Season 3, Episode 5 - Season 3: Episode 5 (Revenge of the Replacements). Original air date: 1/29/13. Melissa tries desperately to get Maddie back in favor with Abby. Meanwhile, Mackenzie struggles with her new "big girl" role. Also, this week, the ALDC dancers go up against the very same girls who replaced them during the moms' silent protest. Check out "Dance Moms" photos and extras!