Couples performed one unlearned dance to Halloween themes and songs; the couple with the highest score earned an immunity from elimination, while the rest of the couples participated in dance-offs for extra points. After injuring her knee in week 7, Sharna Burgess was unable to perform with James Hinchcliffe; Jenna Johnson danced in her place. Judges are: Carrie Ann Inaba, Julianne Hough, Bruno Tonioli.
