Movies & TV

Back to the Future Quiz

Roads? Where we're going, we don't need roads. The ultimate time-travel trilogy.

Back to the Future Quiz: Test Your Time-Travel Trivia

Before Michael J. Fox became Marty McFly, Eric Stoltz spent five weeks filming the role before being replaced — a decision that reshaped one of the most beloved trilogies in cinema history. From the DeLorean hitting 88 mph to the clock tower strike at 10:04 PM, this quiz spans all three films and the real-world stories behind them.

How It Works

Each round presents 10 randomized questions from a pool of 50, with four multiple-choice options and instant feedback after every answer. Your final score comes with a performance tier and shareable results.

What You'll Learn

You'll explore the making of the original 1985 film, the casting shake-up with Eric Stoltz, Part II's eerily accurate predictions about 2015, the Old West adventure of Part III, the science behind the flux capacitor, and the real-world legacy of the DeLorean DMC-12.

Frequently Asked Questions

What predictions did Back to the Future Part II get right about 2015?

The film correctly predicted flat-screen TVs mounted on walls, video calling, biometric identification, wearable technology, and drones. It missed on flying cars and true hoverboards, though Nike did release self-lacing shoes (the Nike Mag) in 2016.

Why was Eric Stoltz replaced as Marty McFly?

Eric Stoltz was cast first and filmed for five weeks, but director Robert Zemeckis and producer Steven Spielberg felt his dramatic acting style didn't match the comedic tone they envisioned. Michael J. Fox, their original choice, became available by filming Family Ties during the day and Back to the Future at night.

How fast does the DeLorean need to go to travel through time?

The DeLorean time machine must reach exactly 88 miles per hour to activate the flux capacitor and travel through time. It also requires 1.21 gigawatts of electrical power, originally supplied by plutonium and later by a lightning bolt.

Last updated: April 2026