Preview Clip of Dance Moms Season 2, Episode 2: Cathy's Back! Tweet January 17, 2012 by Wetpaint Entertainment Staff Related: So You Think You Can Dance, Dance Moms Credit: Lifetime Air Date: January 17, 2012. Cathy's back, and more determined than ever to beat Abby. Will she resort to cheating on Dance Moms Season 2, Episode 2?