The Switch Up Show
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.
Julianne Hough returns to the show as a guest judge as the contestants face their toughest challenge yet. In a series-first, they switch partners for the competition based on the home audience's Twitter votes. The episode also saw the return of the Macy's Stars of Dance, choreographed by Derek Hough.