Mastermind, deciding to take advantage of Master Yo's temporary absence, has gathered together Zarnot, Fastidious, and Pondscüm to pilot a machine combination of all their robot suits and parts in order to destroy the town's electricity instead of Yin and Yang. To counter this, Yin and Yang must learn how to take turns being the leader, and organize an army so that they can let others help them out in the fight against evil as well.