- Alfonso Ribeiro (Self - Host)
- Julianne Hough (Self - Host)
- Derek Hough (Self - Judge)
- Carrie Ann Inaba (Self - Judge)
- Bruno Tonioli (Self - Judge)
Episode: Week 1 Spring 2017
Air Date: 2017-03-20
A new, dynamic cast of celebrities are ready to hit the ballroom floor. The competition begins with the two-hour live season premiere (which is also the show's 400th episode!). Each couple will perform a tango, cha cha, salsa, Viennese waltz, and quickstep, vying for America's vote for the first time.