The 20th-season opener begins with 12 celebrities, including Patti LaBelle, Redfoo, Michael Sam, Suzanne Somers, Robert Herjavec and Rumer Willis. During Week 1, the contestants perform the cha-cha, fox-trot and jive.
A celebration of the show and its 20 seasons of dance competition features new performances and fan-favorite moments from the past. Included: Former contestants and returning pros take the floor. Also: an opening number with more than 45 stars.
A double elimination occurs in the eighth-round results show. Also: Josh Groban and Carly Rae Jepsen perform; Maddie Ziegler is featured in a dance; and Kenny Mayne, Jerry Rice and Len Goodman host Dance Center.
A winner is announced in the 20th-season finale. Included: The finalists perform fusion dances. Also: performances by Patti LaBelle, Sia, and Jason Derulo; and return appearances by celebrities from the current and past seasons.