The 21st-season opener begins with 13 celebrities, including Gary Busey, Paula Deen, Nick Carter, Chaka Khan, Bindi Irwin and Victor Espinoza. Among the dances featured: the cha-cha, fox-trot, salsa, quickstep and jive.
An elimination occurs after the eighth week of performances, which feature the stars honoring influential figures in their lives. Also: one couple receive immunity, and the other six compete in a dance-off.
An elimination occurs after the ninth week of performances, featuring dances the stars have not yet performed. Later, the couples pair up for team dances inspired by live productions such as Broadway's "Chicago," with each dance showcasing two couples.
The finalists compete during the 11th week of performances, which feature two rounds of dances, including a freestyle round with special effects. Also: performances by Meghan Trainor, Who Is Fancy and Ariana Grande.
A winner is announced in the 21st-season finale, which features the three finalists competing in a fusion-dance challenge. Also: performances by Alexander Jean; Andy Grammer; Chaka Khan; Elle King; and Nick Carter.