Great Scott! 'Back to the Future' Day hits 88 mph By: CNBC.com News October 21, 2015 at 14:33 PM EDT Oct. 21, 2015, is the date that Marty McFly and Doc Brown arrived in the future in the second installment of the franchise, "Back to the Future II." Read More >> Related Stocks: Ford Motor Nike Inc PepsiCo Toyota Motor Corp Ltd Ord ADR