Brave Beats S01 E16 The Dancing Lady Ninja! Mom's Secret?!

Hibiki's mother, Fuuka, knows everything about her son, to the point where Breakin and Adeline decide she must be a ninja! Then, when Hibiki's class takes a field trip to a ninja castle, Fuuka is possessed by a Dance Stone. It will take Flash Beat everything he has to restore his mother to her old self!