A teenager from 1985 travels to 1955 and gets in the way of his parents falling in love, threatening to erase his very existence.

This week, we geek out for one of our favorite movies ever, discussing semiprime numbers, cars that look like they were built in Minecraft, and what Marty and Doc have in common with Woody and Buzz. Great Scott! We're about to find out if Back to the Future stands the Test of Time.