Last time, "Dance Moms'" executive producer Jeff Collins sat down with Abby Lee Miller and the moms to rehash season 3. This week's dramatic conclusion finds new Dance Mom Kristie Ray quick to defend Abby and former Dance Mom Jackie and her daughter Sophia managed to rub Melissa the wrong way. The final showdown is between Abby and Cathy...Abby has not gotten over Cathy hitting her with her purse.