I’ve discovered that some films follow a chiasmus formula in the way their stories are set up. What is a chiasmus? It’s an ancient writing structure in which ideas are listed in one order and then repeated in the opposite order to form a complete idea.
The nursery rhyme “Hickory Dickory Dock” is a perfect example of a chiasmus. Every verse follows the same pattern:
A. Hickory dickory dock
B. The mouse ran up the clock
C. The clock struck one
B. The mouse ran down
A. Hickory dickory dock
Up ‘til now I’ve limited my focus to individual films to find their cinematic chiasmus. But I am happy to report that the entire Back to the Future Trilogy is almost perfectly symmetrical. This took some incredible planning to pull off, and I’ll discuss its implications at the end.
But now, let’s make history as we explore the chiasmus of all three Back to the Future films. Continue reading

