It's the question that has stumped philosophers and scientists for years: How do George and Lorraine McFly not realize that their son is the same Marty from 1955?

In this essay—I mean episode—I look at several key points that show how it's impossible for them not to realize that their son is the same Calvin Klein/Marty from the past. 

We look at some of the obvious points (THEY NAMED THEIR SON MARTY!) but also issues involving George's book, clothing, first loves, and a specific moment that includes the entire town. I also discuss the fan theory of why Biff is still working for the McFly family 30 years later. 

Show Notes: Back to the Future Plot Hole 

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