Season 2, Episode 9 - Season 2: Episode 9 (Your Worst Nightmare). Air Date: 10/29/13. With this week's theme of "Nightmares," the dancers tackle all kinds of things that go bump in the night... while their moms have trouble keeping their inner monsters in check. The claws come out when one mom tries to sabotage another with dance assignments. And then, the worst nightmare of all, teen angst hits some of the dancers and they turn on their mothers. Check out "Abby's Ultimate Dance Competition" photos and extras!