirty Dancing poster can be seen on the girl's bedroom wall. Dirty Dancing was not released until 1987.
Correction: Just watched this scene looking for the Dirty Dancing poster. I see about 4 different Michael Jackson posters, but no Dirty Dancing poster.
Correction: This is a very altered version of 1985, so it doesn't have to conform to the original timestream. For instance, Biff may now be responsible for providing the funding that gets the movie made earlier.
Correction: Doc's clearly done a lot of research into Marty's family, knowing what happens to them, who his kids are, etc. Knowing where he lives would be part of that.