TV Dancing with the Stars - Season 18 Episode 4 : Week 4: Switch Up Night Dancing with the Stars - Season 18 Episode 4 : Week 4: Switch Up Night 6.1/10 by 119 users Julianne Hough returns to the show as a guest judge once again. In a change of pace the entire cast opens the show with a wild group dance. Then the contestants switch partners for the competition based on the home audience's Twitter votes. Scores are combined with last week's for next week's elimination. In a special surprise Derek shows off his first choreographed routine for the Macy's Stars of Dance. Details Casts Posters Images Title Dancing with the Stars - Season 18 Episode 4 : Week 4: Switch Up Night 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 18 :Episode 1 Week 1: Premiere Week 1: Premiere 2014-03-17 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 18 :Episode 2 Week 2: Star-Chosen Dances Week 2: Star-Chosen Dances 2014-03-24 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 18 :Episode 3 Week 3: Most Memorable Year Week 3: Most Memorable Year 2014-03-31 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 18 :Episode 4 Week 4: Switch Up Night Week 4: Switch Up Night 2014-04-07 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 18 :Episode 5 Week 5: Disney Night Week 5: Disney Night 2014-04-14 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 18 :Episode 6 Week 6: Party Anthems Night Week 6: Party Anthems Night 2014-04-21 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 18 :Episode 7 Week 7: Latin Night Week 7: Latin Night 2014-04-28 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 18 :Episode 8 Week 8: Celebrity Dance Duels Week 8: Celebrity Dance Duels 2014-05-05 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 18 :Episode 9 Week 9: American Icons Week 9: American Icons 2014-05-12 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 18 :Episode 10 Week 10: The Finals - Part 1 Week 10: The Finals - Part 1 2014-05-19 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 18 :Episode 11 Road to the Finals Road to the Finals 2014-05-20 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 18 :Episode 12 Week 10: The Finals - Part 2 Week 10: The Finals - Part 2 2014-05-20 The competition sees celebrities perform choreographed dance routines which are judged by a panel of renowned ballroom experts and voted on by...