Part 1 of this week's DWTS double header, it's soul train night in the ballroom! The vibes were vibing! Between guest judge Rosie Perez and Poppin’ Pete, boogie fever was in full swing! Katie and Madeline break down the great, the lack luster, and the straight up DISRESPECT! Put on your boogie shoes and get ready to unpack part 1 of this week’s back to back episodes!