- Alfonso Ribeiro (Self - Host)
- Julianne Hough (Self - Host)
- Derek Hough (Self - Judge)
- Carrie Ann Inaba (Self - Judge)
- Bruno Tonioli (Self - Judge)
Episode: Athletes Week 3: The Semifinals
Air Date: 2018-05-14
The six remaining athletes ready themselves for another double-header in the semi-final round, where each couple performs a foxtrot, Viennese waltz, quickstep, rumba or contemporary routine, followed by a Ballroom Battle dance-off with three toe-to-toe performances.