'Michael J. Fox Show': See the 'Back to the Future' Reunion (Exclusive Photos)

Christopher Lloyd will go toe-to-toe with Michael J. Fox on a spring 2014 episode of NBC's freshman comedy. Great Scott! NBC's The Michael J. Fox Show is going Back to the Future in the spring when guest star Christopher Lloyd will reunite with the former Marty McFly -- and The Hollywood Reporter has the exclusive first look. PHOTOS: Faces of Fall TV 2013 Lloyd, who played bumbling genius Dr. Emmett Brown in the three Universal features, will guest-star as the eccentric principal at the high sch...