🧠 Back to the Future Quiz

Doc Brown's DeLorean has to hit 88 mph before the flux capacitor sends it through time.

Hill Valley's courthouse clock tower, struck by lightning, is the key to getting Marty home.

Doc Brown says the idea for the flux capacitor came to him after he slipped and hit his head on a sink while hanging a clock.

Marty arrives in 1955 on the day of his parents' fateful meeting, and has to make sure they fall in love so he can exist.

Robert Zemeckis co-wrote Back to the Future with Bob Gale and went on to direct Forrest Gump and Cast Away.

Clara Clayton is the teacher Doc saves from plunging into a ravine, which is later renamed Eastwood Ravine.

Huey Lewis and the News wrote The Power of Love for the film, and the band's frontman even makes a cameo as a judge rejecting Marty's audition.

Marty accidentally flattens one of the two pine trees in 1955, which is why it is called Lone Pine Mall when he returns.

Crispin Glover's absence led to Jeffrey Weissman playing George in the sequels, with footage and prosthetics used to match the original look.

Inspired by the documentary The Atomic Cafe, an early draft had the drained time machine powered by a nuclear explosion combined with Coca-Cola.