Christi and Chloe return to the studio; Melissa tries to take advantage of the situation when Christi and Kelly bicker; Nia is determined to perform a duet that was previously pulled by Abby.
In another very special two-hour episode of Dance Moms , Abby once again uses social causes to choreograph a number. Unlike last week's confusing "Don't Ask, Just Tell," though, "Rosa Parks" actually works. It's a great week to come up with a winning rout more