Dancing With The Stars - Team “Who You Gonna Call?” Dancing With The Stars Season 21 Week 7 October 26, 2015 Song: “Theme from Ghostbusters” by Ray Parker Jr. Score: 28 (9,10,9) Bindi Irwin & Derek Hough, Alexa PenaVega & Mark Ballas, Carlos PenaVega & Witney Carson, Alek Skarlatos & Lindsay Arnold