After the brutal dismissal of one dancer, Abby brings in a new dancer with an eccentric mom and gives her a challenging trio with the two minis. Abby encourages Brynn to lead Kalani and Kendall in their trio. The moms are fearful of ruining the ALDC’s winning streak when Abby assigns the first hip-hop routine since the elites walked out. Will they be able to bring home another win?