Cocoa's convinced someone is sabotaging her dance class. She demands Malcolm and Dandy find out who it is - or else! After getting kicked out of rehearsal, the boys meet the ghost of an old teacher who hates the new music and moves, and especially the noisy boys. Can the Ghost Detectors zap her before the dance recital is canceled? Aligned to Common Core standards and correlated to state standards. Calico is an imprint of Magic Wagon, a division of ABDO.