Question: Given how dumb Biff is, how in the alternate 1985 when confronted by Marty did he remember his old self in 1955 warning him about Marty and Doc. Especially considering when he got the warning, he seemed to be paying very little attention and just walking off.
Gavin Jackson
10th Jun 2015
Back to the Future Part II (1989)
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Chosen answer: After young Biff won bet after bet after bet, he realized that the old Biff was obviously the real deal. As such, he undoubtedly racked his brain in an attempt to recall every detail he could about his encounter with his older self.
Phixius ★