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Old 11-07-2010, 02:35 PM
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Join Date: Aug 2000
Location: Oregon
Posts: 11,440

Back to the Future II plot hole?

OK, one more Back to the Future thread. This one's about the second movie.

In the alternate 1985 Doc Brown explains that since old Biff went back and gave the sports almanac to young Biff, it created a separate time line and that they couldn't go back to the future to fix things, because they'd still be in the new time-line.

So, how did old Biff get back to the original future? Shouldn't he have gone to the alternate future?