3. Back to the Future
We’re pretty sure that everything about time travel in this movie is completely scientifically accurate, but that’s not what we’re here to discuss. Marty McFly (Michael J. Fox) can be seen rockin’ on a Gibson ES335 guitar during the Under the Sea dance. This might not seem like a big deal, but guitar lovers around the world cringed knowing that this particular model was released in 1958, a full three years after the dance was supposed to take place.
We wish this was all this classic film had wrong about the past, but unfortunately, the opposite is true. While Marty is at a dinner with his young mom, an episode of Honeymooner’s is playing on TV. That episode, which Marty calls a classic in the film, aired on December 31, 1955. Their dinner took place on November 5, 1955.