TV Dancing with the Stars - Season 12 Episode 17 : Week 9 - Performances Dancing with the Stars - Season 12 Episode 17 : Week 9 - Performances 6.1/10 by 119 users In the semi-finals Chelsea, Kirstie, Ralph, Hines and their pro partners, will dance one unlearned ballroom and one unlearned latin dance to finally participate in the Cha Cha Cha Marathon, where the winner takes all the points. Details Casts Posters Images Title Dancing with the Stars - Season 12 Episode 17 : Week 9 - Performances Alternative Titles 星随舞动, Dancing with the Stars (2005), Dancing with the Stars (US) First Air Date 2005-06-01 Last Air Date 2025-10-07 Number of Episodes 510 Number of Seasons 34 Genres Family, Reality, Networks ABC, Disney+, Casts Alfonso Ribeiro, Julianne Hough, Derek Hough, Carrie Ann Inaba, Bruno Tonioli Plot Keywords , Self - Host Alfonso Ribeiro Self - Host Julianne Hough Self - Judge Derek Hough Self - Judge Carrie Ann Inaba Self - Judge Bruno Tonioli Episodes List Dancing with the Stars Season 12 :Episode 1 Week 1 - Season Premiere Week 1 - Season Premiere 2011-03-21 The competition sees celebrities perform choreographed dance routines which are judged by a panel of renowned ballroom experts and voted on by... Dancing with the Stars Season 12 :Episode 2 Week 2 - Performances Week 2 - Performances 2011-03-28 The competition sees celebrities perform choreographed dance routines which are judged by a panel of renowned ballroom experts and voted on by... Dancing with the Stars Season 12 :Episode 3 The Story So Far The Story So Far 2011-03-29 The competition sees celebrities perform choreographed dance routines which are judged by a panel of renowned ballroom experts and voted on by... Dancing with the Stars Season 12 :Episode 4 Week 2 - Eliminations Week 2 - Eliminations 2011-03-29 The competition sees celebrities perform choreographed dance routines which are judged by a panel of renowned ballroom experts and voted on by... Dancing with the Stars Season 12 :Episode 5 Week 3 - Performances Week 3 - Performances 2011-04-04 The competition sees celebrities perform choreographed dance routines which are judged by a panel of renowned ballroom experts and voted on by... Dancing with the Stars Season 12 :Episode 6 Week 3 - Eliminations Week 3 - Eliminations 2011-04-05 The competition sees celebrities perform choreographed dance routines which are judged by a panel of renowned ballroom experts and voted on by... Dancing with the Stars Season 12 :Episode 7 Week 4 - Performances Week 4 - Performances 2011-04-11 The competition sees celebrities perform choreographed dance routines which are judged by a panel of renowned ballroom experts and voted on by... Dancing with the Stars Season 12 :Episode 8 Week 4 - Eliminations Week 4 - Eliminations 2011-04-12 The competition sees celebrities perform choreographed dance routines which are judged by a panel of renowned ballroom experts and voted on by... Dancing with the Stars Season 12 :Episode 9 Week 5 - Performances Week 5 - Performances 2011-04-18 The competition sees celebrities perform choreographed dance routines which are judged by a panel of renowned ballroom experts and voted on by... Dancing with the Stars Season 12 :Episode 10 Week 5 - Eliminations Week 5 - Eliminations 2011-04-19 The competition sees celebrities perform choreographed dance routines which are judged by a panel of renowned ballroom experts and voted on by... Dancing with the Stars Season 12 :Episode 11 Week 6 - Performances Week 6 - Performances 2011-04-25 The competition sees celebrities perform choreographed dance routines which are judged by a panel of renowned ballroom experts and voted on by... Dancing with the Stars Season 12 :Episode 12 Week 6 - Eliminations Week 6 - Eliminations 2011-04-26 The competition sees celebrities perform choreographed dance routines which are judged by a panel of renowned ballroom experts and voted on by... Dancing with the Stars Season 12 :Episode 13 Week 7 - Performances Week 7 - Performances 2011-05-02 The competition sees celebrities perform choreographed dance routines which are judged by a panel of renowned ballroom experts and voted on by... Dancing with the Stars Season 12 :Episode 14 Week 7 - Eliminations Week 7 - Eliminations 2011-05-03 The competition sees celebrities perform choreographed dance routines which are judged by a panel of renowned ballroom experts and voted on by... Dancing with the Stars Season 12 :Episode 15 Week 8 - Performances Week 8 - Performances 2011-05-09 The competition sees celebrities perform choreographed dance routines which are judged by a panel of renowned ballroom experts and voted on by... Dancing with the Stars Season 12 :Episode 16 Week 8 - Eliminations Week 8 - Eliminations 2011-05-10 The competition sees celebrities perform choreographed dance routines which are judged by a panel of renowned ballroom experts and voted on by... Dancing with the Stars Season 12 :Episode 17 Week 9 - Performances Week 9 - Performances 2011-05-16 The competition sees celebrities perform choreographed dance routines which are judged by a panel of renowned ballroom experts and voted on by... Dancing with the Stars Season 12 :Episode 18 Week 9 - Eliminations Week 9 - Eliminations 2011-05-17 The competition sees celebrities perform choreographed dance routines which are judged by a panel of renowned ballroom experts and voted on by... Dancing with the Stars Season 12 :Episode 19 Week 10 - Final 3 Week 10 - Final 3 2011-05-23 The competition sees celebrities perform choreographed dance routines which are judged by a panel of renowned ballroom experts and voted on by... Dancing with the Stars Season 12 :Episode 20 Week 10 - Season Finale Week 10 - Season Finale 2011-05-24 The competition sees celebrities perform choreographed dance routines which are judged by a panel of renowned ballroom experts and voted on by...