'Great Scott!' 'Back to the Future' Cast Reunites | TODAY

On the very day to which Marty McFly and Doc Brown time-traveled in 1989’s “Back to the Future 2,” three stars of the iconic film trilogy reunite on TODAY: Michael J. Fox, Christopher Lloyd and Lea Thompson. “It was an amazing experience,” Fox recalls, and Lloyd says he and Fox “had a chemistry from the instant he walked on set.”