- Alfonso Ribeiro (Self - Host)
- Julianne Hough (Self - Host)
- Derek Hough (Self - Judge)
- Carrie Ann Inaba (Self - Judge)
- Bruno Tonioli (Self - Judge)
Dancing with the Stars — S20E4
Episode: Week 4: Most Memorable Year
Air Date: 2015-04-06
Overview
Each couple performed to a song of the celebrities choosing that encompasses an unforgettable time, or truly incredible experience in their life.