This week, enemies become allies as the Dancing Dolls team up with notorious hometown rivals, the Purple Diamonds, to take on Memphis in a city vs. city competition. Coach D has choreographed an ambitious creative dance with a powerful message -- but the dolls struggle to master the passion behind the routine. Meanwhile Sunjai gives Camryn a tour of her college campus. When the Prancing Tigerettes and Infamous Dancerettes go head-to-head with Coach D and the Purple Diamonds, the competition takes an unexpected turn.