Robin Roberts joins the judges panel for this week's competition as couples perform dances inspired by the stars most memorable years. Injuries claim their first victim as Billy Dee Williams is unable to perform and is disqualified.
Julianne Hough returns to the show as a guest judge once again. In a change of pace the entire cast opens the show with a wild group dance. Then the contestants switch partners for the competition based on the home audience's Twitter votes. Scores are combined with last week's for next week's elimination. In a special surprise Derek shows off his first choreographed routine for the Macy's Stars of Dance.